Last weekend we walked Westminster, round Parliament, along the river, over the river, back up the other side and round past Elizabeth Tower (my directions are shit, don't follow them!). Then past Downing St, up to Buckingham Palace & then got the tube to the 02 so we knew where we're going ish tomorrow evening. And then back into Central for a couple of hours just wandering.
Dd doesn't fancy Camden market, although I think it'll be quieter on a weekday morning maybe?
Any other ideas for something to fill a few hours before I catch my Flixbus home for the rest of half term with dd2?