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50 years experience
Manufactured 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.

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  • Pressure Treated Diplomat Grandmaster Pavilion

    From £68.57 / month
    From£2,995
    Sizes
    Show All Sizes
    16 x 12
    12 x 16
    14 x 16
    16 x 16
    20 x 16
    Free delivery from Tue 2 Apr*
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  • Project Timber Evolution Apex Garden Room

    From £148.80 / month
    From£6,499
    Sizes
    Show All Sizes
    16 x 12
    14 x 12
    18 x 12
    20 x 12
    Free delivery from Tue 2 Apr*
    View Product

  • The Project Timber Evolution Insulated Garden Room

    From £68.66 / month
    From£2,999
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 6
    10 x 6
    12 x 6
    Free delivery from Tue 2 Apr*
    View Product

  • The Project Timber Evolution Insulated Garden Room with Partition Wall

    From £88.72 / month
    From£3,875
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • The Project Timber Evolution Offset Door Insulated Garden Room

    From £89.64 / month
    From£3,915
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    14 x 8
    16 x 8
    18 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Diplomat Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Diplomat Offset Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Grandmaster Fusion With Partition Wall

    From £43.09 / month
    From£1,882
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    14 x 10
    18 x 10
    20 x 10
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Alpine Grandmaster Summerhouse Cabin

    From £40.64 / month
    From£1,775
    Sizes
    Show All Sizes
    16 x 12
    16 x 9
    20 x 9
    20 x 12
    16 x 14
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Grandmaster Clockhouse Garden Room

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Pressure Treated Duke Grandmaster Summerhouse

    From £26.95 / month
    From£1,177
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Diplomat Grandmaster Insulated Garden Room

    From £73.22 / month
    From£3,198
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    12 x 8
    16 x 8
    20 x 8
    Free delivery from Mon 15 Apr*
    View Product

  • Diplomat Grandmaster Summerhouse

    From £22.87 / month
    From£999
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Diplomat Grandmaster Long Window Summerhouse

    From £24.61 / month
    From£1,075
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Diplomat Offset Grandmaster Summerhouse

    From £22.90 / month
    From£1,000
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Alpine Grandmaster Long Window Summerhouse Cabin

    From £36.52 / month
    From£1,595
    Sizes
    Show All Sizes
    16 x 12
    16 x 9
    20 x 9
    20 x 12
    16 x 14
    Free delivery from Tue 2 Apr*
    View Product

  • Alpine Grandmaster Summerhouse Cabin

    From £36.27 / month
    From£1,584
    Sizes
    Show All Sizes
    16 x 12
    16 x 9
    20 x 9
    20 x 12
    16 x 14
    Free delivery from Tue 2 Apr*
    View Product

  • Grandmaster Clockhouse Garden Room

    From £22.87 / month
    From£999
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product

  • Duke Grandmaster Summerhouse

    From £22.90 / month
    From£1,000
    Sizes
    Show All Sizes
    16 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Tue 2 Apr*
    View Product
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