F
faithhealer
NO Liz, water would have frozen in your drain pipe and backed up until it filled your sink/basin and then overflowed! Lots of boiler problems are due to the condensing pipe trickling water and freezing upno burst pipe yet that I've found but I don't have any running water at all due to a suspected frozen mains water pipe. heating has been on whilst we've been away but now I'm wondering whether we should have left a tap trickling 🙁