uk building regulations bathroom off kitchen

Staircase Building Regulations are covered by further regulations parts M1 and M2 that sould be discussed with a Building Inspector. A headroom of at least 2m is required at all points on and off a staircase and as you pass down a staircase. Loft Conversion Headroom. Kitchen or bathroom extension? Things get a bit more complicated when you start thinking about kitchens and bathroom extensions. There used to be a law around minimum ceiling height. While this is no longer part of Building Regulations, there is still a minimum height for practical purposes. Building Regulations Approved Document B - Fire