Painted plaster bubbling due to damp

Chances were the mould wasn't removed in the beginning. You may also need an air brick installed for ventilation in your kitchen. The easiest way to solve the problem is to scrap off the flakes and stain block the area providing there's no damp coming through as may not have been mist coated first

In case the building in question is a victorian brick building, victorian terrace and the kitchen in question is not located in a newly built extension and the dampness shows on the party wall side, there could be another common cause: The chimney breast further up has been removed and the debris thrown into the chimney cavity lower down. This will result in a dense, compact mass that will diminish the ability of the brick wall "to breathe" then over time causing condensation issues that can result into the problem described by person who has the issue with peeling paint. In addition it could be older damp proofing treatments with added plasticisers and cement based plasters, plastic based paints etc. that are reducing the breathability of the brick structure. More information should be provided regarding the construction material of the wall, age of building, exact location and level of affected wall and depth of existing layers and their composition. You may find that just painting the wall with a damp proofing paint will just delay the problem before it resurfaces again.

Hi, as the wall showed previous signs of damp and was not treated, this will still be the case, the plaster will need to be removed back to brick and treated as necessary, I f this is an exterior facing wall, the issue could be with the exterior brickwork/render.

I think the first thing is to establish if there is indeed a damp problem!? If so then act on the advise given.

If paint flaking off It could be because the new plaster wasn't primed with water diluted emulsion or pva. Also called a "mist coat". If however the wall is damp , Then plaster contamination Will be the problem . All plaster and rendering to be removed back to structural masonry. Source of dampness identified and corrected. Wall stabilized with SBR. New waterproof render applied. Replastering only done once rendering has fully cured . Cheers Gary Emms

Get a survey done first to asses the real cause before doing anything . Then proceed accordingly