Residential acoustics ensures dwellings (including multiple occupancy)  meet the acoustic performance levels required by law.

Poor residential acoustics can lead to:

            • Sleep deprivation
            • Detrimental effect on health and well being
            • Loss of privacy
            • Overheating and poor ventilation
Performance Levels and Standards

Approved Document E relates to the Acoustic: Resistance of Sound requirements to comply with Building Regulations.  It is enforced by Building Control and Planning Officers before the building can be signed-off.

Further information can be found on the government website under The National Planning Policy Framework.

Typical residential problems

Residential acoustics involves specific acoustic problems and the effect of these on the occupiers of a dwelling.

Airborne Sound – Noise that is transmitted through the air once created, such as from a TV or music system. Stopping airborne noise is relatively easy and requires mass to be placed between the noise source and receiver and applies to both walls and floors.

Impact Sound – Noise created when an object impacts on the floor (does not apply to walls) and as a result is transmitted to the space below. Whilst mass can help, the best solution is to introduce mechanical separation between the floor and ceiling layers.  

Flanking Transmission – Is caused once gaps or weaknesses are left in the partition construction either through poor design or workmanship. These gaps allow for sound to pass around the partitions.

Equipment required for testing residential properties for Sound Insulation
Internal walls need to be specified and constructed to meet the performance demands expected of them
How can we assist?

Sound Insulation – To ensure that all partitions (walls and floors) meet the required performance levels, 1 in 10 properties on each development will require  Sound Insulation Testing (unless built to Robust Detail) to meet planning requirements.

Overheating and Ventilation – Based on the Institute of Acoustics (IOA) publication of the AVO Guide (Acoustics, Ventilation and Overheating) we can offer additional advice on this subject.

Site Evaluation –  Undertaking environmental noise impact assessments to ensure the site and dwelling designs will meet acoustic requirements. These assessments are not part of the planning consent for sign-off and would be conducted prior to Planning Permission being granted.

Meeting Approved Document E for all residential properties

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