There is an endless option of things to do in Central London. Here are some cultural highlights, and there will be further updates if any special arrangements are made:

Wellcome Collection: https://wellcomecollection.org/whats-on

Science Museum: https://www.sciencemuseum.org.uk/home

Natural History Museum: https://www.nhm.ac.uk/

Greenwich Observatory: https://www.rmg.co.uk/royal-observatory