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 1-12 of 106 products
Addroom® Vision1 Conservatory Alternative - Left
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Left
W4m x D3m / W13' x D10'
From £9,179.99
Addroom® Vision1 Conservatory Alternative - Left
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Left
W5m x D3m / W17' x D10'
From £10,479.99
Addroom® Vision1 Conservatory Alternative - Left
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Left
W3m x D3m / W10' x D10'
From £7,894.99
Addroom® Vision1 Conservatory Alternative - Right
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Right
W5m x D3m / W17' x D10'
From £10,479.99
Addroom® Vision1 Conservatory Alternative - Right
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Right
W3m x D3m / W10' x D10'
From £7,894.99
Addroom® Vision1 Conservatory Alternative - Right
Garden building spring sale
Addroom® Vision1 Conservatory Alternative – Right
W4m x D3m / W13' x D10'
From £9,179.99
Addroom® Vision2 Conservatory Alternative
Garden building spring sale
Addroom® Vision2 Conservatory Alternative
W5m x D3m / W17' x D10'
From £10,349.99
Addroom® Vision2 Conservatory Alternative
Garden building spring sale
Addroom® Vision2 Conservatory Alternative
W3m x D3m / W10' x D10'
From £7,764.99
Addroom® Vision2 Conservatory Alternative
Garden building spring sale
Addroom® Vision2 Conservatory Alternative
W4m x D3m / W13' x D10'
From £9,049.99
Dominator Classic Garden Office
Dominator Classic Garden Office
W5.5m x D3.5m / W18' x D12'
From £11,425.91
Dominator Composite Pent Garden Office - Solid
Dominator Composite Pent Garden Office – Solid
W5.5m x D3.5m / W17' x D11'
From £14,955.91
Dominator Classic Garden Office
Dominator Classic Garden Office
W3.5m x D5.5m / W12' x D18'
From £11,425.91
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Showing 1-12 of 106 products
Only 25% Deposit is needed for online orders at Dunster House