Sutton, yep, you're right, you'd easily pay £7-800K for that in Richmond. Even where I live it would be a steak at £500K if not directly on a motorway.
Good transport links, good schools - more important to some than postcode snobbery. I don't know Beckenham well myself - though have friends there and there seem to be very nice parts.
Can I do a deal with the inner borough folks? Can I agree I don't live in a London borough, and you give me my London council tax contribution back? Happy to do a direct deal with any of you. 