How to stop paint flaking/peeling on a bathroom ceiling advice please :)?
Never use PVA under paint. Remove paint by stripping and sanding until you get back to a solid surface and this is one of those rare occasons where a primer like Bullseye 1-2-3 might be used first. I would not recoment ordinary emulsion in a bathroom especially if you are having problems, but use Dulux quick drying eggshell.