Stock Buildings

We offer a selection of energy-saving SIP Garden Room building kits. All of our building kit structures are made from SIPs, which are created by injecting Polyurethane insulation between two sheets of OSB3.


Bare Kit includes:

  • 97mm Wall & Floor SIPs Prefabricated
  • 122mm Roof SIPs Prefabricated
  • Timber/SIP Joining Splines
  • Structural Treated Timber
  • Steel RSJ (Only for Bi-fold Door option)
  • Timber Window & Door Aperture Linings
  • Angled Roof Firrings
  • Breather Membrane
  • Adhesives
  • Fixings
  • Assembly Guides

Full Kit includes:

Includes all items in the bare kit, including the following additional items:

  • Cladding Kit:
    Thermowood Cladding
  • Decking Kit:
    HD Deck Dual® plus Timbers & Fixings
  • EPDM Roofing Kit:
    EPDM plus Glues, Trims & Fixings
  • UPVC Windows & Doors

Made with SIPs

All of our kits are made from Structural Insulated Panels (SIPs) which we manufacture by injecting highly insulated Polyurethane between two sheets of structural OSB3. The panels form the floor, walls and roof creating an incredibly rigid, highly insulated passive standard structure.

The result is a building system that is extremely strong, energy efficient and cost effective. Building with SIPs will save you time, money and labour.

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Space One

Available in sizes:

  • 2.6 x 2.4m
  • 2.6m x 3.6m
  • 2.6m x 3m

Space Two

Available in sizes:

  • 5m x 3m
  • 5m x 3.6m

Space Three

Available in sizes:

  • 6.3m x 3m
  • 6.3m x 3.6m

Space Four

Available in sizes:

  • 7.5m x 3.6m

Ready to take the next step?

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We're here to help you find the perfect solution for your needs. Simply provide us with some details, and let's start the conversation!