On Friday, 3 April 2015 09:16:07 UTC+1, Brian Gaff wrote:
I don't know how they get on when the
bunker is behind the house which is a centre of terrace, you would not want
it to brough through the house and if no rear access, dunno.

Such houses would have been built with coal-cellars having a coal-hole in the pavement.

If they were really low-class houses with no coal-cellar then the occupants probably tolerated coal-dust in the hall.

Owain