Thanks for your replies. I have phoned the Gasboard twice costing £50 a time to tell me that all is OK.
The house is about 30 years old. The boiler is nearly 8 years old.
The soot/dust seems to act more like dust when you try and pick it up.
I have noticed its much better lately since we...
I am experiencing black soot like dust around the house. While ago we had a leak in the roof during a storm. The water rushed in and went straight through our central heating boiler. We had this checked by a Gas engineer who said all was fine. As the soot started and got worse we phoned the Gas...