Insulated Garden Rooms

The innovative way to increase your living space

  • Cost effective extension and conservatory alternative
  • Insulated 140mm walls, 65mm roofing, 40mm floor
  • 28mm double glazed windows and doors
  • Easy build DIY panel system for quicker install
  • Secure, Industry leading 12-point locking system
  • Composite exterior walls. Low maintenance & durable
  • 10 year guarantee on pressure treated bearers

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Insulated Garden Rooms
Responsibly Sourced Timber
30+ Years Experience
10 Year Guarantee*
Free Delivery on Most Orders
UK Based Company

Insulated Garden Rooms

For a quick, easy and cost-effective way to create extra living space, invest in insulated garden rooms. Extra room without the hassles of messy building work or the stress of moving house. Double-glazed and fully insulated with high-quality materials, for a comfortable space all year round. Create a comfortable, year-round garden space with our insulated garden rooms.

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Only 25% Deposit is needed for Dunster House Online Orders

Insulated Garden Rooms

For a quick, easy and cost-effective way to create extra living space, invest in insulated garden rooms. Extra room without the hassles of messy building work or the stress of moving house. Double-glazed and fully insulated with high-quality materials, for a comfortable space all year round. Create a comfortable, year-round garden space with our insulated garden rooms.

Showing 97-106 of 106 products
Dominator Classic Garden Office Reverse Pent
Dominator Classic Garden Office Reverse Pent
W2.5m x D4.5m / W8' x D15'
From £7,474.94
Dominator Classic Garden Office Reverse Pent
Dominator Classic Garden Office Reverse Pent
W3.5m x D4.5m / W11'6" x D15'
From £9,271.93
Dominator Composite Pent Garden Office – Solid
Dominator Composite Pent Garden Office – Solid
W4.5m x D3.5m / W15' x D11'6"
From £12,926.93
Dominator Classic Garden Office
Dominator Classic Garden Office
W3.5m x D3.5m / W11'6" x D11'6"
From £7,767.95
Dominator Classic Garden Office
Dominator Classic Garden Office
W2.5m x D2.5m / W8' x D8'
From £5,035.96
Dominator Classic Garden Office
Dominator Classic Garden Office
W3.5m x D2.5m / W11'6" x D8'
From £6,452.95
Dominator Classic Garden Office Reverse Pent
Dominator Classic Garden Office Reverse Pent
W3.5m x D3.5m / W11'6" x D11'6"
From £7,767.95
Dominator Classic Garden Office Reverse Pent
Dominator Classic Garden Office Reverse Pent
W2.5m x D2.5m / W8' x D8'
From £5,035.96
Dominator Classic Garden Office Reverse Pent
Dominator Classic Garden Office Reverse Pent
W2.5m x D3.5m / W8' x D11'6"
From £6,452.95
Severn with uPVC INSULATED Log Cabin
Severn with uPVC INSULATED Log Cabin
W5m x D3m / W16' x D10'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £11,784.99
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Showing 97-106 of 106 products
Only 25% Deposit is needed for online orders at Dunster House