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 E
Resistance of the Passage of Sound

London - C4SH - 020 3390 0301
The counties covered by this office are:
Hertfordshire, East Sussex, London, , Kent, Middlesex, Surrey, Essex, Berkshire, Oxfordshire,
Phone Number: 020 3390 0301 Email: london@e2consultants.co.uk
Our other services include:
C4SH can also be known as:
CSH, Code for Sustainable Homes Daylight Calculation, Sustainable Homes, Code Assessment, Code for Sustainable Homes,


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Company No. 06728970