Offices Nationwide

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...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!
Welwyn Garden City - Sustainable Homes - 020 3390 0301
The office that covers this area is: London
Phone Number: 020 3390 0301 Email: welwyn-garden-city@e2consultants.co.uk
Our other services include:
Sustainable Homes can also be known as:
C4SH, Code for Sustainable Homes, Code for Sustainable Homes Daylight Calculation, CSH, Code Assessment,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970