Non-alcoholic drinks in London

lpg There is a late-night 50's milkshake bar in London..it's in soho. I think it's somewhere near brewer st. but i'm not sure. It's somewhere near Madame Jojo's, cos i saw it once when i was coming out of there this one time.

Momentum Google says...
nice pancakes here http://www.timeout.com/london/restaurants/reviews/4732.html
and here http://www.viewlondon.co.uk/restaurants/lucky-seven-review-6372.html