21st Birthday Party London

Karaoke shindigs, secretive supper clubs, boisterous bar crawls and downright debaucherous nights on the tiles, we’ve really gone all out this time around. Turning 21 is a big deal and is there a better city than London to celebrate your 21st birthday. Whatever your taste and whatever your budget, our list of the recommended 21st birthday party events in London is sure to find you a perfect match.

Last updated on 4th May 2023

The Piano Works Farringdon

2-4-1 Cocktails and 1 other offer

Celebrate your transition into adult life in one of the liveliest and unique venues in London. Head to the Piano Works for an endless night of dancing and singing your heart out to the songs you request in this jumping House of Song. Held in a Victorian basement, the team behind this impressive project wonderfully combine the venue's nostalgic feel with the electric vibe of an incredible concert. Blow the roof off this place to celebrate your 21st birthday in style. 

Tonight Josephine

Celebrate your 21st birthday the best way with Tonight Josephine. With venues in Clapham and Waterloo, these are the perfect spots to let loose and have fun with a cool range of events. Think karaoke shindigs, Beyonce-themed bottomless brunches and musical singalongs.

Lucky Voice Karaoke - Venues in London

Strong cocktails, power ballad anthems and fancy dress antics make for one heck of a 21st birthday; trust us. Get yourself along to London's devoted karaoke bar, where liberating, heart-racing performances are the norm. There's thousands of songs to choose between and you could add a cocktail masterclass to your package for that extra wow-factor.

West End on the Thames

Save 8% on Private Hires

For a more unique 21st birthday get onboard West End on the Thames, which will take your party onto the Thames for a backdrop of some incredible views of London. On the top deck of this spacious river boat you can enjoy all the hard-to-beat views of London at night. Mingle amongst the other young, adventurous partiers of London, or hire out the whole party for a private clubbing cruise through the heart of London while admiring the city as you've never seen it before.

The Old School Yard

Happy Hour

Turn back the hands of time for your 21st birthday party, at The Old School Yard. What better way to celebrate your 21st birthday than by remembering your childhood? Reserve an area to enjoy the great cocktails, happy hours and retro arcade games; or liven things up by booking one of the many private karaoke rooms. For a lively and fun filled 21st birthday party in London.

Le Fez

Two for One Cocktails - Friday 9pm-10pm FOR UP TO 10 PEOPLE ONLY and 1 other offer

Grab your share of the VIP treatment at this Moroccan-inspired party palace. Fez Club's professional staff, awesome sound system and late licence make it the perfect destination if you're celebrating in Putney. Enjoy a few unique cocktails or a glass or two of champers then join a lively crowd on the dance floor until 4 AM at the weekends!

Brigit's Afternoon Tea Ltd

Undoubtedly one of London's most unique afternoon tea experiences can be enjoyed aboard this vintage Routemaster bus! Take in all of central London's sites on a charming drive around the city, with a spread of sandwiches, pastries, cakes and macaroons to nibble away at. Bring your own bubbly for a £5 corkage fee for that extra sparkle.

Bar 161

If you're after birthday ideas, Bar 161 is a great place to host your celebration. Along with a chic interior and intimate atmosphere, the venue supplies the best cocktails, from blood orange margaritas to martinis and negronis.

All Star Lanes Stratford

Looking for a fun place with a little bit of everything? All Star Lanes in Stratford has it sorted. Warm up with a couple of cocktails from the 1950s Americana-inspired bar, before popping over to the bowling arena, where there's no less than 14 lanes. Once you're all done slaying your mates you can patch things up at dinner, where the menu features everything from Dedham Vale burgers to mac 'n' cheese.


Bottomless Brunch and 2 other offers

Now that you're all grown up, have a sophisticated soiree in the swankiest club in South London at this Clapham club. With three rooms to choose from, get down low in the basement bar, break it down in the main terrace area or class it up in the split level VIP lounge. Regular burlesque performances and even fire-eating will have your heads spinning and eyes bulging, so hit this place up for a birthday to remember.

Nordic Bar

Ping pong tables, shot wheels and Scandinavian party vibes all pool together to create one fun-loving 21st birthday party destination at Nordic Bar. You might have to immerse yourself in Nordic traditions by wearing a cone on your head and shouting 'Skaol' before downing your drink but you'll be rewarded with some of the best Scandinavian food and drink, a fun crowd and DJs spinning pumping tunes until the early hours of the morning.

Sounds Familiar Music Quiz

If you've got the search party hunting for something incredibly fun - but a little bit different – this is you all over. It's probably easiest to think of Sounds Familiar as a disco in a pub quiz format, except there's no mundane trivia and the focus is instead on identifying songs and the artists responsible. A wildly fun night where you'll likely end up on the tables, arms around a stranger, belting out the words to one power ballad after another.

Ruby Blue Bar

No, seriously. It really is possible to enjoy a 21st birthday party on Leicester Square without burning a hole in your wallet. Ruby Blue is the mythical destination of choice, bringing tasty comfort food, happy hour discounts and feel-good partying to one of the most prestigious parts of town. We'd suggest getting along between 5 and 8 PM (except on Saturdays) where happy hour drinks should get your birthday celebrations off to a flying start.


Are you obsessed with Studio 54? Then this is the ultimate birthday celebration for you. Unleash your inner Cher, Bianca Jagger or Andy Warhol by heading to Disco Brunch, where they're giving you delicious eats, free-flowing booze and epic hits all afternoon. 

Hashtag Parties

Looking for fun and affordable ways to celebrate the big 2-1 this summer? Hashtag Parties are bringing together a whole host of cheap nights out in Central London across June and July, so get the gang together and prepare to celebrate properly.

DNA VR - Various Sites

If you're not sure where to celebrate your 21st birthday yet, check out DNA VR. As one of the best virtual reality experiences in the capital with venues in Hammersmith, Battersea and Camden, this is a top choice for special occasions.

RnBhangra Brunch

After something a little different from your 21st birthday bash? Head to RnBhangra Brunch's top secret location for their desi day party, which is bringing you bottomless cocktails for the first hour, a two-course meal and bhangra hits to boot.

Big Night Out Comedy Club

£13 Cheaper Tickets Offer

If you love comedy gigs and clubbing, Bar Rumba has the night for you. Every Saturday night, Bar Rumba holds its Big Night Out Comedy Club. Soak up the happy hour deals before the comedians start the show, then get your dancing shoes on for some late night party action afterwards. Ideal for birthdays or groups of friends looking for something a little different, book online and get your discounted tickets exclusively with DesignMyNight...


Fabric is well situated between Farringdon and Barbican. You can expect to move your body to the rhythm of cutting-edge house, techno, electro, disco, dub-techno and many other music styles mixed by various artists from underground DJ talents to international legends.