London Highlights

Simon Tan: A uniquely useful ticket machine sits alone near Harry Potter Platform 9 3/4. It’s the only one that accepts NFC payments (Apple/Android Pay) AND can top up Oyster cards in increments other than £5.

Simon Tan: Anything with mashed potatoes is good

Time Out London: At Greenwich Market you'll find fruit and veg on Wednesday, antiques on Thursday and a mix of craft and fashion by hip new designers at the weekend. En savoir plus .

Louis Vuitton: Set in a stunning park, and sitting precisely on the Prime Meridian of the world, the Royal Observatory is a great way to spend an afternoon in South London.

Carl Franklin: Use your Oyster card and avoid the ticket queues.

Simon Tan: Get small portions at each place so you can try more things!

Simon Tan: If the free admission tickets are all taken for the week, you can just book a table at the Sky Pod cafe or bar instead - they don't really force you to purchase anything once you're inside :)

Simon Tan: Go before 6pm to avoid the long queue

Simon Tan: Check out the reading room upstairs!

Cynthia Bernal Arellano: A full tea service costs you at least 50 pounds. If you don't want to spend over 50 pounds, you can see the wide selection of tea, coffee, wine, chocolate, cheese they have in the store.

Louis Vuitton: While the daily changing of the guards is a tourist magnet, this majestic palace is a London icon and home of the Queen. You know that she is in residence when the flag is flying above the palace!

Nick Pittoni: love the vibe - feels like an old school british pub

Stijn Vogels: Leadenhall Market was used to represent the area of London near The Leaky Cauldron and Diagon Alley in the film Harry Potter and the Philosopher's Stone.

Simon Tan: Ride the DLR between Canary Wharf and Greenwich for a visual treat