not a lot... I think the last official bomb site was at Ludgate Circus, and that went years ago. They might have done some filming in Docklands, which was derelict until more recently
Postdog - yes, I know the show is from the 70's!
It's just that most of the locations, by accident or design, involve wasteground or crummy semi-derelict areas. I live on the south coast and am not overly familiar with London, apart from the Westend shopping areas. I wondered, as Top Gooner subsequently confirmed, if a lot of the filming of the programme was done in what is now the site of breadhead housing.
that is being built up now in time for the 2012 olympics which will overspill from Stratford to Greenwich - they already finishing train extension of DLR