Sound Insulation Testing

Conversion Sound Test

Building Compliance Testing Limited can provide you with a fast and cost effective SITMA Accredited Pre-Completion Sound Insulation Testing across Mainland UK, in accordance with BS EN ISO140 and BS EN ISO16283.

 Sound Insulation Testing

also known as acoustic testing, or pre-completion testing, testing must be carried out on new build properties as well as converted properties to demonstrate compliance with Approved Document E. A property will either require an Airborne test or an Airborne and Impact test. Airborne tests are carried out on separating walls and floors between habitable rooms of flats and houses which consists of placing a loudspeaker in one room for a steady source of noise. Several measurements are taken around the speaker. Measurements are then taken on the other side of the wall or floor. Impact tests are carried out on the separating floors between habitable rooms of flats and consist of a tapping machine is placed on the floor and measurements are taken in the room beneath. The tapping machine is placed on in 4 random location within the source room. Please ensure carpet is removed for this part of the test and access available to both sides of the floor.

Typically each test takes between ten to twenty minutes to complete. This all depends of the size of the building, the test locations, the ability to create stable sound field and unfortunately the uncontrollable influence of environmental noise.

A Conversion Sound Test is a specific acoustic evaluation conducted when existing buildings, such as offices or industrial spaces, are converted into residential units or mixed-use developments. The test is carried out to assess and ensure compliance with sound insulation requirements, which are crucial for maintaining the acoustic privacy and comfort of occupants in the newly converted spaces. During the test, various acoustic parameters, such as airborne and impact sound transmission, are measured to confirm that the building meets the standards and regulations for sound insulation. Conversion sound tests help identify potential issues, such as inadequate soundproofing between dwellings, and allow for necessary modifications to be made to create a quieter and more comfortable living environment.

Whether your requirements is for a domestic retrofit, residential or commercial development, Building Compliance Testing can support you from concept to completion by offering a one-stop-service service:

design reviews – site inspections – pretesting – intensity testing – site management training and education 

Other Services

We can also offer a variety of other specialist services through our Partners, including:

– Full Design Reviews and Specifications

– BB93 Acoustic Design of Schools

– BREEAM Internal Ambient Noise Limit (IANL) Measurements 

-Reverberation Time (RT60) Measurements

Frequently Asked Questions

How do I prepare for a Sound Insulation Test?
  • Ensure 240v mains electrical outlet is available in all rooms to be tested.
  • Access to site is safe and to all the rooms throughout the building. If the adjacent dwelling is under
    different ownership it is your responsibility to ensure access is available for the testing.
  • All rooms where testing is to occur is vacated of all trades during the sound test.
  • All site staff are made aware of the sound test and the requirement to keep background noise to a
  • Any noisy building work in the vicinity of the sound testing will need to be stopped. This can be ground
    works, cleaning, paining, radios or beeping smoke alarms.
  • Ventilation extractor systems are to be turned off during the sound test.
  • For the impact test carpets are removed.
    The rooms in both sides of the separating element is ≥ 25 m3.
  • A set of sound test consists of two airborne wall tests, two airborne floor tests and two impact tests. This
    applies where the same construction in the walls and floors are used throughout the building. If different
    construction is used, then more sound tests will be required.

We’re friendly and knowledgeable bunch so why not get in touch for a chat. You can always contact Building Compliance Testing with any questions through phone, email or our online chat service.

Don’t worry, we don’t charge for advice given over the phone, so why not ask for a free quote?

01621 493 594 |

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Questions? We've Got Answers!

Find below a list of common frequently asked questions about Air Permeability Testing.