On Friday, 9 August 2019 19:05:01 UTC+1, Bert Coules wrote:
Or would Building Control refuse to sign off the work?

Building Control and Planning Permission are two completely different things in law and the relevant departments often don't talk to each other.

How many steps - if it's a flight they'll probably pick up on it, if it's only a couple of steps to the garden they might not.

Owain