Over 9 Years Experience In The Industry

Jay T Timber Frames are specialists in the field of factory built timber frame design and build. Please call for a FREE quotation.

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Architectural Design

With our in-house architectural design we can offer solutions that are fit for any purpose. Please call for a FREE quotation.

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Local Family Business

We provide the best value which always includes our friendly and professional service. Please call for a FREE quotation.

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Open Cell

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

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

Architectural Design

With our in-house architectural design team we can provide a solution the will fit any project.

In-house Architectural Design

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

Jay T 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

FREE Quotations

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