The South Bank area of Lambeth in particular, with landmarks like the London Eye, will be familiar from their many appearances in genre film and television, including Thor: The Dark World and cult classic Blake’s 7
Brixton has a great music history, including as the birthplace of the starman himself, David Bowie. There are plans for a permanent memorial there.
There is a regular meetup for Work in Progress Comics, for the graphically inclined.
The Bread & Roses Theatre hosts the Talos Science Fiction Theatre Festival of London, returning March 2018.
Dark Sphere: Tabletop, card, and miniatures shop.
Scott’s Collectables: Comics and cards. By Appointment only.
Bookmongers: Second hand books
Nerd-adjacent and nerd friendly: