20 x 14 Summerhouses

Welcome to Project Timber, the UK’s leading supplier of quality summer houses. With a range of sizes and styles available, our summer houses really do have something for everyone. Our 20 x 14 summer houses are a particularly popular choice, offering a great amount of space for larger families and of course, friends. Made using the best materials on the market and treated with an anti-rot treatment, your summer house is guaranteed to last you for years to come.

To make them even more affordable, we also offer a 0% finance option, available over 24 months so what are you waiting for? Contact us today for more information on our amazing 20 x 14 summer houses as well as our professional assembly service and of course, free delivery on selected postcodes. We’ll be only too happy to help.

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Pressure Treated Diplomat Grandmaster Pavilion

From £68.57 / month

From£2,995

Sizes

Show All Sizes

20 x 14

12 x 16

14 x 16

16 x 16

20 x 16

12 x 20

14 x 20

16 x 20

Free delivery from Tue 2 Apr*

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Pressure Treated Diplomat Grandmaster Summerhouse

From £25.46 / month

From£1,112

Sizes

Show All Sizes

20 x 14

16 x 10

8 x 8

10 x 8

12 x 8

16 x 8

8 x 10

10 x 10

12 x 10

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Pressure Treated Diplomat Offset Grandmaster Summerhouse

From £25.46 / month

From£1,112

Sizes

Show All Sizes

20 x 14

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

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Pressure Treated Grandmaster Fusion With Partition Wall

From £43.09 / month

From£1,882

Sizes

Show All Sizes

20 x 14

16 x 10

14 x 10

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Pressure Treated Alpine Grandmaster Summerhouse Cabin

From £40.64 / month

From£1,775

Sizes

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20 x 14

16 x 9

20 x 9

16 x 12

20 x 12

16 x 14

16 x 16

20 x 16

Free delivery from Tue 2 Apr*

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Pressure Treated Grandmaster Clockhouse Garden Room

From £25.46 / month

From£1,112

Sizes

Show All Sizes

20 x 14

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

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Diplomat Grandmaster Summerhouse

From £22.87 / month

From£999

Sizes

Show All Sizes

20 x 14

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

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Diplomat Offset Grandmaster Summerhouse

From £22.90 / month

From£1,000

Sizes

Show All Sizes

20 x 14

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

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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Alpine Grandmaster Long Window Summerhouse Cabin

From £36.52 / month

From£1,595

Sizes

Show All Sizes

20 x 14

16 x 9

20 x 9

16 x 12

20 x 12

16 x 14

16 x 16

20 x 16

Free delivery from Tue 2 Apr*

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Alpine Grandmaster Summerhouse Cabin

From £36.27 / month

From£1,584

Sizes

Show All Sizes

20 x 14

16 x 9

20 x 9

16 x 12

20 x 12

16 x 14

16 x 16

20 x 16

Free delivery from Tue 2 Apr*

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Grandmaster Clockhouse Garden Room

From £22.87 / month

From£999

Sizes

Show All Sizes

20 x 14

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

18 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

22 x 14

24 x 14

Free delivery from Tue 2 Apr*

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