At NOVA Acoustics Ltd, we carry out nationwide UKAS Accredited Sound Insulation Testing and provide reports for submission to your building control officer. Part E of the Building Regulations for England and Wales, requires sound testing to be carried out in all new-build dwellings and conversions that create two adjoining dwellings with either separating walls or floors. We are here to help your project run smoothly, so call us now for a free no obligation quotation.

Sound testing is a carried out to ensure your development demonstrates acceptable levels of airborne and impact sound insulation performance outlined in approved document E of the Building Regulations. To ensure you property is fuly compliant, one of the following is required:

  • Pre-completion testing
  • Build to robust details

We advise you contact us early in your project to give you the highest chance of passing.

The amount of separating walls and floors that are tested in your development depends on the quantity & type of dwellings, as well as the method of construction of each partition. If the method of construction of each separating partition is similar and there is under 10 dwellings, 1 standard set of sound tests comprises of:

  • 2 Airborne Wall Tests
  • 2 Airborne Floor Tests
  • 2 Impact Floor Tests

The amount of testing is reduced or increased depending on the type and quantity of dwellings. For example, a development of 4 identical terraced houses will require 1 set of sound tests comprising of 2 Airborne Wall tests.

Before we come to carry out your sound testing we need to ensure the building is complete to be able to achieve the highest performance possible. The following criteria should be followed to provide you with the best chance of passing your sound test:

  • Windows & external doors must be installed, glazed and closed
  • Ventilation systems should be installed and closed
  • Internal doors should be hung
  • Walls, floors and ceilings must be completed
  • Skirting boards, electrical sockets and light switches should be fitted
  • To test Impact sound transmission, there must be no cosmetic floorings fitted
  • Rooms in which testing is to be carried out should be empty and tidy
  • No trades should be working in the dwelling during the test
  • Access to the properties on both sides of the separating partition is required
  • There must be no noisy operations around the test properties during testing
  • 240v (50Hz) mains power is required within the dwellings

Our sound testing fees offer value for money and quality of service; we take pride our acoustic testing services and the customer always comes first. We charge a ‘site fee’ which covers the engineer, equipment and reporting, then each test is charged separately to minimise your expenses. We can also provide impressive savings for bulk-testing and returning customers. If the property fails, we only charge a ‘site fee’ for the re-test. For an instant, no obligation quotation, get in touch now!

In the event of a failed test we offer free design advice and a discounted re-test. During your sound test the engineer will be able to provide you with a good indication if it is likely the test will fail.

In the relatively rare event of your test failing, one of our experienced acoustic consultants will review the construction and provide advice on cost-effective solutions to achieve the appropriate standard. Remedial works can be expensive, so it is best to get the job right first time.

An airborne test measures the resistance to the passage of airborne sound through a separating wall or floor. It uses an omnidirectional loudspeaker placed on one side of the separating wall or floor, which produces a steady level of pink noise. This provides an indication of the performance of the partition for a variety of different sounds; this is because pink noise consists of an even level of sound in all frequencies. The level of noise produced by the loudspeaker is measured on both sides of the wall or floor being tested. The difference between the levels measured on each side of the wall shows the amount of sound stopped by the wall or floor. The difference calculated is then corrected depending on the reverberation time of the rooms and background noise. This provides the airborne sound insulation result.

The impact sound transmission of a separating floor is tested using a tapping machine which simulates footfall. The tapping machine is placed in the upper of the test rooms and the resultant noise received in the room below is measured (this is called the impact sound transmission level). The level measured is then corrected depending on the reverberation time of the rooms and background noise, to provide the impact sound insulation result.

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Sound testing in your area…

Sound testing and Acoustic Testing companies carry out sound and acoustic testing on residential developments for both new builds and conversions. Sound testing companies carry out acoustic testing in compliance with Part E of the Building Regulations. This regulation ensures that new build and converted properties have an appropriate amount of sound insulation or sound proofing between them. Sound testing on flats is carried out to ensure airborne sound and impact sound does not transmit between the separating floors between the two dwellings. Floor sound testing requires both airborne and impact testing to be carried out and take approximately 1 hour per floor tested. Sound testing on houses is carried out to ensure airborne sound does not transmit between the party wall. Party Wall sound tests require access to both properties and will take approximately 30 – 40 minutes per test.

Part E of the building regulations requires sound testing companies to be accredited to carry out testing, sound testing companies can ONLY be accredited by UKAS or the ANC. UKAS accredited sound testing companies will have a UKAS testing logo and UKAS testing accreditation, they will also have to state the accreditation number on the reports they provide. If they are not UKAS or ANC accredited then your building control officer will not accept the certificate and you will have to get your property re-tested. Sound testing for building regulations is carried out in compliance with Part E and thus refer section 0.4 to ensure you are using an appropriate company.

Many sound and acoustic testing companies operate nationwide, NOVA Acoustics has three offices in Leeds, Manchester and London to ensure we can carry out acoustic tests at short notice in any location across the UK. NOVA Acoustics will always endeavour to carry out your sound test as fast as possible and as quick as possible to ensure your property is signed off in time. Our Leeds office operates as far as Middlesbrough, Hull, Nottingham and Sheffield and we can provide fixed rate testing so you don’t have to pay for travel time or diesel. Our Manchester office is able to cover North Wales and the North West including Lancashire, Blackburn, Burnley, Stoke, Birmingham and the West Midlands. Our London office primarily carries out sound testing in London, however we can travel further afield to Bristol, Milton Keynes, Cambridge and Oxford.

Sound testing costs can vary significantly on the number of properties. the layout of the dwellings and the type of construction details used. All these factors affect the quantity of sound tests that is required and thus the sound test cost will vary dependent on the site. We are committed to providing low cost sound testing nationwide with our prices starting at £275 + VAT. NOVA Acoustics can also offer acoustic design advice and acoustic consultancy on your project.

If you are looking for a low cost, friendly and fast service then call NOVA Acoustics.

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