Candelight Orchestra in St Martins in The Lane - strongly recommend paying for the best seats, can get discounted tickets on timeout or Fever (SO good)
Theatre - Mousetrap, Book of Mormon, Witness for the Prosecution, Hamilton, Harry Potter etc use app Today Tix or go to box office on the day or counter in Leicester Square
Museums - Natural History Museum, Science Museum, British Museum, V & A, National Gallery (Picasso, Van Gogh etc), National Portrait Gallery, Tate Modern (didn鈥檛 enjoy all that much)
Sofar Sounds gigs. Book in advance - sells out quickly - small surprise gigs in unique venues
Hamstead Heath for a swim with the ducks
Hyde Park - cycle around and rent pedal boats
Primrose Hill for a picnic
London Eye - try to line up with cool event eg beer tasting, yoga
Sky Garden - free to go but book on Monday for week after
The Shard - we booked a ticket on timeout that was 16 pound for entry with glass of champagne at the top, amazing value so book whenever you see it as they do have it every so often (still have to queue though so we went, queued, got a time slot for the next day)
Shopping - Reagent Street, Oxford Street, Carnaby Street, Bond Street if you want a quieter experience, also the O2 outlet but never been there!
Underbelly Festival in Southbank for most of the summer - comedy and outdoor drinking
Tower Bridge - do the tour
Barry鈥檚 Bootcamp
Emirates Cable Car
Shit faced Shakespeare - drunk shakespeare
Swingers golf
Flight Club - fun darts
Go to a game in Wembley
Rent Uber electric bikes (use uber app
Buckingham Palace
Waiters Race in Soho
Use the Fever app /TimeOut/SecretLDN/Eventbrite to discover activites
John Lewis often have a pop up on their rooftop themed xmas/summer
Fitness Events - Lulu lemon/Sweaty Betty hold them - google for details
Namco Funscape Arcade - hidden but very cool arcade that has basically everything
Kew Gardens
Waterbus from Camden market to the zoo
Greenwich Comedy Festival or just Greenwich in general - get the thamesclipper there
The Comedy Store in Leicester Square
Visit Chinatown and go into random shops, get bubble tea (in the Happy Lemon)
Secret Cinema - movie themed world followed by watching the movie
London Restaurant Festival in October - highly recommend doing a restaurant hopping tour