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Free delivery
on selected postcodes
0% interest finance
50 years experience
Made in Great Britain
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16 x 12 Summerhouses

Welcome to Project Timber, home of the best quality wooden garden buildings in the UK. Having acquired over 50 years within the industry, here at Project Timber, we’re confident in saying we know exactly what our customers want and that’s precisely what we provide. Our 16 x 12 summer house is no exception to the rule, proving to be hugely popular, offering fantastic interior space to fill as you wish, from seating to bar areas, our summer houses don’t disappoint. With Project Timber, you can guarantee quality every step of the way with a minimum 10 year anti-rot guarantee as well as a 30 day returns policy, allowing you to purchase with peace of mind.

We use only the finest material and the best craftsmanship available, making our summer houses one of the best investments for your outdoor space. For more information on our quality 16 x 12 summer houses, simply contact our friendly team today whom you’ll find only too happy to help you with any and all of your queries.

Showing all 12 results

  • Alpine Grandmaster Long Window Summerhouse

    Alpine Grandmaster Long Window Summerhouse

    From £114.26 per month
    Total£2,745
    Sizes
    16 x 9
    20 x 9
    20 x 12
    20 x 14
    20 x 16
    Free delivery from Monday 23 July*
    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

    From £88.75 per month
    Total£2,130
    Free delivery from Monday 23 July*
    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

    Diplomat Grandmaster Summerhouse

    From £78.92 per month
    Total£1,895
    Free delivery from Monday 23 July*
    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 £83.01 per month
    Total£1,995
    Free delivery from Monday 23 July*
    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 Offset Grandmaster Summerhouse

    Diplomat Offset Grandmaster Summerhouse

    From £78.92 per month
    Total£1,895
    Free delivery from Monday 23 July*
    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
  • Grandmaster Duke Summerhouse TG Roof and Floor

    Duke Grandmaster Summerhouse

    From £78.29 per month
    Total£1,879
    Free delivery from Monday 23 July*
    From 8 x 8 to 20 x 12
    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 £50.34 per month
    Total£1,210
    Free delivery from Monday 23 July*
    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 Alpine Grandmaster Summerhouse

    Pressure Treated Alpine Grandmaster Summerhouse

    From £92.01 per month
    Total£2,211
    Free delivery from Monday 23 July*
    From 16 x 9 to 20 x 16
    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 £75.17 per month
    Total£1,805
    Free delivery from Monday 23 July*
    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 £67.09 per month
    Total£1,612
    Free delivery from Monday 23 July*
    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-new day scene-a

    Diplomat Grandmaster Insulated Garden Room

    From £235.09 per month
    Total£5,644
    Free delivery from Monday 23 July*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    Fully insulated
    View Product
  • Pressure Treated Duke Grandmaster Summerhouse

    Pressure Treated Duke Grandmaster Summerhouse

    From £63.51 per month
    Total£1,527
    Free delivery from Monday 23 July*
    From 10 x 8 to 20 x 12
    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
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