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20 x 12 pressure treated buildings

Project Timber offers 20 x 12 Pressure Treated Buildings and...

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Showing 1–18 of 19 results

  • "Heavy-Duty Workspace"

    Grandmaster “Heavy Duty” D1000 Workshop Shed – Pressure Treated Tongue and Groove

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    From £1979

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £2499

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Apex Workshop Windowless Shed – Pressure Treated Tongue and Groove

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    From £1779

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Apex Workshop Shed – Pressure Treated Tongue and Groove

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    From £1979

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £2499

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Workshop Windowless Shed – Pressure Treated Tongue and Groove

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    From £1779

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £3499

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Workshop Windowless Shed – Offset Door – Pressure Treated Tongue and Groove

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    From £1779

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Workshop Shed – Offset Door – Pressure Treated Tongue and Groove

    View Product arrow-right
    Select options
    From £1979

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £2249

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    10 x 8 12 x 8 16 x 8 8 x 10 10 x 10 12 x 10 16 x 10 20 x 10 12 x 12 16 x 12 20 x 12

  • "16mm Upgrade Available"

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

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    From £2749

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • Grandmaster “Heavy Duty” D1000 Workshop – with Side Door – Pressure Treated Tongue and Groove

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    From £2179

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £5639

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16

  • Pressure Treated Evolution Insulated Garden Room

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    From £6989

    FREE delivery from

    Jan, 17th Fri*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12

  • "16mm Upgrade Available"

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

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    From £5539

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16

  • "16mm Upgrade Available"

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

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    From £5739

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    16 x 9 20 x 9 16 x 12 20 x 12 16 x 14 20 x 14 16 x 16 20 x 16

  • Grandmaster “Heavy Duty” D1000 Workshop Windowless – with Side Door – Pressure Treated Tongue and Groove

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    From £1979

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    8 x 8 10 x 8 12 x 8 14 x 8 16 x 8 18 x 8 20 x 8 22 x 8 24 x 8 8 x 10 10 x 10 12 x 10 14 x 10 16 x 10 18 x 10 20 x 10 22 x 10 24 x 10 8 x 12 10 x 12 12 x 12 14 x 12 16 x 12 18 x 12 20 x 12 22 x 12 24 x 12 8 x 14 10 x 14 12 x 14 14 x 14 16 x 14 18 x 14 20 x 14 22 x 14 24 x 14

  • "16mm Upgrade Available"

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

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    From £5625

    FREE delivery from

    Jan, 13th Mon*
    In Stock

    Sizes

    12 x 16 14 x 16 16 x 16 20 x 16 12 x 20 14 x 20 16 x 20
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