Garden Rooms

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

- SIP (Structural Insulated Panel) construction with insulated walls, roof and floor
- 15mm external timber interlocking cladding 
- 28mm interior paintable MDF panels with cavity for electrical wiring (not included)
- 1.2mm EPDM rubber roof
- Double glazed safety glass windows & door
- Level base required

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Basebox Plus by Green Retreats, is a versatile garden room designed to provide luxurious outdoor spaces. The garden room is fully insulated for year-round use, making for a functional outdoor space that’s also a stylish addition to your home.

- Stylish features included with the Basebox Plus design are upgraded cladding, practical graphite decking and a stylish ladder style side screen in graphite aluminium.

- Elegant uPVC French or sliding doors tailored to your preference

- Exterior cladding is a maintenance-free uPVC vinyl woodgrain effect that is completely UV stable to ensure a long-term colour preservation without any need to treat

-Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing

- Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

 Basebox by Green Retreats is a simple and stylish garden room from the UK’s leading garden room company.

The Basebox design creates a flexible outdoor space, perfect for use as a garden office, home gym, games room or garden studio! 

It’s fully insulated, ensuring it remains functional throughout the seasons. 

Professional installation is included, and planning permission is rarely required, making the Basebox a simple and easy way to create extra space at home!

- 15 different size configurations to choose from.

- Full professional installation is included in the price, complete within 1-2 days.

- Planning permission is generally not required, making your Basebox an easy way to create space at home.

- Popular as garden offices, gyms, games rooms, studios and much more.

- Comprehensive 10-year guarantee.

- Fully insulated with eco-friendly materials throughout, including the walls, roof, floor and premium double-glazing.

- Choose between premium quality high-security uPVC French or sliding doors.

- Interior walls are white soft-sheen melamine, easy to clean and maintenance-free.

- Exterior cladding is an eco-friendly, low-maintenance composite that needs to be painted with your choice of colour within the first six months.

- Designed and built in the UK.

- Level ground and base/foundations required (base/foundations available as an optional extra)

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

-    Full garden room building kit

-    Simple & easy-to-follow installation (requiring 2-3 people)

-    All non-standard tools, equipment and parts included

-    Premium uPVC French doors and opening window included

-    10-year guarantee

-    Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

-    Full garden room building kit

-    Simple & easy-to-follow installation (requiring 2-3 people)

-    All non-standard tools, equipment and parts included

-    Premium uPVC French doors and opening window included

-    10-year guarantee

-    Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

-    Full garden room building kit

-    Simple & easy-to-follow installation (requiring 2-3 people)

-    All non-standard tools, equipment and parts included

-    Premium uPVC French doors and opening window included

-    10-year guarantee

-    Planning permission rarely required *Subject to your local authority.

The price includes free delivery in Band 1. Extra charges apply outside of this area. Please refer to the map under Delivery & Returns for more information.

To enquire about this item, please email costco@greenretreats.co.uk or call 01296 328260.

Costco’s customer satisfaction guarantee and returns policy does not apply to special order merchandise, custom merchandise and installed merchandise. However your legal rights are unaffected. For further details, please see Delivery & Returns

- Spacious 17m² garden room greenhouse with 2.8m high ceiling

- 10mm multi-wall roof panels protect from strong sunlight exposure and extend your season by protecting plants from autumn frosts

- Crystal clear acrylic glass-look wall panels provide over 90% light transmission

- Withstands winds up to 120 km/h and 80 kg/m² of snow

- Includes two large, automated roof vents that work without the need for power

- Built in the UK using FSC certified UK timber

- Easy to assemble, modular design

- Durable and watertight construction

- Pressure treated and backed by an unbeatable 25-year anti-rot guarantee

- Bi-fold shutters and wooden bar top

- Optional wooden base available to purchase separately

- Decorative accessories not included

- Stools not included