What to do in London weekday evening

[Needtosoundoffandbreathe]

I'll be in London for work with evenings free tomorrow and Tuesday. Any suggestions of things to do and see? I'm happy to be outdoors as the weather is good, happy to walk, use public transport, etc to get around.

I've seen that both Chelsea and Belgravia in Bloom are on. There's also the end of the run of Dear England at the National Theatre and there's a dance show at the Royal Opera House (I've never been there), but I'm not sure I want to be in a theatre for a few hours.

Thank you in advance.

A guided tour, some run in the evening. Classical concert, lecture, film screening - Prince Charles has some classics. Gig, restaurant, lounge bar, theatre, opera, dance, late gallery showing.

Time Out London and the Evening Standard are worth checking out.

I personally would go to the theatre for at least one of the nights but I love the theatre! Perhaps some comedy? I agree that it's worth going online to check out websites specialising in London life.

Thank you - if anyone has any specific recommendations, particularly of anything you've done or seen that would be much appreciated.