Written Question·Ministry of Housing, Communities and Local Government·UIN 103217

Air Pollution: Pollution Control

Tabled: 6 January 2026

Answered: 14 January 2026

Question

Tim Farron

Liberal Democrat — Westmorland and Lonsdale

To ask the Secretary of State for Housing, Communities and Local Government, what Government guidance there is on technical standards to be applied in dwellings and other buildings to improve indoor air quality.

Answer

Samantha Dixon

The government sets standards for indoor air quality mainly through Parts F (Ventilation) and L (Conservation of fuel and power) of the Building Regulations which apply primarily to new buildings with detailed guidance provided in Approved Documents. Appr...

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