Sorry, yes the emergency gas man was from the 0800 111 999 free service, but since he has been 3 weeks ago the bang happened again - when it was raining - not heard it again this week, but it has not rained since Tue night.
Thank you for the replies.
I don't know the make or model of the boiler next door.
The emergency gas man came out about 3 weeks ago when it first happened to 'make safe' & we thought a new boiler had also been fitted & had not heard the noise again until this week so we thought it had been...
Hello
Can anyone offer any help:
Next door to us (semi-detached) - there is a loud bang (sounding like a car back-firing or a very very cork popping from champagne) coming from the flue with a white flash of light.
It only seems to happen when it rains and it happens periodically for...