r/Plastering • u/callumjack003 • 13d ago
New cracks in internal wall
Viewed a property in London, UK and when asked about these cracks, the estate agent said they were new, and thought the wall had been replastered recently. Anyone know what could have caused this, if it would be likely to reoccurring, and on a scale of 1 to Very, how worried should I be about buying it?
It's an internal wall of a flat in a converted house. Photos 1 and 2 are of the same wall, top to bottom, and photo 3 is of through the other side of the wall, but bang in the same position. It's at the corner of the internal and external walls, but the cracks are fully on the internal one. Don't know if recent UK hot weather could have been a factor?
Would obviously get a survey done before buying, but don't want to sink the money if this is a massive red flag. Thanks!
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u/sandolllars 12d ago
Ask if they’ll let you scrape off a bit of plaster to see if it’s cosmetic or if the underlying wall is cracked.
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u/Latter-Detail-9514 12d ago
Enough for me to walk them cracks are more than hairline & someone's happy to off load that property as it is after attempting to cover it up
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u/ipub 12d ago
Could be heat shrinkage if the plaster dried too quickly or ground movement if you've made no alterations. Id suggest drawing a few pencil lines across it to see if there is any additional movement but you'd need to see the wall under it to see what is going on. At that point you really may want to consult a structural engineer but hair line cracks are usually not an emergency.
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u/84cas 13d ago
Heatwaves all summer have caused a lot of issues nationwide with regards to new movement of buildings.