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Yes, very unlikely to be anything other than cracks in the render, normal on large expanses like that side wall and likely due to the installation of the new window on the other wall.
They could well have let in moisture but I’d not panic, you may well be able to put flexible filler in when you decorate and never see them again. Most cement rendered houses will have some cracks, they widen when you get a bit of water in that then freezes and expands.
They don’t look immediately panic-worthy to me.
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If it's a solid wall house, I'd be walking away - unless you fancy stripping the render & starting again.
Seems a bit extreme. Cracks in render can be ground out and patch repaired. If there was no evidence of the whole lot blowing and coming away and no evidence of it causing other issues like damp, I wouldn't let it scare me off. I would be mindful of it though and try to get a discount on the house price based on multiples of the cost of repair.
Show me one rendered wall in England that has no cracks etc...
Had a second viewing of the place we’ve had an offer accepted on. Having lost one to significant subsidence my partner and I are now somewhat paranoid. Are these cracks anything to worry about @leggy_blonde? Obviously we’ll get a proper survey in due course but whilst we’re waiting for all the initial conveyancing to go through I’d value your thoughts, as well as anyone else that knows about such things? Wondering (and hoping) they’re just cracks in the render from settlement etc