London Events on Sunday 21st September 2025
Things to do on 21 Sep include going on the Palaces & Parliament walking tour, and enjoying some Sunday night stand-up at the Empire Casino
Music concerts & Comedy
Stand-Up Comedy at the Empire Casino Leicester Square Enjoy some stand-up comedy at the Icon Bar in Leicester Squares Empire Casino
Soho Comedy Factory above The Blue Posts Pub Cheap comedy night watching stars of tomorrow and comedians from the TV
Immersive & VR Experiences
Alcotraz Prison Cocktail Bar – Immersive pub experience Get locked up inside Alcotraz and drink booze smuggled in by the inmates and corrupt guards
Royal & Religious events
Choral service in Hampton Court Palaces Chapel Royal Enjoy a choral Sunday service in Henry VIIIs Chapel Royal at Hampton Court Palace
Choral Matin at the Tower of Londons Chapel Royal Attend a Sunday service at the Chapel Royal of St Peter ad Vincula in the Tower of London
Choral Evensong service at Westminster Abbey Sit by Westminster Abbeys 1000-year-old altar and listen to a beautiful choral Evensong service
Choral Evensong service at St Pauls Cathedral Attend a choral Evensong at St Pauls Cathedral and see part of the Cathedral for free
Politics & Military Parades
Guided Tour: Changing the Guard at Buckingham Palace Watch the soldiers marching after forming up outside St Jamess Palace
Speakers Corner – Sunday speeches in Hyde Park Visit Speakers Corner at Sunday lunchtime and hear the public giving political speeches on a soapbox
Changing the Guard ceremony at Buckingham Palace Changing the Guard at the palace is one of Londons must-see sights
Changing the Guard ceremony at Horse Guards Parade Changing the Guard at Horse Guards is similar to Buckingham Palace but a lot less crowded
Dismounting Ceremony (4 OClock Parade) at Horse Guards A daily ceremony of Foot Guards and cavalry that takes place in the courtyard at Horse Guards
Ceremony of the Keys at the Tower of London A Yeoman Warder has been locking up the Tower of London every night for 700 years
Bus, Boat & Train Tours
Private tube tour of the London Underground A two-hour tour of the London Underground including a journey from Paddington to Sloane Square
Sightseeing walks
Palaces & Parliament Tour – 20 of Londons Top Sights See 20 of Londons most famous landmarks in this 3-hour walking tour of Westminster
Scavenger hunt – Self-guided tour of Londons landmarks See ten of Londons most famous landmarks while solving clues on a mobile app
The Murder by Trafalgar Square – Interactive Mystery Game Explore the landmarks around Trafalgar Square as you hunt for clues and solve riddles
Jack the Ripper Walking Tour with Ripper-Vision Walk the streets of Victorian London where Jack the Ripper committed his crimes
Doctor Who Tour – 15 London locations from the TV show See fifteen locations that have featured in Doctor Who over the last fifty years
Mary Poppins – Walking tour of London film locations A fun-packed tour to places featured in the Julie Andrews and Emily Blunt movies
Show all walking tours
Harry Potter movie locations walking tour Visit the London locations that featured in JK Rowlings Harry Potter books and movies
Sports events
Wembley Stadium Guided Tour – Pitch & Changing Rooms See the changing rooms and walk up the stairs to the Royal Box and lift a replica FA Cup
Things to do in London on 21 September – Prince Charles famously admitted that he likes to talk to plants on this day in 1986, so how about going to Kew Gardens or RHS Wisley and have a chat with some yourself? The prettiest parks in central London are Regent’s Park and St. James’s Park.