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

Human score    Trustpilot Stars    number of reviews    Trustpilot Logo

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 37-48 of 111 products
Dominator Pressure Treated Garden Office - Dwarf
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Dwarf
W4.5m x D2.5m / W14' x D8'
From £12,699.99
£8,254.99 with code AUGUST35
Dominator Pressure Treated Garden Office - Dwarf
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Dwarf
W4.5m x D3.5m / W15' x D10'
From £14,724.99
£9,571.24 with code AUGUST35
Dominator Pressure Treated Garden Office - Dwarf
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Dwarf
W5.5m x D2.5m / W18' x D8'
From £14,754.99
£9,590.74 with code AUGUST35
Dominator Pressure Treated Garden Office - Dwarf
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Dwarf
W7.5m x D3.5m / W24' x D10'
From £20,844.99
£13,549.24 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W3.5m x D2.5m / W11' x D8'
From £10,789.99
£7,013.49 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W5.5m x D3.5m / W18' x D10'
From £16,864.99
£10,962.24 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W4.5m x D2.5m / W14' x D8'
From £12,574.99
£8,173.74 with code AUGUST35
Dominator Composite Pent Garden Office – Solid
AUGUST-35-PERCENT-summer-banner-sash
Dominator Composite Pent Garden Office – Solid
W2.5m x D2.5m / W8' x D8'
From £7,295.96
£4,742.37 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W4.5m x D3.5m / W15' x D10'
From £14,599.99
£9,489.99 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W5.5m x D2.5m / W18' x D8'
From £14,629.99
£9,509.49 with code AUGUST35
Dominator Pressure Treated Garden Office - Glazed
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Glazed
W7.5m x D3.5m / W24' x D10'
From £20,719.99
£13,467.99 with code AUGUST35
Dominator Pressure Treated Garden Office - Solid
AUGUST-35-PERCENT-summer-banner-sash
Dominator Pressure Treated Garden Office – Solid
W3.5m x D2.5m / W11' x D8'
From £10,474.99
£6,808.74 with code AUGUST35
Loading…
Showing 37-48 of 111 products
Only 25% Deposit is needed for online orders at Dunster House

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

Human score    Trustpilot Stars    number of reviews    Trustpilot Logo

Insulated Garden Rooms
Responsibly Sourced Timber
30+ Years Experience
10 Year Guarantee*
Free Delivery on Most Orders
UK Based Company