edited to add
For some reason I can't post on the SE1 Discussion forum in the Borough High Street thread:
edited again to add:
voodoo computing - I realised that when in the SE1 it was telling me I needed to log in, even though in all four other forums, the equivalent option was to log out. When I logged in for a second time in the discussion forum, my post suddenly appeared with the time of my first attempt at posting it!?