Offices Nationwide

The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

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
Part E
Resistance of the Passage of Sound

Northamptonshire - Display Energy Certificate - 0121 381 0129
The office that covers this area is: Birmingham
The towns & cities that are covered within this county are:
Brackley, Burton Latimer, Corby, Daventry, Fotheringhay, Higham Ferrers, Irchester, Irthlingborough, Kettering, Northampton, Oundle, Rothwell, Rushden, Stoke Bruerne, Thrapston, Towcester, Wellingborough,
Phone Number: 0121 381 0129 Email: northamptonshire@e2consultants.co.uk
Our other services include:
Display Energy Certificate can also be known as:
DEC,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970