18 x 10 Summerhouses

Our 18 x 10 summer houses are available in a variety of styles, with stronger and taller doors along with fully opening windows. These allow for a truly light and airy feel when in them. Whether you plan to use it for seating or the ultimate bar area in your garden, the choice is yours but one thing’s for certain and that’s when you buy from Project Timber, you can ensure quality every step of the way.

What’s more, we make it more affordable than ever with our 0% finance options, which means you get to enjoy your summer house without being out of pocket. If you’d like more information on our amazing 18 x 10 summer houses or even our professional assembly service that’s now available, simply contact us today. We’ll be only too happy to offer any help and advice you may need and set you on track to having the summer house of your dreams.

Showing all 14 results

Filter By

The Project Timber Evolution Insulated Garden Room

From £85.61 / month

From£3,739

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 6

10 x 6

12 x 6

8 x 8

10 x 8

12 x 8

14 x 8

16 x 8

18 x 8

20 x 8

10 x 10

12 x 10

14 x 10

20 x 10

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Grandmaster Fusion With Partition Wall

From £32.42 / month

From£1,416

Sizes

Show All Sizes

18 x 10

16 x 10

12 x 8

14 x 8

16 x 8

18 x 8

22 x 8

14 x 10

20 x 10

22 x 10

24 x 10

14 x 12

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

14 x 14

16 x 14

18 x 14

20 x 14

22 x 14

24 x 14

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Diplomat Grandmaster Garden Room

From £38.01 / month

From£1,660

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 8

10 x 8

12 x 8

16 x 8

8 x 10

10 x 10

12 x 10

20 x 10

22 x 10

24 x 10

8 x 12

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

8 x 14

10 x 14

12 x 14

14 x 14

16 x 14

18 x 14

20 x 14

22 x 14

24 x 14

Free delivery from Fri 31 Jan*

View Product
The Project Timber Evolution Cedar Insulated Garden Room

From £172.15 / month

From£7,519

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 8

10 x 8

12 x 8

14 x 8

16 x 8

18 x 8

20 x 8

10 x 10

12 x 10

14 x 10

20 x 10

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

Free delivery from Fri 21 Feb*

View Product
The Project Timber Evolution Offset Door Insulated Garden Room

From £133.46 / month

From£5,829

Sizes

Show All Sizes

18 x 10

16 x 10

14 x 8

16 x 8

18 x 8

20 x 8

14 x 10

20 x 10

14 x 12

16 x 12

18 x 12

20 x 12

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Diplomat Offset Grandmaster Summerhouse

From £38.01 / month

From£1,660

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 8

10 x 8

12 x 8

14 x 8

16 x 8

18 x 8

20 x 8

22 x 8

24 x 8

8 x 10

10 x 10

12 x 10

14 x 10

20 x 10

22 x 10

24 x 10

8 x 12

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

10 x 14

12 x 14

14 x 14

16 x 14

18 x 14

20 x 14

22 x 14

24 x 14

Free delivery from Fri 31 Jan*

View Product
Evolution Western Red Cedar Insulated Garden Room with Partition Wall

From £276.90 / month

From£12,094

Sizes

Show All Sizes

18 x 10

16 x 10

16 x 8

18 x 8

20 x 8

20 x 10

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

26 x 12

28 x 12

30 x 12

Free delivery from Fri 31 Jan*

View Product
The Project Timber Evolution Insulated Garden Room with Partition Wall

From £118.76 / month

From£5,187

Sizes

Show All Sizes

18 x 10

16 x 10

10 x 8

12 x 8

14 x 8

16 x 8

18 x 8

20 x 8

10 x 10

12 x 10

14 x 10

20 x 10

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

Free delivery from Fri 31 Jan*

View Product
The Project Timber Evolution High Window Insulated Garden Room

From £119.61 / month

From£5,224

Sizes

Show All Sizes

18 x 10

16 x 10

10 x 8

12 x 8

14 x 8

16 x 8

18 x 8

20 x 8

10 x 10

12 x 10

14 x 10

20 x 10

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Diplomat Grandmaster Long Window Summerhouse

From £47.97 / month

From£2,095

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 10

10 x 10

12 x 10

14 x 10

20 x 10

22 x 10

24 x 10

8 x 12

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

8 x 14

10 x 14

12 x 14

14 x 14

16 x 14

18 x 14

20 x 14

22 x 14

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Grandmaster Clockhouse Garden Room

From £25.46 / month

From£1,112

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 10

10 x 10

12 x 10

14 x 10

20 x 10

22 x 10

24 x 10

8 x 12

10 x 12

12 x 12

14 x 12

16 x 12

18 x 12

20 x 12

22 x 12

24 x 12

8 x 14

10 x 14

12 x 14

14 x 14

16 x 14

18 x 14

20 x 14

22 x 14

24 x 14

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Clubhouse Storeroom

From £37.76 / month

From£1,649

Sizes

Show All Sizes

18 x 10

16 x 10

12 x 10

14 x 10

20 x 10

22 x 10

24 x 10

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Lounge Contemporary Garden Room

From £27.50 / month

From£1,201

Sizes

Show All Sizes

18 x 10

10 x 10

14 x 10

22 x 10

Free delivery from Fri 31 Jan*

View Product
Pressure Treated Duke Grandmaster Summerhouse

From £36.52 / month

From£1,595

Sizes

Show All Sizes

18 x 10

16 x 10

8 x 8

10 x 8

12 x 8

16 x 8

8 x 10

10 x 10

12 x 10

20 x 10

12 x 12

16 x 12

20 x 12

Free delivery from Fri 31 Jan*

View Product