Timber Bros LTD Insulated Garden Room
Year-Round Comfort

Insulated Garden Rooms

Fully insulated garden rooms designed for year-round comfort. Perfect for home offices, gyms, studios, or extra living space whatever the weather.

Premium Specifications

Every Garden Room is built to exceptional standards with full insulation for year-round comfort.

3x2 CLS Framework

Solid 3x2 CLS timber framework providing exceptional structural strength and durability.

Full Insulation

100mm rockwool insulation in walls, floor and ceiling for exceptional thermal performance.

Premium Cladding

Log lap cladding or V groove vertical cladding with optional upgrades to Western Red Cedar.

EPDM Roof

High-performance EPDM rubber roofing with 20+ year lifespan and complete waterproofing.

uPVC Doors & Windows

uPVC French doors or sliding door and windows with double glazing for maximum light and insulation with optional upgrades to Aluminium Bi-Fold doors.

Wood Cladding Interior Finish

Plastered walls ready for decoration, or timber cladding for a natural aesthetic.

Insulated Floor

Insulated floor with the choice of laminate finish.

Full Electrical Package

Consumer unit, sockets, LED downlights and smart electric heater included as standard.

Optional Upgrades

External Power

External power connection can be supplied and fitted.

Plastered & Painted Interior

Upgrade to a fully plastered and painted interior finish for a smooth, modern look.

Our Insulated Garden Rooms Gallery

Browse through our completed insulated garden room projects.

Insulated garden room exterior view
Insulated garden room with modern design
Insulated garden room completed project
Premium insulated garden room
Stylish insulated garden room
Insulated garden room
Insulated garden room
Insulated garden room
Insulated garden room
Insulated garden room
Insulated garden room
Insulated garden room

Sizes & Prices

Choose from our range of Insulated Garden Rooms. All prices include delivery, installation, and full electrical package.

Size (ft) Size (m) Floor Area Price Action
10 × 8 ft 3.0 × 2.4 m 7.2 m² £10,200* Get Quote
10 × 10 ft 3.0 × 3.0 m 9.0 m² £10,470* Get Quote
12 × 6 ft 3.6 × 1.8 m 6.5 m² £9,900* Get Quote
12 × 8 ft 3.6 × 2.4 m 8.6 m² £10,640* Get Quote
12 × 10 ft 3.6 × 3.0 m 10.8 m² £11,300* Get Quote
14 × 6 ft 4.2 × 1.8 m 7.6 m² £10,600* Get Quote
14 × 8 ft 4.2 × 2.4 m 10.1 m² £11,600* Get Quote
14 × 10 ft Popular 4.2 × 3.0 m 12.6 m² £12,250* Get Quote
16 × 8 ft 4.8 × 2.4 m 11.5 m² £12,400* Get Quote
16 × 10 ft 4.8 × 3.0 m 14.4 m² £13,000* Get Quote
18 × 8 ft 5.4 × 2.4 m 13.0 m² £12,700* Get Quote
18 × 10 ft 5.4 × 3.0 m 16.2 m² £13,300* Get Quote
20 × 8 ft 6.0 × 2.4 m 14.4 m² £13,100* Get Quote
20 × 10 ft 6.0 × 3.0 m 18.0 m² £13,450* Get Quote

What's Included

Insulated
Free delivery
Professional installation
Full electrical package
10-year guarantee

Custom sizes and layouts available. Prices may vary based on location, site access, and additional options.

Ready for Year-Round Garden Living?

Get in touch today for a free consultation. We'll help you design the perfect insulated garden room for your lifestyle.