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Free delivery
on selected postcodes
0% interest finance
50 years experience
Made in Great Britain
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Insulated Garden Buildings

Create your own comfortable garden retreat, garden office or a hobby room with our insulated garden buildings. Fully insulated garden sheds allow you to enjoy your garden whole year round. Regardless of the weather seasons, our high performance insulation kits provide maximum insulation solution keeping your garden buildings cooler inside on summer and warm on winter days.  The multi-foil insulation creates double pockets of air each sides locking in the temperature.

Our multi-foil insulation is:

  • Non toxic and non irritant
  • CFG and HCFC Free
  • Requires no special clothing or equipment

The insulation kits contain:

  • Multi-foil insulation blanket
  • Staple gun
  • Knife and sealing tape
  • TG Timber boards and battens
  • Covers the whole building

Our insulation kit is  quick , easy to install and covers any building you desire. Our online videos will show you simple steps to follow for installation.

Buy only what you need, discover our huge range of insulated garden sheds now.

Showing all 12 results

  • Garden_Room_12x8_Composit_Cladding_Tongue_and_Groove_Roof_and_Floor_Windowed_03

    The Project Timber Evolution Insulated Garden Office

    From £195.51 per month
    Total£4,695
    Free delivery from Wednesday 20 June*
    From 10 x 8 to 20 x 12
    Multiple sizes available
    Easy composite cladding construction
    Multi purpose interior
    Fully insulated
    10 year anti rot guarantee
    View Product
  • Grandmaster_Alpine_Cabin_20x16_Shiplap_Tongue_and_Groove_Summerhouse_01 - LS

    Alpine Grandmaster Summerhouse

    From £88.75 per month
    Total£2,130
    Free delivery from Wednesday 20 June*
    From 16 x 9 to 20 x 16
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    View Product
  • Evolution_14x12_Offset_Door_Composite_Cladding_TG_Roof_and_Floor_01

    The Project Timber Evolution Offset Door Insulated Garden Office

    From £153.92 per month
    Total£3,695
    Free delivery from Wednesday 20 June*
    From 14 x 8 to 20 x 12
    Multiple sizes available
    Easy composite cladding construction
    Multi purpose interior
    Fully insulated
    10 year anti rot guarantee
    View Product
  • 12 x 8 traditional windowed insulated apex grandmaster workshop shed

    Traditional Windowed Apex Insulated Grandmaster Workshop Shed

    From £137.00 per month
    Total£3,288
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    Fully insulated
    View Product
  • Grandmaster 12x8 Workshop Central Door 1 (4) (1)

    Pressure Treated Traditional Windowless Insulated Grandmaster Workshop Shed

    From £116.17 per month
    Total£2,789
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    15 year anti rot guarantee
    Fully insulated
    View Product
  • 12 x 8 Windowless Grandmaster Central Door Insulated Workshop

    Traditional Windowless Grandmaster Insulated Workshop Shed

    From £109.84 per month
    Total£2,638
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully insulated
    View Product
  • Grandmaster Central Door Workshop TG Roof and Floor

    Traditional Windowed Insulated Grandmaster Workshop Shed

    From £128.59 per month
    Total£3,088
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    Fully insulated
    View Product
  • Monte_Carlo_12x6_Solid_Sheet_Roof_and_Floor_insulation_standard_01 (1)

    Insulated Monte Carlo Summerhouse

    From £77.59 per month
    Total£1,864
    Sizes
    8 x 6
    10 x 6
    12 x 6
    Free delivery from Wednesday 20 June*
    From 8 x 6 to 12 x 6
    Multiple sizes available
    Our signature shiplap cladding
    Easy and strong T&G construction
    French doors
    Multi purpose interior
    10 year anti rot guarantee
    Fully insulated
    View Product
  • Grandmaster 16x10 Workshop Central Door 1 (1)

    Pressure Treated Traditional Windowed Grandmaster Insulated Workshop Shed

    From £154.01 per month
    Total£3,699
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    15 year anti rot guarantee
    Fully opening windows
    Fully insulated
    View Product
  • 10ft x 6ft insulated pressure treated monte carlo summerhouse shed

    Pressure Treated Insulated Monte Carlo Summerhouse

    From £81.92 per month
    Total£1,967
    Sizes
    8 x 6
    10 x 6
    12 x 6
    Free delivery from Wednesday 20 June*
    From 8 x 6 to 12 x 6
    Multiple sizes available
    Our signature shiplap cladding
    Easy and strong T&G construction
    French doors
    Multi purpose interior
    15 year anti rot guarantee
    Fully insulated
    View Product
  • 8ft x 8ft insulated pressure treated cannes summerhouse shed

    Pressure Treated Insulated Cannes Summerhouse

    From £84.08 per month
    Total£2,018
    Sizes
    8 x 8
    10 x 8
    12 x 8
    Free delivery from Wednesday 20 June*
    From 8 x 8 to 12 x 8
    Multiple sizes available
    Our signature shiplap cladding
    Easy and strong T&G construction
    French doors
    Multi purpose interior
    15 year anti rot guarantee
    Fully insulated
    View Product
  • diplomat-new day scene-a

    Diplomat Grandmaster Insulated Garden Room

    From £133.25 per month
    Total£3,198
    Free delivery from Wednesday 20 June*
    From 12 x 8 to 20 x 12
    Mortice lock and lockable windows
    Extra tall inside
    Stronger and taller double doors
    16mm cladding upgrade
    10 year anti rot guarantee
    Fully opening windows
    Fully insulated
    View Product
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