Quick Insights
Change of use means altering how a building is used, like retail to gym, which may require LPA approval.
If uses fall under the same or permitted class, planning permission might not be needed.
UK use classes cover retail, business, residential, leisure, and Sui Generis (e.g. nightclub, theatre).
Some changes like A1 to A3 or B1 to B8 are allowed under permitted development with conditions.
Material change of use includes converting shops, offices, or houses into flats or vice versa.
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