Understanding BS4142

BS4142 is a standard for assessing and managing industrial and commercial sound in the UK, offering a systematic approach to evaluating sound levels and their potential impact on nearby noise sensitive receptors.

The standard outlines procedures for measuring ambient noise levels, rating specific sound sources, and comparing sound levels to assess potential impact, helping to mitigate noise complaints and support planning decisions.

BS4142 is used by acoustics consultants, environmental health officers, industrial and commercial operators, urban planners and legal advisors, and has been updated to BS4142:2014+A1:2019 to reflect advances in measurement techniques and acoustic characteristics.