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20 x 12 Summerhouses

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  • "16mm Upgrade Available"

    Grandmaster Diplomat “Classic” G1000 Summerhouse – 11mm Pressure Treated Tongue and Groove

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    From £2499
    £1,749

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Diplomat “Classic” G1000 Summerhouse – Offset Door – 11mm Pressure Treated Tongue and Groove

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    From £2499
    £1,749

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Clockhouse Classic G1000 Summerhouse – 11mm Pressure Treated Tongue and Groove

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    From £3499
    £2,449

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Duke “Classic” G1000 Summerhouse – 11mm Pressure Treated Tongue and Groove

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    From £2249
    £1,574

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Diplomat “Classic” G1000 Summerhouse – Long Window – 11mm Pressure Treated Tongue and Groove

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    From £2749
    £1,924

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Alpine G1000 Summerhouse Cabin – 11mm Pressure Treated Tongue and Groove

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    From £4875
    £3,413

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Alpine G1000 Summerhouse Cabin – Plain Side – 11mm Pressure Treated Tongue and Groove

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    From £4749
    £3,324

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Alpine G1000 Summerhouse Cabin – Long Windows – 11mm Pressure Treated Tongue and Groove

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    From £4999
    £3,499

    FREE delivery from

    Jul, 22nd Mon*
    In Stock
  • "16mm Upgrade Available"

    Grandmaster Diplomat Pavilion G1000 Summerhouse – 11mm Pressure Treated Tongue and Groove

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    From £5625
    £3,938

    FREE delivery from

    Jul, 22nd Mon*
    In Stock