The Sanctuary
The Sanctuary is a timeless and practical garden room designed to bring calm and focus to any setting. With its clean design and bright interior, it provides the perfect space for work, wellness, or relaxation.
Whether used as a home office, playroom, gym, summer house, or creative studio, the Sanctuary offers everyday comfort and durability in an elegant, versatile design. Each Sanctuary is fully managed and installed by our in-house construction team, providing a complete turnkey service from the first design through to final completion.
Design and Build
The Sanctuary is built using advanced Structural Insulated Panels (SIPs), providing exceptional thermal performance, strength, and longevity. Each structure is engineered for year-round comfort and designed to perform beautifully in any environment.
Our construction includes:
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SIP panels for walls, floor, and roof
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Insulated splines for strong, airtight joins
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C16/24 treated timber for all structural edges and frames
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A breathable membrane for lasting weather protection
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A complete fixing kit and build specifications for precision installation
Key Features
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Fully insulated SIP system for year-round comfort
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Expansive glazing for maximum natural light
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Contemporary flat roof and modern cladding finishes
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Double glazed uPVC doors and windows
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Composite or timber exterior options
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Managed and installed by our in-house construction team
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Ideal for residential, hospitality, or commercial use
Sizes and Pricing
Length (m) | Width (m) | Height (m) | SIP Kit | Ext Flatpack |
|---|---|---|---|---|
2.5 | 2.6 | 2.44 | £2,763.90 | £7,632.24 |
3.8 | 3.2 | 2.44 | £4,199.44 | £10,159.70 |
4.4 | 3.2 | 2.44 | £4,753.67 | £11,027.15 |
5 | 3.2 | 2.44 | £5,238.25 | £11,822.36 |
6.2 | 3.2 | 2.44 | £6,207.41 | £13,412.77 |
All prices are subject to VAT at 20% and confirmed following a site consultation.
Why Choose Us?
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Complete turnkey service from planning to completion
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Managed entirely by our experienced construction team
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Built with sustainable, energy efficient materials
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Designed for both residential and commercial projects
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Crafted for comfort, durability, and lasting value
Organise a quick chat!
At GFM, we keep things simple. Whether you’re planning a full site build or just need help with groundwork or installation, we’re always happy to talk it through and see how we can help.
Just pop some details into the form and we will get back to you as soon as we can.