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It's very specific damage in the same place on each. These look like council houses. Maybe they cut some corners and paid the price.

I don't think we have 'council houses' any more around here. The semi-detached ones from the 60's are still about but many have been bought up when the council's offered them to the residents in the 80's.

Maybe your right, if they are all the same, terrible quality if so.

I think most around here have been sold off, but a lot belong to housing associations. Unsurprisingly not everyone can afford to buy