Improving ventilation in new buildings
Note: This is our original regulation update text, published on 8 February 2006. Unlike the rest of our site, this archived material is not updated if the law changes.
Relevant to
All sectors of the construction industry, building maintenance contractors, designers and manufacturers
Took effect on
6 April 2006
From 6 April 2006, new Building Regulations guidance will cover the provision of ventilation systems in buildings. It is based on the performance of the building as a whole and does not lay out rules for each part, such as ventilator sizes.
The new guidance will apply in England and Wales. Separate legislation and guidance apply in Scotland and Northern Ireland. They are not as yet amended.
Approved Document F describes four typical ventilation systems for dwellings. It also shows how to work out whole building ventilation rates.
You will have to make sure that ventilation systems in new residential and non-residential buildings perform at a level that will, under normal conditions:
- provide the required air quality
- limit the build-up of moisture and pollutants
- not harm the health of people in the building
- reduce energy use through efficient fan motors, energy saving controls and/or heat recovery devices to satisfy Part L of the regulations
If you make any material change in the use of an existing building, the guidance may apply to either the whole building or the part that has been changed. Also, all replacement windows will have to have trickle ventilators or an equivalent means of ventilation.
You will also have to think about energy efficiency and the airtightness of the building envelope when you plan ventilation systems. You can find new guidance on these topics in the Approved Documents for Part L of the regulations.
Full title of regulation
Building Regulations 2000 (Part F)
From
Communities and Local Government
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