Addlite Logo PNG - Rectangle Site Logo

Building Regulations Ventilation – Approved Document B UK Building


The approved documents are practical guidance issued by the government on how to fulfill the requirements Building Regulations 2010 for England. Following these regulations is necessary when planning a construction project, and the series of document are essentially a list of practical dos and don’ts in constructing an infrastructure.

The ventilation system is a very necessary and useful component of the HVAC system in our homes. It ensures the proper flow of air in and out of a building. This system is a must in improving the air quality in our living spaces. Ventilation systems are also responsible for allowing the smoke to escape outside. In case of fire breaking out, a properly installed ventilation system helps to stop the fire from spreading out quickly, enabling firefighters to fight and control fire in its early stages, provide safe escape routes for occupants, providing escape routes to the spoke to the outside and decreasing the risks of smoke inhalation, etc.

A properly working ventilation system is needed for:

  • Cycling the air through the whole building
  • Swapping the unclean air with clean, pollutant air
  • Supplying safe air for breathing
  • Filtering out pollutants, bacteria, and other harmful allergens
  • Controlling the humidity level to remove excess moisture from living space to prevent bacteria and mold growth
  • Controlling temperature in the building
  • Letting the smoke escape from the house produced by burning appliances


The Approved Document B is specifically issued for the fire safety and ventilation related regulations. It clearly lays out the rules and guidance plan to ensure the safety of the occupants as well as decreasing the damage done to the building and its contents by fire. Ignoring and not complying with these documents can have serious consequences for the occupants.

Want to update your ventilation system? Visit the Addlite and Access’s official website and check out the latest products, including AOV Smoke Ventilation System, Automatic Smoke Vent Roof Hatch, and AOV Smoke Vent Rooflight. We do not compromise on quality and will be available to respond to any inquiry you may have.

Smoke Ventilation Systems

Certified and tested to the latest standards.
From £1,160

You might also enjoy

Get in touch

Our team is always here to help. Whether you have questions about our products or would like to request a quote, we’re happy to assist you in any way we can.