3m x 4m Insulated Garden Room – Purpose (Silver)
£12,995.00
A spacious, fully insulated garden room designed for year-round use. Ideal as a home office, gym or studio, professionally installed at a fixed price with no hidden costs.
Description
The 3m x 4m Insulated Garden Room – Purpose (Silver) is our most requested size, offering the perfect balance between usable space, comfort and long-term value. It’s specifically designed for customers who want a true year-round room, suitable for daily use as a home office, gym, studio or quiet retreat.
Constructed using a pressure-treated structural timber frame, this garden room is fully insulated throughout the walls, floor and roof, helping maintain a comfortable internal temperature in all seasons. This makes it a significant upgrade from standard garden buildings and an excellent alternative to extending the main house.
Externally, the room features tongue-and-groove timber cladding for a clean, modern finish, paired with a durable EPDM rubber roof for long-term weather protection and minimal maintenance. High-quality double-glazed doors and windows allow natural light to flood the space while maintaining strong thermal performance.
Internally, the room is supplied with plasterboarded walls, providing a smooth, modern finish ready for decorating. The insulated timber floor creates a solid base suitable for desks, office chairs, gym equipment or general living use.
Thanks to its size and specification, the 3m x 4m Silver range garden room is widely regarded as offering better resale value, adding usable square footage and appeal to your property without the disruption of a traditional extension.
Professional installation, waste removal and site tidy are all included, giving you a clear fixed price from the outset.
What’s Included
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3m x 4m insulated garden room
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Pressure-treated structural timber frame
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Insulated walls, floor and roof
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Tongue-and-groove external cladding
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EPDM rubber roof system
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Double-glazed doors and window(s)
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Plasterboarded internal walls (ready to decorate)
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Insulated timber floor
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Professional installation
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Waste removal and site tidy
🏡 Ideal Uses
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Home office (most popular)
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Garden gym
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Therapy or treatment room
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Studio or creative workspace
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Quiet retreat or breakout room





