fbpx
Continue Shopping
My Account
Mon-Fri / 08:30 - 21:00  |  Sat-Sun / 10:00 - 20:00
Monday - Friday / 08:30 - 21:00 Saturday - Sunday / 10:00 - 20:00
01777 802300
Basket

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

Visa MasterCard Amex PayPal
01777 802300 - Click here to call now!
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
Call for Quote
50 years experience
Manufactured in Great Britain
Check delivery time
Click to enter postcode

18 x 12 Summerhouses

Does your garden space feel empty? Do you find yourself not enjoying your outdoor space through lack of shade and shelter? Then take a peek at our fabulous 18 x 12 summer houses. These quality built wooden summer houses are the perfect addition to any garden, quite literally transforming any space by offering the perfect place to relax and unwind with seating, or even house that all-important outdoor bar.

Our wooden summer houses are made using the best materials available and treated with a specialist anti-rot treatment to allow it to withstand the elements, giving you the perfect place to enjoy your garden for years to come. Our 18 x 12 summer houses have become a particularly popular choice, offering a great amount of space without taking up too deep a footprint in your garden. For more information on our free delivery, 0% finance or of course, our professional assembly service, simply contact us today.

Showing all 12 results

Filter By

  • Project Timber Evolution Apex Garden Room

    From £148.80 / month
    From£6,499
    Sizes
    Show All Sizes
    18 x 12
    14 x 12
    16 x 12
    20 x 12
    Free delivery from Fri 29 Mar*
    View Product

  • The Project Timber Evolution Insulated Garden Room

    From £68.66 / month
    From£2,999
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 6
    10 x 6
    12 x 6
    Free delivery from Fri 29 Mar*
    View Product

  • The Project Timber Evolution Insulated Garden Room with Partition Wall

    From £88.72 / month
    From£3,875
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • The Project Timber Evolution Offset Door Insulated Garden Room

    From £89.64 / month
    From£3,915
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    14 x 8
    16 x 8
    18 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Pressure Treated Diplomat Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Pressure Treated Diplomat Offset Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Pressure Treated Grandmaster Fusion With Partition Wall

    From £43.09 / month
    From£1,882
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    14 x 10
    18 x 10
    20 x 10
    Free delivery from Fri 29 Mar*
    View Product

  • Pressure Treated Grandmaster Clockhouse Garden Room

    From £25.46 / month
    From£1,112
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Diplomat Grandmaster Summerhouse

    From £22.87 / month
    From£999
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Diplomat Grandmaster Long Window Summerhouse

    From £24.61 / month
    From£1,075
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Diplomat Offset Grandmaster Summerhouse

    From £22.90 / month
    From£1,000
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product

  • Grandmaster Clockhouse Garden Room

    From £22.87 / month
    From£999
    Sizes
    Show All Sizes
    18 x 12
    16 x 10
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Fri 29 Mar*
    View Product
Show
Check Delivery Time
Simply enter your postcode to customise delivery times to your address.
Request a callback

Contact Us

How can we help you?