Whats on…

HARRY POTTER: This extremely popular exhibition of designs and artwork from the Harry Potter films is still going on. See wizarding newspaper The Daily Prophet, ‘wanted’ posters, and Hogwarts textbooks, among other film props. House of MinaLima (Soho), free, just turn up, ongoing

POP-UP MUSEUM: The National Maritime Museum has popped up in Lewisham shopping centre; explore the museum’s collections and come up with your own sailor’s ditty box. Lewisham Shopping Centre, free, just turn up, Tuesday-Sunday, 10am-5pm

FREE FILMS: Glue your eyes to the silver screen at the New Cross and Deptford Free Film Festival. There’s a diverse selection of picks too, so it’s truly something for everyone. Various locations, free, first come first served, 21-30 April