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50 years experience
Manufactured in Great Britain
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18 x 8 Summerhouses

Are you on the lookout for a 18 x 8 summer house? Then look no further than our fabulous 18 x 8 summer houses you see right here. Here at Project Timber, we don’t just use quality materials when building our summer houses, we use the best team and the best craftsmanship too. Couple this with our anti-rot treatments and you can guarantee a summer house that will stand the test of time, regardless of what the British weather throws at it.

With over 50 years in the industry, you can guarantee we know a thing or two about summer houses but don’t just take our word for it, take a look for yourself. Whatever style or size you’re looking for, we have something for everyone. With free delivery on selected postcodes and of course, our 30 day returns policy, there’s never been a better time to buy. For more information, simply contact us at Project Timber today.

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  • The Project Timber Evolution Insulated Garden Room

    From £73.06 / month
    From Total£3,191
    Now Only £2872

    New Year Promo

    Was £3191

    Now Only
    £2872
    Save £319

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 6
    10 x 6
    12 x 6
    8 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • The Project Timber Evolution Insulated Garden Room with Partition Wall

    From £89.09 / month
    From Total£3,891
    Now Only £3502

    New Year Promo

    Was £3891

    Now Only
    £3502
    Save £389

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    10 x 8
    12 x 8
    14 x 8
    16 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • The Project Timber Evolution Offset Door Insulated Garden Room

    From £90.12 / month
    From Total£3,936
    Now Only £3542

    New Year Promo

    Was £3936

    Now Only
    £3542
    Save £394

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    14 x 8
    16 x 8
    20 x 8
    14 x 10
    Free delivery from Fri 8 Feb*
    View Product

  • Diplomat Offset Grandmaster Summerhouse

    From £43.62 / month
    From Total£1,905
    Now Only £1715

    New Year Promo

    Was £1905

    Now Only
    £1715
    Save £191

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • Diplomat Grandmaster Summerhouse

    From £43.39 / month
    From Total£1,895
    Now Only £1706

    New Year Promo

    Was £1895

    Now Only
    £1706
    Save £190

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • Grandmaster Clockhouse Garden Room

    From £67.77 / month
    From Total£2,960
    Now Only £2664

    New Year Promo

    Was £2960

    Now Only
    £2664
    Save £296

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • Pressure Treated Diplomat Offset Grandmaster Summerhouse

    From £27.70 / month
    From Total£1,210
    Now Only £1089

    New Year Promo

    Was £1210

    Now Only
    £1089
    Save £121

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • Pressure Treated Diplomat Grandmaster Summerhouse

    From £31.73 / month
    From Total£1,386
    Now Only £1247

    New Year Promo

    Was £1386

    Now Only
    £1247
    Save £139

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    16 x 8
    Free delivery from Fri 8 Feb*
    View Product

  • Pressure Treated Grandmaster Clockhouse Garden Room

    From £36.91 / month
    From Total£1,612
    Now Only £1451

    New Year Promo

    Was £1612

    Now Only
    £1451
    Save £161

    10% Off
    WITH CODE NEWYEAR10
    Sizes
    Show All Sizes
    18 x 8
    8 x 8
    10 x 8
    12 x 8
    14 x 8
    Free delivery from Fri 8 Feb*
    View Product
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