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Free delivery
on selected postcodes
0% interest finance
50 years experience
Made in Great Britain
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18 x 12 Wooden Garden Sheds

Here at Project Timber, we couldn’t be more pleased with the quality garden sheds we produce, and with our ever-increasing popularity up and down the country, we think it’s safe to say that neither could our customers. So why do so many people choose Project Timber? Well, we believe it’s a mix of things; from our variety of styles including traditional garden sheds to more modern options, along with our options in size; From quaint 5×5 garden sheds to our 18×12 garden sheds, here at Project Timber, we have every choice available.

What’s more, our team will even deliver and assemble it too. This fantastic choice is complimented perfectly by our incredibly affordable prices and of course, our 30 day returns policy giving you peace of mind every step of the way. For more information, simply contact us today and we’ll be happy to answer any questions you may have.

Showing all 9 results

  • Grandmaster Central Door Workshop TG Roof and Floor

    Traditional Windowed Grandmaster Workshop Shed

    From £61.42 per month
    Total£1,475
    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 Wednesday 25 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 Central Door Workshop TG Roof and Floor Pressure Treated

    Pressure Treated Traditional Windowed Grandmaster Workshop Shed

    From £51.50 per month
    Total£1,236
    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 Wednesday 25 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
  • Grandmaster Central Door Workshop TG Roof and Floor

    Traditional Windowless Grandmaster Workshop Shed

    From £64.26 per month
    Total£1,545
    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
    12 x 12
    14 x 12
    16 x 12
    18 x 12
    20 x 12
    22 x 12
    24 x 12
    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 Wednesday 25 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
    View Product
  • Garden_Room_12x8_Composit_Cladding_Tongue_and_Groove_Roof_and_Floor_Windowed_03

    The Project Timber Evolution Insulated Garden Office

    From £216.42 per month
    Total£5,195
    Sizes
    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
    16 x 10
    18 x 10
    20 x 10
    10 x 12
    12 x 12
    14 x 12
    16 x 12
    18 x 12
    20 x 12
    Show More Sizes
    Free delivery from Wednesday 25 July*
    From 10 x 8 to 20 x 12
    Multiple sizes available
    Easy composite cladding construction
    Multi purpose interior
    Fully insulated
    10 year anti rot guarantee
    View Product
  • Grandmaster Central Door Workshop TG Roof and Floor Pressure Treated

    Pressure Treated Traditional Windowless Grandmaster Workshop Shed

    From £34.67 per month
    Total£833
    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 Wednesday 25 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
    View Product
  • Evolution_14x12_Offset_Door_Composite_Cladding_TG_Roof_and_Floor_01

    The Project Timber Evolution Offset Door Insulated Garden Office

    From £153.92 per month
    Total£3,695
    Sizes
    14 x 8
    16 x 8
    18 x 8
    20 x 8
    14 x 10
    16 x 10
    18 x 10
    20 x 10
    14 x 12
    16 x 12
    18 x 12
    20 x 12
    Show More Sizes
    Free delivery from Wednesday 25 July*
    From 14 x 8 to 20 x 12
    Multiple sizes available
    Easy composite cladding construction
    Multi purpose interior
    Fully insulated
    10 year anti rot guarantee
    View Product
  • Grandmaster Offset Door Workshop TG Roof and Floor

    Traditional Windowed Offset Grandmaster Workshop Shed

    From £83.00 per month
    Total£1,992
    Sizes
    16 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 Wednesday 25 July*
    From 16 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 Offset Door Workshop TG Roof and Floor

    Traditional Windowless Offset Grandmaster Workshop Shed

    From £34.26 per month
    Total£825
    Sizes
    10 x 8
    12 x 8
    16 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 Wednesday 25 July*
    From 10 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
    View Product
  • Grandmaster Offset Door Workshop TG Roof and Floor PT

    Pressure Treated Traditional Windowed Offset Grandmaster Workshop Shed

    From £169.58 per month
    Total£4,070
    Sizes
    16 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 Wednesday 25 July*
    From 16 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
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