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Free delivery
on selected postcodes
0% interest finance
50 years experience
Manufactured in Great Britain
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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.

Showing all 8 results

  • Alpine Grandmaster Long Window Summerhouse

    Alpine Grandmaster Long Window Summerhouse Cabin

    From £53.19 12.9% per month
    Total£1,915
    Sizes
    16 x 9
    20 x 9
    16 x 12
    20 x 12
    16 x 14
    20 x 14
    16 x 16
    20 x 16
    Show More Sizes
    Free delivery from Friday 28 September*
    From 16 x 9 to 20 x 16
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Diplomat Offset Grandmaster Summerhouse

    Diplomat Offset Grandmaster Summerhouse

    From £52.92 12.9% per month
    Total£1,905
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Diplomat Grandmaster Summerhouse

    Diplomat Grandmaster Summerhouse

    From £52.64 12.9% per month
    Total£1,895
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Alpine Grandmaster Summerhouse

    Alpine Grandmaster Summerhouse Cabin

    From £59.17 12.9% per month
    Total£2,130
    Sizes
    16 x 9
    20 x 9
    16 x 12
    20 x 12
    16 x 14
    20 x 14
    16 x 16
    20 x 16
    Show More Sizes
    Free delivery from Friday 28 September*
    From 16 x 9 to 20 x 16
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Diplomat Grandmaster Summerhouse With Dorma

    Diplomat Grandmaster Summerhouse With Dorma

    From £82.22 12.9% per month
    Total£2,960
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Pressure Treated Diplomat Offset Grandmaster Summerhouse

    Pressure Treated Diplomat Offset Grandmaster Summerhouse

    From £33.61 12.9% per month
    Total£1,210
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    15 year anti rot guarantee
    Fully opening windows
    View Product
  • Pressure Treated Diplomat Grandmaster Summerhouse

    Pressure Treated Diplomat Grandmaster Summerhouse

    From £38.50 12.9% per month
    Total£1,386
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    15 year anti rot guarantee
    Fully opening windows
    View Product
  • Pressure Treated Diplomat Grandmaster Summerhouse With Dorma

    Pressure Treated Diplomat Grandmaster Summerhouse With Dorma

    From £44.78 12.9% per month
    Total£1,612
    Sizes
    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
    16 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
    20 x 14
    22 x 14
    24 x 14
    Show More Sizes
    Free delivery from Friday 28 September*
    From 8 x 8 to 24 x 14
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
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