Thanks for your suggestion, Steven. I did suggest that to my wife but she complained that the garage ceiling would then have to be re-plastered. It does seem a better idea to me though!
Hello, I've noticed a leak into our garage (ceiling) from the ensuite that's directly above it. There are no signs of a leak in the ensuite itself. It's a recently built extension (builder has since stopped trading) and if memory serves, there are hot and cold water pipes, and central heating pipes ...