I get the idea that you want something more normal (Vanilla)....................and in doing so would make the scenario of meeting someone and taking them back to the hotel.....all the more real.
The West-End is full of bars and clubs and if you are of the social sort, it would not take you long to strike up a conversation with lots of guys and gals.
My girlfriend and I will be in Soho and thereabouts on Thursday meeting a friend. Maybe later we will be playing by ourselves. But there is always the chance we might hook up with someone.......................who knows. She likes to tease so its not difficult to get people attracted to her

My advise would be to just be easy and enjoy yourselves and let the day/evening flow naturaly.
All good things come to those who.........you know what I mean.
stevensmiles