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  • Ventilation testing

Part F Building Regulations Ventilation Testing

**BSRIA Guide** Download for free BSRIA's new guide on Domestic Ventilation Systems (simple registration required if you are not already logged onto the site).


BSRIA uses the necessary UKAS calibrated equipment and all our engineers have successfully completed the BPEC Domestic Ventilation course
Part F Building Regulations 2010 introduced the requirement to verify practical performance of ventilation in new dwellings against design. This requires validation of airflow measurements for every dwelling constructed under this edition of the Building Regulations as well as ensuring that the system has been configured correctly.

BSRIA provides a cost-effective ventilation testing service which can be conducted alongside our airtightness and sound insultation testing for minimal site disruption. We provide:

  • nationwide coverage with regionally based engineers
  • fully accredited engineers to provide certification recognised by Building Control
  • rapid response and immediate results

The tests must be undertaken using UKAS calibrated equipment and should be conducted by an engineer registered with a competent scheme with respect to "domestic ventilation technologies". Where the engineer undertaking the testing is not registered a 25% penalty will be applied within SAP. All BSRIA Compliance engineers have successfully completed the BPEC Domestic Ventilation course.

These tests are required not only for system 4 (Continuous mechanical balanced system with heat recovery), but also for system 1 (Background ventilators and intermittent extract fans) and system 3 (Continuous mechanical extract).

In order to ascertain the correct ventilation rates required BSRIA will need the following information:

  • SAP calculation worksheets for each dwelling
  • ventilation type
  • floor plans and sections for each dwelling
  • occupant schedule

BSRIA only uses methods as described in Domestic Ventilation Systems as this is the only way to cost effectively obtain accurate readings. Also see video below for explanation.

Contact us on 0800 5871000 or compliance@bsria.co.uk for a quote and to book your test.


Part F - Ventilation measurement techniques: An investigation into (Method A) Powered flow hoods and (Method B) Vane anemometer & hood assemblies. Click to play video.