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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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Insulated Garden Rooms Insulated Garden Rooms
Responsibly Sourced Timbers Responsibly Sourced Timber
Experienced Garden Buildings Company 30+ Years Experience
10 year pressure treated timber guarantee 10 Year Guarantee*
Free delivery on most orders Free Delivery on Most Orders
UK based Company 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.

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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.

Showing 25-36 of 80 products
Addroom® Garden Room Groove Effect -  Left Centre
Addroom® Garden Room Groove Effect – Left Centre
W5m x D3m / W16'6" x D10'
From £7,109.99 £8,204.99
Save £1,095
Addroom® Garden Room Groove Effect - Centre
Addroom® Garden Room Groove Effect – Centre
W4m x D3m / W13' x D10'

1 review

From £6,404.99 £7,394.99
Save £990
Addroom® Garden Room Groove Effect - Left
Addroom® Garden Room Groove Effect – Left
W4m x D3m / W13' x D10'

1 review

From £6,404.99 £7,394.99
Save £990
Addroom® Garden Room Groove Effect - Left
Addroom® Garden Room Groove Effect – Left
W5m x D3m / W16'6" x D10'

1 review

From £7,109.99 £8,204.99
Save £1,095
Addroom® Garden Room Groove Effect - Left
Addroom® Garden Room Groove Effect – Left
W3m x D3m / W10' x D10'

1 review

From £5,704.99 £6,589.99
Save £885
Addroom® Garden Room Groove Effect - Right
Addroom® Garden Room Groove Effect – Right
W4m x D3m / W13' x D10'

2 reviews

From £6,404.99 £7,394.99
Save £990
Addroom® Garden Room Groove Effect - Right
Addroom® Garden Room Groove Effect – Right
W5m x D3m / W16'6" x D10'
From £7,109.99 £8,204.99
Save £1,095
Addroom® Garden Room Groove Effect - Right
Addroom® Garden Room Groove Effect – Right
W3m x D3m / W10' x D10'

1 review

From £5,704.99 £6,589.99
Save £885
Addroom® Garden Room Groove Effect - Right Centre
Addroom® Garden Room Groove Effect – Right Centre
W5m x D3m / W16'6" x D10'
From £7,109.99 £8,204.99
Save £1,095
Avon with uPVC INSULATED Log Cabin
Avon with uPVC INSULATED Log Cabin
W3m x D3m / W9' x D10'
Insulated 62mm Wall, Equivalent to 140mm U-Value

8 reviews

From £5,759.99
Carsare with uPVC INSULATED Log Cabin
Carsare with uPVC INSULATED Log Cabin
W4m x D3m / W12'6" x D9'
Insulated 62mm Wall, Equivalent to 140mm U-Value

5 reviews

From £6,639.99
Dominator INSULATED Garden Office
Dominator INSULATED Garden Office
W3.5m x D2.5m / W11' x D8'

7 reviews

From £4,124.99 £4,824.99
Save £700
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Showing 25-36 of 80 products
Only 25% Deposit is needed for online orders at Dunster House