Have a house party
Have a big birthday party for family and friends
Blow up 21st birthday balloons and put different tasks in each one
Have a garden party
Hire a Party Bus
Host a Masquerade party
Have a this is your life so far party
Rent out a club for the night
Have a cocktail party
Have a party on a boat.
Have dinner with Family and Friends in a restaurant.
Hire a marquee to host your party
Get a polaroid or disposable camera for everyone to snap photos with.
Write a list of 21 things to do over a few days for your 21st birthday
Have a Shisha pipe party
Throw a party where everybody is wearing black and the birthday person is wearing colour
Rent a beach house with friends
Go on a murder mystery night
Hire a stripper
Have a casino themed night
Have a neon themed party
Rent a Party Canal Boat
Use twinkle lights to decorate meal area
Have an adult game of pass the parcel - wrap up something novelty and hilarious
Put up photographs of the person whos birthday it is around the room
Have a UV paint party
Rent a bouncy castle and/or some sumo suits
Have a few large tubs of retro pic 'n' mix for people to nibble at
Hold a fancy dress party for your birthday party and take lots of photos!
Hire a limo to take you and your friends to your destination
Enjoy looking at all the baby/child photos with friends and family
Have a pool party
Have a disco or a live band
Host a barn dance. They're so much fun and will have everyone up dancing and laughing their heads off.
Get drunk with your friends and not remember anything in the morning
Have a hot tub party
Have a marvel theme party
Have a Burlesque fancy dress party!
Have a bonfire with your friends if the weather is right!
A formal dinner party and dance
Go to a strip club
Have a karaoke party
Paint an old throne looking chair in gold and get everyone to take photos in it at the party
Do a childish party e.g party rings jelly and ice cream to remind them of their childhood
Play adult pass the parcel - Put rude/joke gifts inside
Play the card game 21 as you are actully turning 21.
Play adult spin the bottle
Have a kids party with pin the tail on the donkey, musical chairs and party bags
Go clubbing at your local night club or in the city
Have a specific themed party and give everyone a character to dress as on their invitation
Garden party with a marquee maybe (smart dressed)
Go to or host a roller skating disco
Have a prom party with a posh dinner and dance
Find a rave or weekender to go to
Hire a psychological magician/entertainer to wow the party guests
Organise a treasure hunt around London
Have an Indian themed ball
Get a team together and go to your nearest Laser Tag venue
Have a beach party with a bbq, music and maybe some cheeky volleyball
Arrange with the local newspapers to have the last 21 years, DOB, of publications printed off
Have a quiet gathering to celebrate
Organise a special car (eg. Porsche) to take the birthday person to their meal or party
Toast with a glass of personalised champagne and have a bowl of strawberries with cream for people to help themselves to.
Organise a picnic in a special or relaxing environment with close family and/or friends
Go to a concert with your mates
Have a Luau (Hawaiian themed) party
Have a Toga party!
Hire an ice cream van to attend the party venue
Put up a 60's themed party
Get a Domino's Pizza, Pizza Hut Express or another local Pizza takeaway
Have a poker night with everyone dressed in suits
Eat a lot of cake... Maybe even play cake eating challenges but preferably not combined with drinking games!
Have an arabian themed party!
Play strip poker
Have a custom ice sculpture luge made with alcohol running from it that people can help themselves to
Have a quiet night in with the other half
Go shopping for the day with your close girlfriends!
Hire the exclusive use of an ice rink for your party venue
Get a local takeway meal delivered