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50 years experience
Manufactured in Great Britain
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12 x 12 Summerhouses

Here at Project Timber, we pride ourselves on offering a wide range of wooden garden buildings from traditional garden sheds to our fantastic range of contemporary summer houses. If you’re on the lookout for a summer house, our 12×12 summer house could be just what you need. Made from the very finest materials, using only the best craftsmanship, our summer houses are guaranteed to withstand the elements throughout the year, leaving you with a quality summer house to enjoy at any time. All of our summer houses come with a 10 year anti-rot guarantee which means you can count on Project Timber for the best garden investment you’ll ever make.

With 50 years within the industry, we know garden buildings and we know exactly what our clients want which is why we also provide a 30 day returns policy as well as a professional assembly service to boot. Want to find out more? Then simply contact us today.

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  • The Project Timber Evolution Insulated Garden Room

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

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    Was £3191

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    £2872
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    10% Off
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    Free delivery from Thu 14 Mar*
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  • 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
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  • Pressure Treated Diplomat Grandmaster Summerhouse

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

    New Year Promo

    Was £1386

    Now Only
    £1247
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  • 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
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    10% Off
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  • 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
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    Free delivery from Thu 14 Mar*
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  • Pressure Treated Duke Grandmaster Summerhouse

    From £36.84 / month
    From Total£1,609
    Now Only £1448

    New Year Promo

    Was £1609

    Now Only
    £1448
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    10% Off
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    Free delivery from Thu 14 Mar*
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  • Diplomat Grandmaster Insulated Garden Room

    From £129.22 / month
    From Total£5,644
    Now Only £5080

    New Year Promo

    Was £5644

    Now Only
    £5080
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    10% Off
    WITH CODE NEWYEAR10

    Free delivery from Mon 11 Mar*
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  • 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
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    Free delivery from Thu 14 Mar*
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  • Diplomat Grandmaster Long Window Summerhouse

    From £44.67 / month
    From Total£1,951
    Now Only £1756

    New Year Promo

    Was £1951

    Now Only
    £1756
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    Free delivery from Thu 14 Mar*
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  • 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

    Free delivery from Thu 14 Mar*
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  • 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

    Free delivery from Thu 14 Mar*
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  • Duke Grandmaster Summerhouse

    From £43.02 / month
    From Total£1,879
    Now Only £1691

    New Year Promo

    Was £1879

    Now Only
    £1691
    Save £188

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    WITH CODE NEWYEAR10

    Free delivery from Thu 14 Mar*
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