We've got a few leak stains on the living room ceiling... directly under our small ensuite. Stains are primarily under toilet & shower. The stains appeared a few months ago, and don't appear to have changed (drew pencil marks around them to confirm).
I can't quite understand why the stains have appeared under both toilet & shower at same time. Additionally, why would the leaks have stabilised (stain marks not getting larger).
Grateful for any enlightenment.