20 x 12 Summerhouses

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• 

  The Project Timber Evolution Insulated Garden Room

  

  Price Start From £3,399
  Sizes Available

  20 x 12

  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

  18 x 10

  20 x 10

  10 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
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• 

  Pressure Treated Grandmaster Fusion With Partition Wall

  

  Price Start From £1,382
  Sizes Available

  20 x 12

  16 x 10

  12 x 8

  14 x 8

  16 x 8

  18 x 8

  22 x 8

  14 x 10

  18 x 10

  20 x 10

  22 x 10

  24 x 10

  14 x 12

  16 x 12

  18 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 Mon 30 Sep*
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• 

  Pressure Treated Diplomat Grandmaster Summerhouse

  

  Price Start From £1,509
  Sizes Available

  20 x 12

  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

  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 Mon 30 Sep*
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• 

  Project Timber Evolution Apex Garden Room

  

  Price Start From £6,530
  Sizes Available

  20 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
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• 
• 

  The Project Timber Evolution Cedar Insulated Garden Room

  

  Price Start From £7,058
  Sizes Available

  20 x 12

  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

  18 x 10

  20 x 10

  10 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 21 Oct*
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• 

  The Project Timber Evolution Offset Door Insulated Garden Room

  

  Price Start From £5,320
  Sizes Available

  20 x 12

  16 x 10

  14 x 8

  16 x 8

  18 x 8

  20 x 8

  14 x 10

  18 x 10

  20 x 10

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
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• 

  Pressure Treated Alpine Grandmaster Long Window Summerhouse Cabin

  

  Price Start From £2,799
  Sizes Available

  20 x 12

  16 x 9

  20 x 9

  16 x 12

  16 x 14

  20 x 14

  16 x 16

  20 x 16
  Free delivery from Mon 30 Sep*
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• 

  Pressure Treated Diplomat Grandmaster Pavilion

  

  Price Start From £2,995
  Sizes Available

  20 x 12

  12 x 16

  14 x 16

  16 x 16

  20 x 16

  12 x 20

  14 x 20

  16 x 20
  Free delivery from Mon 30 Sep*
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• 
• 

  Pressure Treated Diplomat Offset Grandmaster Summerhouse

  

  Price Start From £1,509
  Sizes Available

  20 x 12

  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

  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 Mon 30 Sep*
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• 

  Project Timber Evolution Long Window Pent Garden Room

  

  Price Start From £5,244
  Sizes Available

  20 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
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• 

  The Project Timber Evolution Insulated Garden Room with Partition Wall

  

  Price Start From £4,715
  Sizes Available

  20 x 12

  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

  18 x 10

  20 x 10

  10 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
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• 

  The Project Timber Evolution High Window Insulated Garden Room

  

  Price Start From £4,749
  Sizes Available

  20 x 12

  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

  18 x 10

  20 x 10

  10 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 30 Sep*
  View Product
• 
• 

  Pressure Treated Diplomat Grandmaster Long Window Summerhouse

  

  Price Start From £2,109
  Sizes Available

  20 x 12

  16 x 10

  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

  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 Mon 30 Sep*
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• 

  Pressure Treated Alpine Grandmaster Summerhouse Cabin

  

  Price Start From £1,964
  Sizes Available

  20 x 12

  16 x 9

  20 x 9

  16 x 12

  16 x 14

  20 x 14

  16 x 16

  20 x 16
  Free delivery from Mon 30 Sep*
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• 

  Pressure Treated Alpine Grandmaster Summerhouse Cabin Plain Side

  

  Price Start From £2,519
  Sizes Available

  20 x 12

  16 x 9

  20 x 9

  16 x 12

  16 x 14

  20 x 14

  16 x 16

  20 x 16
  Free delivery from Mon 30 Sep*
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• 

  Pressure Treated Grandmaster Clockhouse Garden Room

  

  Price Start From £1,226
  Sizes Available

  20 x 12

  16 x 10

  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

  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 Mon 30 Sep*
  View Product
• 
• 

  Pressure Treated Duke Grandmaster Summerhouse

  

  Price Start From £1,595
  Sizes Available

  20 x 12

  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
  Free delivery from Mon 30 Sep*
  View Product