You can call the council, or you could 2yrs ago and ask for there contact list.
Its a list that displays all residential and nursing homes along with there Ratings and if there are spaces available, when your looking for an area you can sort by post code.
If i remember i was emailed as a excel document so it was easy for me to sort. it lists contact numbers also, so matching postcode and then calling was easy.
Hope that helps.
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