A 4m x 3.5m garden room in London E3 by Cosy Garden Rooms, built on a site with no side or rear access. Black composite cladding to the front, Hardie® Plank in Light Mist to the sides and rear. Turnkey build; ready to use from day one.
Cosy Garden Rooms is a dedicated team with extensive experience in the garden room industry, specialising in custom designs tailored to each client’s specific needs. From the initial design to the final handover of a fully functional room, they handle every step, including foundation installation and electrical connections, allowing you to watch your new space develop without hassle.
Their bespoke design service ensures that the size, layout, and finishes of your garden gym are exactly as you want them. The design journey starts with a detailed consultation with Mark, an experienced garden room designer, who takes the time to understand your vision, how you intend to use the space, and any special features you want to include.
A 4m x 3.5m garden room in London E3 by Cosy Garden Rooms, built on a site with no side or rear access. Black composite cladding to the front, Hardie® Plank in Light Mist to the sides and rear. Turnkey build; ready to use from day one.
A 4m x 3m artist studio in Higham, Derbyshire, by Cosy Garden Rooms. HardiePlank with ColorPlus finish, anthracite uPVC, deep eaves detail, and glazing tailored for light and views. Signature grooved interior; concrete slab on a narrow-access site.
This bespoke L-shaped garden room by Cosy Garden Rooms combines a fully insulated interior with a covered canopy, creating a flexible, low-maintenance indoor–outdoor space designed for year-round working, relaxing and entertaining, tailored carefully to the clients’ lifestyle and sloping garden.
This 5m x 3m artist studio by Cosy Garden Rooms has been carefully designed to maximise natural light while addressing flood risk through a discreet foundation design. The result is a calm, practical workspace that sits comfortably within its garden setting.
This Nottinghamshire project features two bespoke garden rooms designed around an irregular plot. Thoughtful positioning, cohesive materials and flexible interiors create a functional gym, games room and storage space that feels naturally integrated into the garden.
Zac and Jen chose a bespoke Cosy Garden Room over a traditional extension, creating a multi-functional space for work, exercise, and family life. With taller ceilings, triple-aspect glazing, and striking oak cladding, it’s a stylish, versatile alternative to an extension.
Cosy Garden Rooms designed a tiny wedge-shaped office in a South West London courtyard. With durable cladding, angled walls, and a light, airy interior, this made-to-measure building transforms a tricky plot into a stylish workspace for year-round use.
Cosy Garden Rooms designed a bespoke L-shaped art studio in Rochdale for clients who had recently downsized. The light-filled space features a recessed porch, smart modern finishes, underfloor heating and a project managed service delivering a ready-to-use creative room.
This bespoke garden gym by Cosy Garden Rooms showcases the benefits of a pitched roof and vaulted ceiling, with charred larch cladding, natural interior finishes, and full project management. Built under Permitted Development, it demonstrates what’s possible without planning permission.
This 4m x 3m insulated garden room by Cosy Garden Rooms offers a versatile, low-maintenance space for music, relaxation, and family time. Thoughtfully designed glazing and finishes make it a bright, practical retreat that blends beautifully with the garden.
A multifunctional garden room in Derbyshire combining a light-filled home office, family space, and secure storage room. Designed and built by Cosy Garden Rooms, the low maintenance structure features composite cladding, sliding doors, and a full turnkey installation.
This pitched roof garden office by Cosy Garden Rooms shows how a vaulted ceiling, high-level glazing, and low-maintenance finishes can create a light, airy workspace, built under Permitted Development rules to complement the style of the main house.
This 3.5m x 2.1m garden art studio has transformed an unused corner into a light-filled creative space, with sliding doors, a skylight, Hardie® Plank cladding, and a green roof—showing how even compact buildings can offer valuable extra space.
Cosy Garden Rooms designed a bespoke 5.6m x 1.6m storage room attached to a Nottinghamshire home, adapting to a sloping site with a split-level base. Finished to a high standard, it could evolve into an office or gym.
A Derbyshire couple needed a professional workspace separate from their home. Cosy Garden Rooms designed a bespoke 6m x 3.5m garden office with Redwood cladding, air conditioning, and modern finishes. The fully insulated space enhances productivity and work-life balance year-round.
Cosy Garden Rooms now offers eco-friendly green roofs for their bespoke outdoor spaces. Featuring durable, low-maintenance sedum plants, these living roofs provide enhanced insulation, promote biodiversity, and seamlessly blend with the garden landscape—requiring no structural adjustments to existing designs.
Cosy Garden Rooms offers concrete slab foundations as a standard for their garden rooms, providing unmatched stability and durability. These professionally installed slabs protect against moisture and pests, adapt to sloping ground, and support the entire building footprint, ensuring long-lasting reliability.
Cosy Garden Rooms crafted an L-shaped outdoor entertainment room in Kings Lynn, featuring an insulated garden room and two covered seating areas linked by composite decking. Built in five days, the project combines durability, low maintenance, and modern design for year-round use.
Cosy Garden Rooms designed a versatile 5m x 4m garden playroom in Greater Manchester, ideal for family needs. Finished with durable Hardie Plank cladding and easy-clean interiors, the space connects with the garden and offers room for play, toy storage, and even a small sauna, adapting as the family grows.
Cosy Garden Rooms offers an efficient alternative to traditional house extensions, providing insulated garden rooms that are quickly assembled and cost-effective. In Derbyshire, recent clients opted for a 5.5m x 3m garden room with extensive glazing, gaining a year-round sitting space with minimal disruption and substantial cost savings over an extension.
Cosy Garden Rooms recently crafted a 5m x 3.5m multipurpose garden room, designed as an office, sitting room, and occasional bedroom with a bathroom for guest convenience. Built in four days, this flexible, insulated space enhances family life, providing accessible, self-contained accommodation.
Cosy Garden Rooms crafted a 3m tall, 7m x 4m insulated garden photography studio in East Sussex for Roberts Twins Photography. Featuring bespoke design, durable Boothbay Blue cladding, and air conditioning, this stylish space supports professional photography year-round with optimal lighting and comfort.
Cosy Garden Rooms designed an L-shaped office and gym with a covered seating area, transforming an underused garden corner. The 7m x 3m insulated space features floor-to-ceiling glazing, Monterey Taupe Hardie Plank cladding, and a 4m x 4m sheltered seating area, integrating seamlessly with the garden for year-round use.
Cosy Garden Rooms, based in the Midlands, specialises in fully customised, insulated outdoor rooms across the UK. Each project is crafted from scratch, with services covering everything from foundation to final decor. Enhanced insulation, OSB reinforcement, and bespoke designs ensure year-round comfort.