Updated ventilation standards for dwellings took effect on 15 June 2022, and responsibility for compliance now rests explicitly with the building contractor, sub-contractor or installer carrying out the work1. The trade association BEAMA, which represents energy infrastructure and systems manufacturers, set out that position in three bitesize guides published on 26 October 2022 to help installers understand and implement Part F (ventilation) of the Building Regulations1.
The guidance is titled "New Regulatory Requirements For Ventilation In Existing Homes And Your Responsibility" and is broken into three parts: ventilation requirements when undertaking energy efficiency measures; selecting and installing suitable extract ventilation; and commissioning new or upgraded ventilation installations in dwellings1. BEAMA said the guides arrive at a critical time, as homes are made more efficient amid the cost of living and energy crisis, and warned that adding insulation without considering ventilation at the same time could worsen mould problems1.
"As detailed in the new ventilation standards introduced on 15 June 2022, it is the explicit responsibility of a building contractor, sub-contractor or installer to ensure that all work complies with and meets building regulation requirements."
BEAMA states that following the correct procedures is crucial to meeting the latest technical performance standards, which are intended to ensure ventilation in a dwelling is safe and fit for purpose, under inspection from a buildings inspector or building control officer1. The association adds that where the performance or fitting of ventilation units or systems does not meet the required standards, indoor air pollutant levels may rise above safe levels, breaching regulations, and that high levels of such pollutants can contribute to conditions including asthma, heart disease, dementia and cancer1.
The standards apply to dwellings in England, where Part F of the Building Regulations sets ventilation requirements. Scotland and Wales operate separate building standards regimes, and the sources do not report any equivalent change to ventilation rules in those nations on 15 June 2022. The relationship between tighter insulation and glazing and adequate air change is the subject of the site's home ventilation guide.
Why it matters for households
Ventilation sits alongside insulation and heating as a determinant of how a home performs, and the two interact. A dwelling that is sealed and insulated without matching provision for fresh air and extract can trap moisture and pollutants, which is the risk BEAMA identifies in homes being upgraded for efficiency1. For a household, the practical consequence is that the paperwork and the physical installation both matter: the installer who fits an extract fan or a ventilation system is now the party explicitly answerable for whether that work meets the regulations, and for demonstrating it under inspection1. That shifts where responsibility sits if something is later found not to comply, and it means ventilation measures taken alongside energy efficiency work form part of the same regulated package rather than an optional extra. Households in flats and apartments face particular constraints, covered in the guide to ventilation in flats and apartments, while the wider duties falling on the trades carrying out the work are set out in installers, retailers and household energy independence.
What happens next
BEAMA published its three guides on 26 October 2022, more than four months after the standards took effect, to help installers implement Part F1. No further dated steps are reported in the sources.