The COMPLETE KIT offers a finished room in one installation package.

Supplied in premanufactured and prefinished closed timber frame panels and SIP floor panels, the complete kit offers a unique and easy to assembly solution.

The structural envelope is finished internally with MDF lining and is supplied with all of the breather membrane and cladding required to finish externally.

Rooms can be selected as a set size from our ‘off the shelf’ range.


  • Sips panels to construct floor
  • Reinforced timber frame walls and roof
  • Floor bearers
  • Breather membrane
  • Screws and fixings
  • Assembly instructions
  • UPVC glazing
  • External cladding
  • EPDM rubber roof kit
  • Guttering and downpipe
  • Internal decorative MDF panelling
  • Laminate flooring, and underlay
  • Skirting and architrave
  • Floor and roof insulation 100mm
  • Wall insulation 75mm

Floor thickness: 122mm

Wall thickness: 97mm

Roof thickness: 122mm


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Tanalised Redwood is a popular timber frequently used for garden buildings. Durable and cost effective, Tanalised Redwood is our standard timber.


Thermowood is manufactured by heating premium quality Redwood to very high temperatures. Preservatives are injected into the wood to ensure durability and zero maintenance.


Western Red Cedar is a perfect choice for any Future Room and is a natural timber with a beautiful, aesthetic quality. It is naturally resistant to decay and will simply weather over time. Left untreated the Cedar will silver and weather into a beautiful natural finish.