Pressure Treated Insulated Garden Buildings | Project Timber™
FACTORY DIRECT — best price guaranteed, straight from the maker. 20% OFF your whole order — code GET20 applied automatically. FREE DELIVERY on selected postcodes* — on our own vehicles, direct to you. 25-YEAR ANTI-ROT GUARANTEE* — on every pressure-treated building we make.
Lines closed — email us01777 553392

Pressure Treated Insulated Garden Buildings

Create your own comfortable garden retreat, garden office or a hobby room with our insulated garden buildings. Fully insulated garden sheds allow you to enjoy your garden whole year-round. Regardless of the weather seasons, our…

7 products
My Den Insulated Garden Office
20% offCode GET20

My Den Insulated Garden Office

From £4,679 £3,743
4 sizes: from 8ft × 6ft to 10ft × 8ft
Hobbyist Cannes Plus H100 Insulated Summerhouse - Insulated Tongue and Groove
20% offCode GET20

Hobbyist Cannes Plus H100 Insulated Summerhouse - Insulated Tongue and Groove

From £2,899 £2,319
6 sizes: from 8ft × 6ft to 12ft × 8ft
My Den Double Door Insulated Garden Office
20% offCode GET20

My Den Double Door Insulated Garden Office

From £7,199 £5,759
3 sizes: from 12ft × 8ft to 16ft × 8ft
My Den Insulated Garden Pod - Pressure Treated
20% offCode GET20

My Den Insulated Garden Pod - Pressure Treated

From £4,679 £3,743
4 sizes: from 8ft × 6ft to 10ft × 8ft
My Den Insulated Composite Garden Office
20% offCode GET20

My Den Insulated Composite Garden Office

From £4,699 £3,759
4 sizes: from 8ft × 6ft to 10ft × 8ft
Pressure Treated Evolution Insulated Garden Room
20% offCode GET20

Pressure Treated Evolution Insulated Garden Room

From £5,399 £4,319
19 sizes: from 8ft × 8ft to 20ft × 12ft
My Den Sliding Doors
20% offCode GET20

My Den Sliding Doors

From £13,995 £11,196
3 sizes: from 12ft × 8ft to 16ft × 8ft
Showing all 7 products

Pressure Treated Insulated Garden Buildings

Create your own comfortable garden retreat, garden office or a hobby room with our insulated garden buildings. Fully insulated garden sheds allow you to enjoy your garden whole year-round. Regardless of the weather seasons, our high-performance insulation kits provide maximum insulation solution keeping your garden buildings cooler inside in summer and warm on winter days.  The multi-foil insulation creates double pockets of air each side locking in the temperature.

Our insulation kit is quick, easy to install and covers any building you desire. Our online videos will show you simple steps to follow for installation.
Buy only what you need, discover our huge range of insulated garden sheds now.

Made in Britain Free delivery (selected postcodes)* Up to 25-year anti-rot guarantee*