Sound insulation post-completion testing in Scotland For small housing developments to commercial schemes

Section 5 of the Scottish Building Standards sets the performance standards and the requirements for post-completion testing of the separating walls and floors of attached new dwellings in Scotland.

Using our post-completion testing service gives you:

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Had a test from another supplier and failed?

Failure to meet the required minimum standards for sound insulation can result in substantial and costly delays. We can offer prompt remedial advice and re-testing. Find out how we can help:

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Planning another site?

Involve our acoustics team at the design stage of your project and they can help you achieve compliance and potentially save you money by optimising your acoustic specification.

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What are the requirements of Section 5 (Noise)?

With effect from 1 October 2010, Section 5 (Noise) of the Scottish Building Standards now includes a requirement for a post-completion sound insulation testing regime (where example constructions are not being used), and tougher sound insulation performance criteria, as shown on the table below.

Tests should be carried out in approximately one in 10 dwelling types (depending on size and make-up of the scheme).


Previous New build & Conversions (dB)

New build & Conversions (dB)

Increase from 2010

Airborne Sound (min DnT,w)
















Impact Sound (max L'nT,w)






When do you need the service and what's involved?

We usually carry out testing after second fix and before floor finishes (carpets, laminate, tiles etc) are laid. We recommend you book your provisional testing date(s) at design stage so that it's incorporated into your build programme. However, as a minimum, you should book 6 to 8 weeks before you need to clear any relevant Building Standards conditions.

Case Studies:

NHBC's testing service in Scotland is offered in association with RMP.

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