You can go into their offices and inspect their maps. If what you are asking is - works have been carried out on a house and I want to check if planning permission was applied for, that will answer your question.
If what you want to know is, was planning permission necessary for works that were carried out, then either that will be made clear when, if you are buying, on receiving contracts and viewing the Architects /Engineer's Opinion furnished or when your own surveyor inspects the property. Equally, if interested in property, you can ask the question before putting in an offer.
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