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01636 370600
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Free delivery
on selected postcodes
0% interest finance
50 years experience
Manufactured in Great Britain
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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.

Showing all 8 results

  • 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 Thursday 23 August*
    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 Thursday 23 August*
    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 With Dorma

    Diplomat Grandmaster Summerhouse With Dorma

    From £55.42 12.9% per month
    Total£1,995
    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 Thursday 23 August*
    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 Thursday 23 August*
    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 £50.14 12.9% per month
    Total£1,805
    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 Thursday 23 August*
    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 Thursday 23 August*
    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 Duke Grandmaster Summerhouse

    Pressure Treated Duke Grandmaster Summerhouse

    From £44.69 12.9% per month
    Total£1,609
    Sizes
    10 x 8
    12 x 8
    16 x 8
    8 x 10
    10 x 10
    12 x 10
    16 x 10
    20 x 10
    12 x 12
    16 x 12
    20 x 12
    Show More Sizes
    Free delivery from Thursday 23 August*
    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
  • Lounge Contemporary Summerhouse

    Lounge Contemporary Summerhouse

    From £26.11 12.9% per month
    Total£940
    Sizes
    10 x 10
    12 x 10
    14 x 10
    18 x 10
    22 x 10
    24 x 10
    Free delivery from Thursday 23 August*
    From 10 x 10 to 24 x 10
    Our signature shiplap cladding
    Easy and strong T&G construction
    French doors
    Multi purpose interior
    10 year anti rot guarantee
    Multiple sizes available
    View Product
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