20 x 12 Summerhouses

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• 

  Project Timber Evolution Long Window Pent Garden Room

  

  From £119.36 / month

  From£5,213
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  20 x 12

  12 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 29 Jul*
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• 

  The Project Timber Evolution Cedar Insulated Garden Room

  

  From £176.25 / month

  From£7,698
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  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 29 Jul*
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• 

  The Project Timber Evolution Insulated Garden Room

  

  From £77.82 / month

  From£3,399
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  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 29 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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  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 29 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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  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 29 Jul*
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• 

  Pressure Treated Alpine Grandmaster Long Window Summerhouse Cabin

  

  From £64.09 / month

  From£2,799
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  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 29 Jul*
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• 

  Project Timber Evolution Apex Garden Room

  

  From £148.80 / month

  From£6,499
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  20 x 12

  14 x 12

  16 x 12

  18 x 12
  Free delivery from Mon 29 Jul*
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• 

  Pressure Treated Diplomat Grandmaster Pavilion

  

  From £68.57 / month

  From£2,995
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  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 29 Jul*
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• 
• 

  Pressure Treated Diplomat Grandmaster Long Window Summerhouse

  

  From £47.97 / month

  From£2,095
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  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 29 Jul*
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• 

  Pressure Treated Grandmaster Fusion With Partition Wall

  

  From £29.47 / month

  From£1,287
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  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 29 Jul*
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• 

  Pressure Treated Diplomat Grandmaster Summerhouse

  

  From £25.46 / month

  From£1,112
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  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 29 Jul*
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• 

  Pressure Treated Diplomat Offset Grandmaster Summerhouse

  

  From £25.46 / month

  From£1,112
  Sizes

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  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 29 Jul*
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• 
• 

  Pressure Treated Alpine Grandmaster Summerhouse Cabin

  

  From £40.64 / month

  From£1,775
  Sizes

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  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 29 Jul*
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• 

  Pressure Treated Grandmaster Clockhouse Garden Room

  

  From £25.46 / month

  From£1,112
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  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 29 Jul*
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• 

  Pressure Treated Duke Grandmaster Summerhouse

  

  From £50.26 / month

  From£2,195
  Sizes

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  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 29 Jul*
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• 

  Diplomat Grandmaster Insulated Garden Room

  From £73.22 / month

  From£3,198
  Sizes

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  20 x 12

  16 x 10

  12 x 8

  16 x 8

  20 x 8

  12 x 10

  20 x 10

  12 x 12

  16 x 12
  Free delivery from Fri 9 Aug*
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• 
• 

  Diplomat Grandmaster Summerhouse

  From £22.87 / month

  From£999
  Sizes

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  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 29 Jul*
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• 

  Diplomat Offset Grandmaster Summerhouse

  From £22.90 / month

  From£1,000
  Sizes

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  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 29 Jul*
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• 

  Duke Grandmaster Summerhouse

  From £22.90 / month

  From£1,000
  Sizes

  Show All Sizes

  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 29 Jul*
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