I have friends and relatives in London but seriously wonder how long it will be before they are forced to leave - things just seem to go from bad to worse on al

I have friends and relatives in London but seriously wonder how long it will be before they are forced to leave - things just seem to go from bad to worse on all sorts of indicators of quality of life, and the authorities appear acquiescent in the decline. Whilst in the UK one admittedly can never get very far away from built up areas, my plan is to get as far away as possible.