18th Birthday Party Venues for Hire in City of London

Booking costs of 18th birthday party venues average £1000 minimum spend per event. Costs vary depending on guest capacity, popularity, location, and amenities like sound systems or bar services. Extra charges may apply for custom catering, decor, or event planning services. Packages with add-ons, such as DJs, photo booths, or other entertainment services, can also increase the overall cost. Check out the typical price ranges in City of London, based on Tagvenue data:

Based on the popularity and user ratings on Tagvenue (updated September 2026), the best options include:

• The Rocket Room at The Astronomer in Spitalfields - rated 5/5
  Our user said: ‘Fantastic private hire venue. Very classy and beautiful decor.’

• SAMBAROOM Private Dining Room at SUSHISAMBA in City of London - rated 5/5
  Our user said: ‘Fantastic food and service, gorgeous venue.’

• Upper Terrace at Cinnamon Kitchen in Spitalfields - rated 4.7/5
  Our user said: ‘We had our team dinner at Cinnamon Kitchen for about 60 guests. The food and venue was excellent.’

You'll find 18th birthday party venues in various sizes, from smaller spots to larger venues; keep in mind that the type of space and your chosen layout will affect the capacity! Below you can see the typical venue sizes in City of London, together with the standard prices in each size range, based on Tagvenue data (September 2026):

Based on Tagvenue data (as of September 2026), users looking for 18th birthday party venues most commonly go for these venue types:

Smaller 18th birthday party venues usually fit up to 40 guests standing. Here are some great options in City of London, based on Tagvenue data as of September 2026:

• Raised Area at The Cocktail Club Monument, rated 4.9/5 - event space for 40 guests
  Our user said: ‘The venue was very well-organised with great music and vibes, perfect for a celebration.’

• Wine Cellar at Canto Corvino, rated 4.9/5 - dining room for 20 guests
  Our user said: ‘The food and drink was on top form and the service in the private rooms would as you'd hope.’

• Venetian Room at Bolton's, rated 4.8/5 - dining room for 25 guests
  Our user said: ‘We got a private room, and it was the best decision.’

Cheap 18th birthday party venues in City of London start from £200 minimum spend per event or £10 per person. Check out these budget-friendly spaces you can book through Tagvenue, as of September 2026:

• Ledger Room at The Counting House, from £200 minimum spend per event (up to 30 guests standing)
  Our user said: ‘We were able to play our music quite loud & enjoy the little dance floor we’ve created.’

• Exclusive hire at Black Sheep Coffee LeadenHall, from £10 per person (up to 100 guests standing)
  Venue said: Black Sheep Coffee and Cocktail LeadenHall is situated on the ground floor of the Leadenhall Building. It offers a range of craft beer, wine, cocktails, nibbles, and late-night coffee.

• Arch 1 at The Banker, from £50 hire fee per event (up to 35 guests standing)
  Venue said: An intimate space for up to 30 people, the arch can be arranged to suit your requirements - set up with tables and chairs for dining, or more formally for a business meeting.