Approved Document F provides guidance on meeting building regulations that specifically apply to ventilation. It states that adequate ventilation needs to be provided to prevent excess condensation buildup which could damage the structure of the property. It also ensures then, that air properly flows through the property maintaining good levels of indoor air quality.
When building a new property it is important to comply with requirements in building regulations for installation, inspection, testing, commissioning and provision of information when installing fixed ventilations systems in your new and existing property. Approved Documents provide guidance on how to meet these building regulations.
Due to the increasing complexity of the Regulations, ventilation strategies and system design must be considered at the earliest stages of building design.
In England and Wales, requirements for ventilation are contained in Approved Document F and can be downloaded from www.planningportal.gov.uk. The Building Regulations Approved Document F 2010 considers ventilation through a combination of infiltration and purpose-provided ventilation. Regulations are constantly being reviewed, with the aim to improve building standards, so it is worth checking the Planning Portal website for any updates to Building Regulations.
A uncontrollable air exchange between the inside and outside of a building.
A controllable air exchange between the inside and outside of a building.
Approved Document F looks at different systems for ventilation. The performance rates for each of the “System” approaches set out in Approved Document F are the minimum requirements needed to ensure that adequate air quality is provided for people indoors. The occupant's health could be at risk if these ventilation rates are compromised.
The following systems are outlined which satisfy the performance standard: