Tag: Part L (Insulation & Energy)

Building Regulations for House Extensions – UK suburban home with rear extension under construction, showing exposed foundations, structural steel beam installation, and a building control inspector reviewing plans on site.

Building Regulations for House Extensions: What Building Control Will Check

Building Regulations for House Extensions are separate from planning permission and usually apply even for permitted development. This guide explains what Building Control will inspect (foundations, structure, insulation, ventilation, drainage and fire safety), which application route to choose (Building Notice vs Full Plans), and how to avoid delays so you get your completion certificate without stress.

Read More »
SiteLock