Belfast refuses to let birthdays be dull. The city’s birthday party venues for adults stir up chaos in the best way. Choose from bars that feel like you’re backstage at a gig, speakeasy-style hideouts near Botanic, and rooftops that make every guest feel extra chic. Maybe it’s karaoke in a neon cave or a private feast above a pub older than your oldest mate. Age is irrelevant. The only rule is go big. Belfast brings the energy and you just show up ready to misbehave. Ready to party? Find your birthday spot today.
Booking costs of birthday party venues for adults average £26 per person. 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 Belfast, based on Tagvenue data from December 2025:
| From £22 | to £35 | per person |
| From £100 | to £150 | hire fee per hour |
| From £1150 | minimum spend per event |
You'll find birthday party venues for adults 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 Belfast, together with the standard prices in each size range, based on Tagvenue data (December 2025):
| Small | up to 45 guests | prices average £100 hire fee per hour |
| Medium | between 55 and 100 guests | prices average £120 hire fee per hour |
| Large | over 120 guests | prices average £200 hire fee per hour |
These are the venues within 0.3 mi from central Belfast, available to book on Tagvenue:
Page last updated in December 2025
To provide you with relevant information, our pages are refreshed using an algorithm that aggregates real-time data, including bookings, reviews, and venue updates.