2)When Do I Need Building Regulation Approval?

“The erection or extension of a building.
Renovation of a thermal element e.g. roof replacement, rendering a wall etc.
Change of use of a building e.g. converting a barn to a house etc.
An alteration involving work which will affect the ongoing compliance of the building, service or fitting with the requirements relating to structure, fire, or access to and use of buildings.
The installation or extension of a service or fitting which is controlled under the regulations”

1)What are Building Regulations?

Building Regulations are rules designed to ensure health, safety, accessibility and energy conservation in and about buildings.