Offices Nationwide

How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more

Air Testing & Leakage
We have a checklist you can download for Air Leakage Testing. If you follow our air tightness checklist, this will improve your likelihood to achieve a pass!
Part L2A
Conservation of fuel and power in new buildings other than dwellings.

Clwyd - Sound Testing Part E - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: clwyd@e2consultants.co.uk
Sound Insulation Testing for new or refurbished dwellings
In compliance with Part E of the Building Regulation in Clwyd and nationwide, we actively encourage clients to seek our services at the earliest opportunity.
It is possible that the noise mitigation measures required in some instances, could dictate significant changes to external and internal layouts. Therefore our early involvement could remove the need for costly revisions.
As part of our service in Clwyd we can also offer advice on the additional requirements of Approved Document Part E including the control of reverberation in common areas and the performance of internal walls and floors.
E2 Consultants in Clwyd are specialists in the provision of high quality and practical acoustic consultancy to both the public and private sectors; typically working with residential and commercial developers, architects, planning consultants, industry, local planning authorities and environmental services.
Our consultants at Clwyd can guide you through the process to ensure the best possible chance of achieving sound test passes. Call 01978 633 079 or email clwyd@e2consultants.co.uk
Pre-Completion Testing
The following table outlines the sets of tests that are required for new and converted properties.
Property Types | Test Requirements |
Dwelling-houses Including bungalows |
Normally, one set of tests should comprise of two individual Sound Insulation Tests (SITs)(two airborne tests):1. Living room (wall) And 2.Bedroom (wall) |
Flats with separating floor but not walls |
Normally, one set of tests should comprise of four individual SITs (2 x airborn, 2 x impact): 1. Living room (Airborn), 2.Living room (Impact), 3. Bedroom (airborn) and 4. Bedroom (Impact) |
Flats with separating floor and walls |
Normally, one set of tests should comprise of six individual SITs (4 x airborne, 2 x impact): 1. living room/living room (floor, airborne), 2. living room/living room (floor, impact), 3. bedroom/bedroom (floor, airborne), 4. bedroom/bedroom (floor, impact), 5. living room/living room (wall, airborne) and 6. bedroom/bedroom (wall, airborne) |
Rooms for Residential Purposes |
To conduct a set of tests, the sound insulation between the main rooms should be measured according to the principals set out above for new buildings and material change of use, but adapting them to suit the circumstances. |
Warning: count(): Parameter must be an array or an object that implements Countable in /data04/elite/public_html/Office.php on line 755
For further Sound Testing Part E information for your area, be sure to check out Sound-Testing-Wrexham.co.uk.
Our other services include:
Sound Testing Part E can also be known as:
Sound Insulation Design Advice, Part E Sound Insulation Testing, Commercial Part E Testing, Commercial Part E, Part E Sound Testing, Commercial Part E Sound Insulation Testing, Commercial Sound Testing Part E, Part E, Part E Testing, Commercial Part E Sound Testing,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970