I've managed to find the land register papers but it only goes back as far as 1975, so I don't really have any information about the house prior to that time to decipher when it actually changed from a private house to an old people's home.
I've located a 51 page document entitled "additional pre-contract enquiries" dated 1988.
No reference to the clean air act, though there was a "commercial properties" section that required the owner to confirm the premises complied with the requirements of the local health authority and the health and safety at work act.
Not sure whether that is at all relevant, but that's all that was in there. Both confirmed to comply so far as the vendors were aware.
I also have three enquiries of local authority documents. The years are 1982, 1994 and 1991, but they don't have anything in there to do with air quality.
The council hasn't replied to my question about the clean air certificate so I'm still not sure whether the survey was done.
A fairly fruitless search unfortunately, however, there was one more thing I found:
A certificate and document from a company called damp guard (who were apparently specialists in rising damp, wood worm, cavity wall tie replacement , repairs and general building) did two and a half thousand pounds worth of work on the house in 1995.
There had been extensive damp and wood worm on both the ground floor and first floor of the house.
As I said earlier, the room I'm re-decorating had extensive wood worm, and many of the floorboards were replaced with hardboard; this being the document that presumably confirms what actually went on there though it doesn't seem to specify that room in particular.
As the document states, testing was done to the plaster for moisture.
They'd taken off skirting boards and hacked away at plaster too, though I don't know whether that was done also in the room in question.
If they had done that in there, then maybe it was them that applied the white skim I was concerned about beneath the skirting in 1995.
A fair bit work done to this house, quite interesting how often it's been altered.
Explains quite a few lingering questions I'd wondered about regarding the floors and so on.
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