Offices Nationwide

Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
Part L1B
Conservation of fuel and power in Existing Dwellings

Our other services include:
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C4SH can also be known as:
Code Assessment, Code for Sustainable Homes Daylight Calculation, Sustainable Homes, Code for Sustainable Homes, CSH,
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Company No. 06728970
In County S
C4SH - Code For Sustainable Homes in Shropshire, C4SH - Code For Sustainable Homes in Somerset, C4SH - Code For Sustainable Homes in South Yorkshire, C4SH - Code For Sustainable Homes in Staffordshire, C4SH - Code For Sustainable Homes in Stirlingshire, C4SH - Code For Sustainable Homes in Strathclyde, C4SH - Code For Sustainable Homes in Suffolk, C4SH - Code For Sustainable Homes in Surrey, C4SH - Code For Sustainable Homes in Swansea County,