Thanks for the ideas. I've checked the pressure on the boiler. It doesn't seen to be dropping but I will monitor it over the next few days to be sure. The boiler is only 15months old so I will be extremely annoyed if the problem originates from there....
Ok so I've checked the cistern again in the upstairs loo. After flushing there is a very slow drip but the water level is a good 3cm below the overflow pipe. The toilet rarely goes more than 12 hours without flushing and I just can't see that drip filling it to the point where it does overflow...
It's a white plastic pipe to outside the front of the house. I'll take a closer look at the cistern upstairs later but just wondered if there were any other possible sources?
Hi all. This is my first post so go easy on me. I've tried searching other posts for answers but nothing really seems to fit.
I have two external overflow pipes. One at low level and one higher up. i'm assuming these are related to my upstairs and downstairs toilets. A while ago the lower...