apex Timber Frames

Apex Timber Frames are specialists in the field of factory built timber frame design and build.

We are here for all aspects of timber frames in Cornwall, new builds, self builders, developers, supply and erecting timber frames.

Either supply only kits or full supply and erect


Design, built and supplied from Cornwall

Wednesday 1st March 2017

Open Cell


Open cell timber frames:


Our open cell timber frames are constructed from Vac Vac treated 140mm x 38mm CLS timbers with 9mm structural OSB and finished with reflective Thermo efficient breather paper





Open cell timber frames are supplied 'open' for you to fill with insulation yourself


Closed Cell


Closed cell timber frames:


Our closed cell timber frames are the same basic construction as the open cell but with the addition of; full filled factory insulation. The inner face is then closed with 9mm structural OSB, a VCL (Vapour Check Layer) is fitted and then 25mm service void battens are added. All joints are taped to improve the air tightness testing.


Closed cell timber frames are factory insulated giving you a typical U value of 0.22 to 0.19 W/M2K

Full turn key solutions


With our in-house sister building & construction company we can offer a full turn key building solution.

Please call our office for a fully detailed build quotation that covers all your needs - from footings to finish

  • Foundations
  • Drains
  • Slab
  • Timber frame
  • Block & render
  • Roofing
  • Windows
  • Internal fitment
  • Stairs
  • Kitchens
  • Electrics
  • Plumbing
  • Decorating
  • Landscaping
  • Sign off

Copyright Apex Timber Frames - 2015 - 2017

In-house architecturaldesign


Don't spend silly money on expensive Architectural fees - why not get a quotation from our in-house design department for your design and planning. We will sit down with you and provide 2D & 3D conceptional designs that are ready for planning submission.



  • Planning design and submissions
  • Full building regulation submissions
  • Project management
  • Project budgeting & costing

Free quotations



All we need to give you a no obligation quotation is your Cornwall Council planning department planning reference number. Usually starts PA.


Call or email


t: (01726) 891 425

e: design@apextimberframes.co.uk