Green Retreats’ B-Range is five affordable insulated garden room styles available in more than thirty-six sizes. Choose an insulated building, then add electrics, lighting, flooring, and interior finish packs as you need. A self-build B1 Kit option is also available.
Green Retreats
Green Retreats is one of the leading names in garden room design, with a well-established history of producing high-quality buildings in their Buckinghamshire factory. Their experienced in-house installation team works across the UK, ensuring a seamless experience from production to installation. Green Retreats offers seven ranges, from the cost-effective Basebox to the luxurious X1, with a wide variety of sizes and customization options available. Each size has a price guide on their website, making budgeting easy. You can personalize your garden room with numerous configuration and feature options. Visit their showrooms in Buckinghamshire or Twickenham, or use their online design configurator to get started.
Their work is endorsed by Kevin McCloud, who appreciates their commitment to quality and thoughtful design.
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Green Roof Option for the Green Retreats G Range
Green Retreats now offer a low-maintenance green roof option on G Range garden rooms up to 3.5m deep. This 5m x 3.5m G2 example features an office, storage room, and gym space, with wrap-around glazing and a contemporary interior finish.
A Range Garden Gym With Vaulted Ceiling by Green Retreats
This A Range garden gym by Green Retreats highlights how a pitched roof design with a vaulted ceiling creates valuable headroom for exercise. Clever glazing, bifold doors, and tailored layout choices combine to form a bright, spacious and highly functional home workout space.
Garden Living Annexes by Green Retreats
Green Retreats has introduced a signature range of garden living annexes designed for relatives of all ages. Choose from The Den, The Nest, or The Hide — each tailored for comfort, style, and year-round living under the Caravan Act or full planning.
Contemporary Pitched Roof Garden Office & Sitting Room
This 7m x 4m A-Range by Green Retreats combines a pitched roof garden office, sitting room, and cloakroom. The vaulted ceiling, dual-aspect glazing, and contemporary finishes create a bright, year-round space that balances work, relaxation, and strong garden connections.
4m x 2.5m Garden Office with Storage
This 4m x 2.5m Green Retreats G3 project shows how a small garden room can be both a light, airy home office and a useful household store. A clever layout makes the most of the compact footprint.
Green Retreats G3 Garden Room – A Crisp, Contemporary Space
Explore the Green Retreats G3 garden room range, featuring contemporary square-edge design, flexible sizes under 2.5m, and easy customisation. This 4.5m x 3.5m project shows how the G3 can be tailored inside and out for year-round comfort.
Garden Sitting Room with Discreet Storage by Green Retreats
This Green Retreats G1 garden room pairs a comfortable sitting space with discreet end storage. Thoughtfully planned with a stylish exterior and welcoming interior, it’s a great example of how modular designs can be tailored around everyday use and garden setting.
3.5m x 2.44m Basebox+ Garden Office
This 3.5m x 2.44m Basebox+ garden room by Green Retreats creates a stylish home office with sliding doors, uPVC woodgrain cladding, and graphite detailing — a cost-effective, low-maintenance solution for anyone wanting a bright, insulated space in the garden.
Green Retreats Introduces the A Range
Green Retreats’ new A Range is a dual-pitch garden room offering architectural interest and increased ceiling height. Ideal for gyms, offices, or entertainment spaces, it features premium finishes, customisable options, and year-round comfort. Available under Permitted Development in most cases.
