Timber frame extensions

Prefabricated Panel system

Prebricated Panel system

  • Exact measurements are taken from a survey of your site
  • A bespoke frame kit is custombuilt to fit your site in our workshop
  • The structural frame is installed giving a water tight structure quickly & neatly
  • Finishes are fitted as requsted

Site survey

Initial measure of your site.

The exact dimensions are calculated.

Combined with the Architects design and converted in to Engineers drawings they are prepared for the manufacturing process.

Ground work

Foundations are excavated, services are laid and the sub structure is prepared.

This is almost identical to traditional buildings, where the  ground is set for the build of the house.


A bespoke frame is custombuilt for your project.

Building in the controlled environment of our workshop helps improve quality & accuracy and reduces potential delays such as bad weather.

Installing the Frame

The frame is delivered and installed on to the prepared foundations. The buildings large panels are systematically connected, with a neat structure ready in days.

Roofing & Insulation

The frame is made watertight by topping it with its roof - either a pitched or flat roof.  A combination of the appropriate insulation & airtight membranes keep out all the weather and allow the building to breathe. This  ensures a long building lifespan.

Achieve your vision

Planning your new home from the start gives a more seamless installation of fittings such as kitchens. The building will  be custombuilt to accomodate how you envisage the finished rooms  

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Contact us

Telephone: 0114 2556141

E-mail:  info@custombuiltltd.co.uk

Address: Cavill Road, Sheffield, S8 8RJ