In article ,
rockdoctor wrote:
I would wait until they are away, then chisel out enough bricks to get
into their bathroom, then refit their pull switch with a rubber sheet
or pad between it and the ceiling to break the acoustic coupling
between it and the ceiling joists.

I doubt there are any bricks separating the houses. That's the whole
problem...

--
*Eschew obfuscation *

Dave Plowman London SW
To e-mail, change noise into sound.