I ran my bathroom fan pipe up into the loft myself just to avoid cutting through the wall: the winter a brown ring spread over the landing, I understood where all that steam had been going
A seemingly clever shortcut—running a bathroom extractor pipe into the loft instead of through an external wall—turned into a costly lesson about condensation and structural damage. What looks like a tidy solution creates a perfect storm for mould, rot, and deterioration that hides until the damage is serious.
