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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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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 73-84 of 160 products
Dominator Classic Garden Office Reverse Pent
Insulated
Dominator Classic Garden Office Reverse Pent
W3.5m x D4.5m / W11'6" x D15'
From £10,338.93
£6,720.30 with code sept35
Dominator Composite Pent Garden Office – Solid
Dominator Composite Pent Garden Office – Solid
W4.5m x D3.5m / W15' x D11'6"
From £13,118.92
£8,527.30 with code sept35
Dominator Classic Garden Office
Insulated
Dominator Classic Garden Office
W3.5m x D3.5m / W11'6" x D11'6"

1 review

From £8,620.95
£5,603.62 with code sept35
Dominator Classic Garden Office
Insulated
Dominator Classic Garden Office
W2.5m x D2.5m / W8' x D8'
From £5,381.96
£3,498.27 with code sept35
Dominator Classic Garden Office
Insulated
Dominator Classic Garden Office
W3.5m x D2.5m / W11'6" x D8'
From £6,820.95
£4,433.62 with code sept35
Dominator Classic Garden Office Reverse Pent
Insulated
Dominator Classic Garden Office Reverse Pent
W3.5m x D3.5m / W11'6" x D11'6"
From £8,620.95
£5,603.62 with code sept35
Dominator Classic Garden Office Reverse Pent
Insulated
Dominator Classic Garden Office Reverse Pent
W2.5m x D2.5m / W8' x D8'
From £5,381.96
£3,498.27 with code sept35
Dominator Classic Garden Office Reverse Pent
Insulated
Dominator Classic Garden Office Reverse Pent
W2.5m x D3.5m / W8' x D11'6"
From £6,820.95
£4,433.62 with code sept35
EvilAmy with uPVC INSULATED Log Cabin
Insulated
EvilAmy with uPVC INSULATED Log Cabin
W5.5m x D3m / W17' x D11'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £12,324.90
£8,011.18 with code sept35
EvilAmy with uPVC INSULATED Log Cabin
Insulated
EvilAmy with uPVC INSULATED Log Cabin
W6.5m x D3m / W21'6" x D11'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £13,964.89
£9,077.18 with code sept35
EvilGenius with uPVC INSULATED Log Cabin
Insulated
EvilGenius with uPVC INSULATED Log Cabin
W7m x D3m / W23' x D11'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £14,094.89
£9,161.68 with code sept35
EvilGenius with uPVC INSULATED Log Cabin
Insulated
EvilGenius with uPVC INSULATED Log Cabin
W8m x D3m / W27' x D11'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £15,734.88
£10,227.67 with code sept35
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Showing 73-84 of 160 products
Only 25% Deposit is needed for online orders at Dunster House