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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 13-24 of 160 products
Dominator Composite Garden Office - Solid
Dominator Composite Garden Office – Solid
W3.5m x D2.5m / W11' x D8'
From £9,636.95
£6,264.02 with code sept35
Dominator Composite Garden Office - Solid
Dominator Composite Garden Office – Solid
W2.5m x D3.5m / W8' x D11'
From £9,636.95
£6,264.02 with code sept35
Dominator Composite Garden Office - Solid
Dominator Composite Garden Office – Solid
W4.5m x D2.5m / W15' x D8'
From £11,515.94
£7,485.36 with code sept35
Dominator Composite Pent Garden Office - Solid
Dominator Composite Pent Garden Office – Solid
W5.5m x D2.5m / W18' x D8'
From £12,628.92
£8,208.80 with code sept35
Dominator Composite Garden Office - Solid
Dominator Composite Garden Office – Solid
W2.5m x D4.5m / W8' x D15'
From £11,515.94
£7,485.36 with code sept35
Dominator Composite Garden Office – Dwarf
Dominator Composite Garden Office – Dwarf
W2.5m x D2.5m / W8' x D8'
From £8,477.96
£5,510.67 with code sept35
Dominator Composite Garden Office – Dwarf
Dominator Composite Garden Office – Dwarf
W2.5m x D2.5m / W8' x D8'
From £8,477.96
£5,510.67 with code sept35
Dominator Composite Garden Office – Glazed
Dominator Composite Garden Office – Glazed
W2.5m x D2.5m / W8' x D8'
From £8,222.97
£5,344.93 with code sept35
Dominator Composite Garden Office – Glazed
Dominator Composite Garden Office – Glazed
W2.5m x D2.5m / W8' x D8'
From £8,222.97
£5,344.93 with code sept35
Dominator Composite Garden Office – Solid
Dominator Composite Garden Office – Solid
W2.5m x D2.5m / W8' x D8'
From £7,942.96
£5,162.92 with code sept35
Dominator Composite Garden Office – Solid
Dominator Composite Garden Office – Solid
W2.5m x D2.5m / W8' x D8'
From £7,942.96
£5,162.92 with code sept35
Addroom® Conservatory Alternative with Skylights
Skylights
Addroom® Conservatory Alternative with Skylights
W4m x D2.5m / W13' x D8'
From £10,269.95
£6,675.47 with code sept35
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Showing 13-24 of 160 products
Only 25% Deposit is needed for online orders at Dunster House