Plumbing

Strong sulphur smell in the lounge

Anonymous user 23/02/2024 - 2.57 PM

I live in a semi detached house, new built (2 years old). Recently it started reeking of sewer gas (sulphur kind of smell). It is stronger in the lounge, near the exit door (when you get in it literally hits you like a wall), in the water closet (where the sprinkler pipes and central heating controls are) and in the top of the stairs (right on top of the water closet). It does not smell outside, does not smell in the bathroom and downstairs toilet, and the neighbours don't have that problem (we are 6 semi detached houses in a close). My landlady called a plumber and a builder and all the drains have been cleared, the back yard was digged to check for leaking pipes, the floor was inspected to check for leaks or dead animals, the floor isolation in the upstairs bathroom (on top of the lounge) has been replaced, the gas company came over and everything is fine. The smell comes and goes randomly but lately it is getting stronger and taking longer to disappear. I am getting worried as I have small children and I don't know what is causing the smell. I am wondering if it could be the fire sprinkler system water or the central heating radiators water? Any suggestions? Thanks in advance.