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Sound Insulation Test Certificate

A Sound Insulation Test Certificate records the measured sound insulation performance of walls and floors between dwellings. Required under Building Regulations Part E for new builds and conversions, the test is carried out by an accredited tester.

Building Regulations Approved Document E, BS EN ISO 16283Valid: One-off (at completion)

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Sample Sound Test certificate

Sample Sound Insulation Test Certificate certificate created with CertBox, showing the professional PDF layout with airborne sound insulation test results (dnt,w), impact sound insulation test results (l'nt,w), test method and equipment calibration

Sample Sound Test with fictional data. All personal details shown are fake.

What it covers

  • Airborne sound insulation test results (DnT,w)
  • Impact sound insulation test results (L'nT,w)
  • Test method and equipment calibration
  • Pass/fail against Part E requirements
  • Separating element construction details

Who needs a Sound Test?

New build developers
Conversion projects
Building Control

Create your Sound Test with CertBox

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Frequently asked questions about Sound Test

When is a sound test required?
For all new-build dwellings and conversions where there is a separating wall or floor between habitable rooms of different dwellings. Detached houses only need testing if they share a wall with another dwelling.
What are the Part E pass criteria?
For airborne sound through walls: minimum DnT,w of 45 dB. For airborne through floors: minimum 43 dB. For impact sound through floors: maximum L'nT,w of 62 dB (purpose-built) or 64 dB (conversions).

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