Offices Nationwide

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!

Sound Insulation
Two parameters describe sound insulation; Dw and Rw. Dw is the insulation between rooms. Rw is the lab-tested insulation of a wall/floor...more
Part L1B
Conservation of fuel and power in Existing Dwellings

County Londonderry - CSH - 0141 894 0107
The office that covers this area is: Glasgow
The towns & cities that are covered within this county are:
Aberfoyle, Coleraine, Eglinton, Limavady, Londonderry, Magherafelt, Portstewart,
Phone Number: 0141 894 0107 Email: county-londonderry@e2consultants.co.uk
Our other services include:
CSH can also be known as:
C4SH, Code for Sustainable Homes, Code for Sustainable Homes Daylight Calculation, Code Assessment, Sustainable Homes,


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