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
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part L1B
Conservation of fuel and power in Existing Dwellings
Our other services include:
Warning: Invalid argument supplied for foreach() in /data05/elite/public_html/Office.php on line 769
C4SH can also be known as:
Code for Sustainable Homes, Code for Sustainable Homes Daylight Calculation, Code Assessment, CSH, Sustainable Homes,
Copyright 2026 E2 Specialist Consultants Limited
Company No. 06728970
