Continue Shopping
Mon-Fri / 08:30 - 21:00  |  Sat-Sun / 10:00 - 20:00
Monday - Friday / 08:30 - 21:00
Saturday - Sunday / 10:00 - 20:00
01636 370600
Basket

Project Timber accepts Visa, Mastercard, Amex & Maestro through our 100% secure SSL payment providers - WorldPay & PayPal.

01636 370600
Oops..
It appears you are visiting us on Internet Explorer 9 or earlier. Please upgrade to a later version of Internet Explorer. Alternatively, you can view our website on Google Chrome, Mozilla Firefox or Apple Safari.
Free delivery
on selected postcodes
0% interest finance
50 years experience
Made in Great Britain
Check delivery time
Click to enter postcode

20 x 12 Wooden Garden Sheds

Here at Project Timber, we pride ourselves on producing the best quality 20 x 12 garden sheds available on the market and we do so by not only using the best materials for the job, but also boasting the best in-house team available. We’ve carefully selected some of the finest craftsmen out there to ensure our garden sheds not only look great, but stand the test of time, in all elements to ensure your garden shed looks great for years to come.

We have not only a wide range of style sheds but a variety of sizes too, with our 20×12 garden sheds being particularly popular right now. With such a large footprint, these sheds are able to store a large amount of home and garden products safely and securely, allowing you and your family the freedom to enjoy the rest of your outdoor space, clutter free. With a 30 day returns policy and our second to none, professional assembly service, there really is no question as to why Project Timber is the best company for all your garden shed needs. For more information, simply contact us today.

Showing all 19 results

  • Grandmaster Central Door Workshop TG Roof and Floor

    Traditional Windowed Grandmaster Workshop Shed

    From £61.42 per month
    Total£1,475
    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
    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 Gable End Door Workshop TG Roof and Floor

    Traditional Windowed Apex Grandmaster Workshop Shed

    From £69.79 per month
    Total£1,675
    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

    Traditional Windowless Grandmaster Workshop Shed

    From £64.26 per month
    Total£1,545
    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
    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
    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
  • Grandmaster Gable End Door Workshop TG Roof and Floor

    Traditional Windowless Apex Grandmaster Workshop Shed

    From £45.59 per month
    Total£1,096
    Free delivery from Wednesday 25 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
    View Product
  • Grandmaster_12x10_Premium_Door_Workshop_TG_Roof_and_Floor_01

    Traditional Windowless 2 Doors Grandmaster Workshop Shed

    From £74.29 per month
    Total£1,783
    Free delivery from Wednesday 25 July*
    From 12 x 10 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
    View Product
  • 14ft x 12ft traditional windowed 2 doors grandmaster workshop

    Traditional Windowed 2 Doors Grandmaster Workshop Shed

    From £74.29 per month
    Total£1,783
    Free delivery from Wednesday 25 July*
    From 12 x 10 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
  • 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
    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 Gable End Door Workshop TG Roof and Floor PT

    Pressure Treated Traditional Windowless Apex Grandmaster Workshop Shed

    From £64.51 per month
    Total£1,551
    Free delivery from Wednesday 25 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
    15 year anti rot guarantee
    View Product
  • Grandmaster Offset Door Workshop TG Roof and Floor PT

    Pressure Treated Traditional Windowless Offset Grandmaster Workshop Shed

    From £40.00 per month
    Total£960
    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
    15 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
    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
    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
  • 12 x 8 traditional windowed insulated apex grandmaster workshop shed

    Traditional Windowed Apex Insulated Grandmaster Workshop Shed

    From £137.00 per month
    Total£3,288
    Free delivery from Wednesday 25 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
  • Grandmaster 12x8 Workshop Central Door 1 (4) (1)

    Pressure Treated Traditional Windowless Insulated Grandmaster Workshop Shed

    From £116.17 per month
    Total£2,789
    Free delivery from Wednesday 25 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
    15 year anti rot guarantee
    Fully insulated
    View Product
  • 12 x 8 Windowless Grandmaster Central Door Insulated Workshop

    Traditional Windowless Grandmaster Insulated Workshop Shed

    From £109.84 per month
    Total£2,638
    Free delivery from Wednesday 25 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 insulated
    View Product
  • Grandmaster Central Door Workshop TG Roof and Floor

    Traditional Windowed Insulated Grandmaster Workshop Shed

    From £128.59 per month
    Total£3,088
    Free delivery from Wednesday 25 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
  • 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
    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
Show
Customise delivery
Simply enter your postcode to customise delivery times to your address.
Request a callback