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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 85-96 of 184 products
Severn with uPVC INSULATED Log Cabin
Beat Black Friday Sash
Insulated
Severn with uPVC INSULATED Log Cabin
W6m x D5m / W19' x D16'
Insulated 62mm Wall, Equivalent to 140mm U-Value
From £8,964.99
Addroom® Vision2 Conservatory Alternative
Beat Black Friday Sash
Skylights available
Addroom® Vision2 Conservatory Alternative
W3m x D2.5m / W10' x D8'
From £5,689.99
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W5.5m x D2.5m / W17' x D8'
From £4,285.92
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W6.5m x D2.5m / W20'6" x D8'
From £5,211.90
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W7.5m x D2.5m / W24' x D8'
From £6,154.89
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W8.5m x D2.5m / W27' x D8'
From £7,210.87
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W6.5m x D3.5m / W20'6" x D11'
From £6,482.88
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W7.5m x D3.5m / W24' x D11'
From £7,590.87
Dominator Classic Garden Office with Side Canopy
Beat Black Friday Sash
Insulated
Dominator Classic Garden Office with Side Canopy
W8.5m x D3.5m / W27' x D11'
From £8,766.85
Dominator Composite Pent Garden Office - Glazed
Beat Black Friday Sash
Dominator Composite Pent Garden Office – Glazed
W4.5m x D3.5m / W15' x D11'6"
From £6,707.93
Rendered Dominator Gable Office
Beat Black Friday Sash
Rendered Exterior
Rendered Dominator Gable Office
W3.5m x D2.5m / W11'6" x D8'6"
From £6,283.96
Rendered Dominator Gable Office
Beat Black Friday Sash
Rendered Exterior
Rendered Dominator Gable Office
W4.5m x D2.5m / W14' x D8'
From £7,451.95
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Showing 85-96 of 184 products
Only 25% Deposit is needed for online orders at Dunster House