To what specific activity do the Building Regulations apply?

They apply to any of the following:

	the erection of a building;

	the extension of an existing building;

	the installation of certain services of fittings;

	the alteration of an element of a structure that will permanently affect its ongoing compliance with Building Regulations.

	the insertion of insulation into a cavity wall;

	the alteration of elements that relate to fire access to a building;

	work which will directly influence the energy performance or thermal elements of a building.