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.

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The Project Timber Evolution Cedar Insulated Garden Room

From £176.25 / month

From£7,698

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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 26 Jul*

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The Project Timber Evolution Insulated Garden Room

From £77.82 / month

From£3,399

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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 26 Jul*

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The Project Timber Evolution Insulated Garden Room with Partition Wall

From £107.59 / month

From£4,699

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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 26 Jul*

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The Project Timber Evolution Offset Door Insulated Garden Room

From £89.64 / month

From£3,915

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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 26 Jul*

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Pressure Treated Diplomat Grandmaster Long Window Summerhouse

From £47.97 / month

From£2,095

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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 26 Jul*

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Pressure Treated Grandmaster Fusion With Partition Wall

From £29.47 / month

From£1,287

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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 26 Jul*

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Pressure Treated Diplomat Grandmaster Summerhouse

From £25.46 / month

From£1,112

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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 26 Jul*

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Pressure Treated Diplomat Offset Grandmaster Summerhouse

From £25.46 / month

From£1,112

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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 26 Jul*

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Pressure Treated Grandmaster Clockhouse Garden Room

From £25.46 / month

From£1,112

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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 26 Jul*

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Pressure Treated Lounge Contemporary Garden Room

From £25.00 / month

From£1,092

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18 x 10

10 x 10

14 x 10

22 x 10

Free delivery from Fri 26 Jul*

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Pressure Treated Duke Grandmaster Summerhouse

From £50.26 / month

From£2,195

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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 26 Jul*

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Diplomat Grandmaster Summerhouse

From £22.87 / month

From£999

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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 26 Jul*

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Diplomat Offset Grandmaster Summerhouse

From £22.90 / month

From£1,000

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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 26 Jul*

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