Water damage walls 8m by 8m room. Scrape off old wet paint. Make good any walls/fill any holes, sand/smooth any surface, apply damp proof paint, let dry then apply Vinyl Silk wipeable paint.
Under No Circumstances hire this Cowboy! He isn’t a registered Tradesman hasn’t declared with HMRC, has no Liability Insurance, No Health & Safety Training!
He will promise he can paint, lay concrete, put up gate & fence, replace shower, can do everything! In fact he hire inexperienced EU workers who do not speak or understand English at all. They paint on & around door handles, tell you they have painted the doors! Cant even apply silicone! Abuse your property & waste materials!