Building Regulations

The main purpose of the Building Regulations are to secure the health and safety of people in and around buildings , promote conservation of fuel and provide access to buildings and facilities, for people of all abilities.


Building Regulations apply in England and Wales and exist principally to ensure the health and safety of people in and around buildings. They also provide for access to and around buildings and energy conservation. 



Building Regulations will may apply if you intend to carry out any of the following:

  • Erect a new building or extend an existing building (unless the building or extension is exempt).
  • Make structural alterations to an existing building (including underpinning).
  • Change the use of an existing building (in certain cases).
  • Provide, extend or alter drainage facilities.
  • Provision of a space heating or hot water service boiler.
  • Provision of a hot water vessel.
  • Provision of a new window, rooflight, roof window or door (being a door, which together with its frame has more than 50% of its internal face area glazed).


The Building Regulations are a set of specific requirements which are supported by detailed documents, known as Approved Documents, which show guidance on how to implement the specific requirements.


The Building Regulations are minimum building standards. The Approved Documents range from Parts A to P. The following gives a brief summary of each document and will give you an insight into the complexity of building techniques today.