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50 years experience
Manufactured in Great Britain
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20 x 12 Summerhouses

Would you like to maximise the use of your garden? Then why not create the perfect outdoor space to enjoy in any weather with our 20 x 12 summer houses? From extra seating to a creative space, whatever you wish to use them for, these quality built wooden summer houses are the perfect addition to any garden and built with such care and attention that they’ll withstand the elements for years to come.

With a minimum of 10 years anti-rot guarantee, these summer houses really are not only a fantastic investment, but a great way to extend your living space. With 0% finance and free delivery on selected postcodes, they’ve never been more affordable. For more information on our quality 20 x 12 summer houses, simply contact our friendly team of staff today.

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  • Pressure Treated Diplomat Grandmaster Pavilion

    From £68.57 / month
    From£2,995
    Free delivery from Thu 30 May*
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  • Project Timber Evolution Apex Garden Room

    From £148.80 / month
    From£6,499
    Free delivery from Thu 30 May*
    View Product
  • Project Timber Evolution Long Window Pent Garden Room

    From £119.36 / month
    From£5,213
    Free delivery from Thu 30 May*
    View Product
  • The Project Timber Evolution Insulated Garden Room

    From £68.66 / month
    From£2,999
    Free delivery from Thu 30 May*
    View Product
  • The Project Timber Evolution Insulated Garden Room with Partition Wall

    From £88.72 / month
    From£3,875
    Free delivery from Thu 30 May*
    View Product
  • The Project Timber Evolution Offset Door Insulated Garden Room

    From £89.64 / month
    From£3,915
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Alpine Grandmaster Long Window Summerhouse Cabin

    From £64.09 / month
    From£2,799
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Diplomat Grandmaster Long Window Summerhouse

    From £47.97 / month
    From£2,095
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Grandmaster Fusion With Partition Wall

    From £36.54 / month
    From£1,596
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Diplomat Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Diplomat Offset Grandmaster Summerhouse

    From £25.46 / month
    From£1,112
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Alpine Grandmaster Summerhouse Cabin

    From £40.64 / month
    From£1,775
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Grandmaster Clockhouse Garden Room

    From £25.46 / month
    From£1,112
    Free delivery from Thu 30 May*
    View Product
  • Pressure Treated Duke Grandmaster Summerhouse

    From £26.95 / month
    From£1,177
    Free delivery from Thu 30 May*
    View Product
  • Diplomat Grandmaster Insulated Garden Room

    From £73.22 / month
    From£3,198
    Free delivery from Wed 12 Jun*
    View Product
  • Diplomat Grandmaster Summerhouse

    From £22.87 / month
    From£999
    Free delivery from Thu 30 May*
    View Product
  • Diplomat Offset Grandmaster Summerhouse

    From £22.90 / month
    From£1,000
    Free delivery from Thu 30 May*
    View Product
  • Grandmaster Clockhouse Garden Room

    From £22.87 / month
    From£999
    Free delivery from Thu 30 May*
    View Product
  • Duke Grandmaster Summerhouse

    From £22.90 / month
    From£1,000
    Free delivery from Thu 30 May*
    View Product
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