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Top 21st Birthday Party Venues in Belfast
Did someone say craic and cake? If it’s your 21st, Belfast is where you should be. Pints in snug pubs, rooftop toasts above city lights, and dance floors that don’t quit till dawn. The city’s 21st birthday party venues serve up good times, dodgy dance moves, and stories you’ll be retelling for years. Whether it’s cocktails, karaoke, or chaos you’re after, Belfast’s got the energy and the hangover cures to match. Go on, make your 21st one for the legends list.
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![The Bird Cage at Tipsy Bird in Belfast]()
from £250
hire fee / per sessionCheck availabilityThe Bird Cage
150 guestsTipsy BirdBelfastA stunning top floor private bar that comes with all the things that makes The Tipsy Bird the best in Belfast. Suitable for parties up to 150 guests. -
![Havana Bar & Mezzanine at Revolución de Cuba Belfast in Belfast City Centre]()
from £500
minimum spend / per eveningCheck availabilityHavana Bar & Mezzanine
200 guestsRevolución de Cuba BelfastBelfast City CentreHire the upstairs floor at Revolucion de Cuba Belfast for up to 200 guests. The Mezzanine is an event space within the main venue, ideal for networking, team celebrations, finger food affairs, Christmas parties and 'just -
![Entire Venue at Revolución de Cuba Belfast in Belfast City Centre]()
from £4000
minimum spend / per eveningCheck availabilityEntire Venue
700 guestsRevolución de Cuba BelfastBelfast City CentreHire the full venue exclusively at Revolución de Cuba Belfast for up to 700 guests. Whether it's a company event, birthday party or Christmas celebration, we've got you covered with a range of food, drink and entertainment -
![Titanic Suite at Clayton Hotel Belfast in Belfast]()
from £150
hire fee / per hourCheck availabilityTitanic Suite
110 guestsClayton Hotel BelfastBelfastPPaweł S.
“Stuff was absolutely brill and helpful, contact with venue manager also very professional” -
![Private Dining Room at Millar’s Grill & Seafood in Belfast]()
from £22
per person / per sessionCheck availabilityPrivate Dining Room
40 guestsMillar’s Grill & SeafoodBelfastThe private dining room holds up to forty people. It includes its own bar and works well for business events, parties, or small weddings. -
![Entire Venue at Novelli at City Quays in Belfast]()
from £26
per person / per sessionCheck availabilityEntire Venue
120 guestsNovelli at City QuaysBelfastHiring the full restaurant gives you the run of the place – from the sleek bar and stylish dining room to the terrace overlooking the water. It’s a brilliant option for weddings, private parties, or corporate gatherings where -
![Entire Venue at Rayles Diners in Belfast]()
from £1000
minimum spend / per sessionCheck availabilityEntire Venue
70 guestsRayles DinersBelfastThe full restaurant is available for private hire, giving you exclusive use of the space for your event. Whether it’s a family celebration, party, or corporate gathering, the venue offers a warm atmosphere, authentic food, -
![The Diggers at McEnaney's in Belfast]()
from £7
per person / per sessionCheck availabilityThe Diggers
120 guestsMcEnaney'sBelfastDiggers is the big room upstairs. It holds about 120 people, so there’s loads of space for a party. We’ve done everything here – birthdays, weddings, wakes, you name it. -
![The Main Bar at Tipsy Bird in Belfast]()
from £2200
minimum spend / per sessionCheck availabilityThe Main Bar
300 guestsTipsy BirdBelfastA full Tipsy Takeover is the perfect option for larger parties from 150 – 350 guests! Bespoke packages, custom cocktails and stunning bars await... -
![Olympic 3 at Clayton Hotel Belfast in Belfast]()
from £100
hire fee / per hourCheck availabilityOlympic 3
50 guestsClayton Hotel BelfastBelfastOne of three Olympic suite spaces on the ground floor. Our largest suite can be separated into Olympic 1, 2 and 3. This suite is a larger alternative to our medium meeting rooms and is a versatile event space that allows -
![Titanic 1 at Clayton Hotel Belfast in Belfast]()
from £120
hire fee / per hourCheck availabilityTitanic 1
50 guestsClayton Hotel BelfastBelfastOne of our medium meeting rooms, and one half of our Titanic Suite which is split into Titanic 1 and Titanic 2. This is a versatile space that allows for various layouts, capacities, uses and function types. -
![Main Dining at Holohan's Pantry in Belfast]()
from £32
per person / per sessionCheck availabilityMain Dining
36 guestsHolohan's PantryBelfastThe main dining room fits thirty-six and has a relaxed, homely feel. It’s a handy spot for a bite with friends, a family meal, or a feed before heading to the theatre.
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Book One of Belfast's Cheap Places for a 21st Birthday
from £32
hire fee / per hour
hire fee / per hour
Karaoke Room
10
10
King Pins - Castle Lane, Belfast
Belfast City Centre
Located in the heart of Belfast City Centre, our latest venue brings all the King Pins energy to Northern Ireland for the first time bowling, games, huge arcade, and unbeatable food, all under one roof.
from £48
hire fee / per hour
hire fee / per hour
The Shuffle Zone
12
12
King Pins - Castle Lane, Belfast
Belfast City Centre
With several shuffleboard tables, the space is set up to keep guests engaged from start to finish. The Shuffle Zone can host up to 12 guests and includes: A lively setting for ongoing fun, shared moments, and time spent socialising
from £50
hire fee / per hour
hire fee / per hour
Meeting Room 2
20
15
Clayton Hotel Belfast
Belfast
This private boardroom at Clayton Hotel Belfast offers a clean, professional setting ideal for executive meetings or team discussions. The room features a sleek central table surrounded by cushioned chairs, bottled water
from £50
hire fee / per hour
hire fee / per hour
Meeting Room 5
15
15
Clayton Hotel Belfast
Belfast
Clayton Hotel Belfast is the ideal choice for accommodation and eventing alike. Business travellers and those seeking a comfortable overnight stay will feel right at home with us in the heart of Belfast City.
from £50
hire fee / per morning
hire fee / per morning
Meeting Room 1
4
Clayton Hotel Belfast
Belfast
Our smallest meeting room is perfect for one-on-one meetings, interviews and solo-working. Enjoy city-centre views and refreshments of your choice.
from £60
hire fee / per hour
hire fee / per hour
Studio Gallery
38
50
Belfast Exposed Photography
Belfast
The Studio Gallery has a capacity of up to 50 guests. This space is ideal for workshops, presentations, meetings and small business gatherings. The gallery features a flatscreen TV.
Explore Trendy Restaurants for Your Upcoming 21st Birthday Party
from £26
per person / per session
per person / per session
Semi-Private Dining
20
Novelli at City Quays
Belfast
Tucked to one side of the restaurant, this semi-private space is intimate without being cut off from the buzz. It’s a lovely fit for small family celebrations, business meals, or groups of friends who want their own corner
from £17
per person / per session
per person / per session
Upstairs Hall
60
80
Mizo Express
Belfast City Centre
Mizo Express is an Asian street food restaurant located in Belfast's city centre. Designed for quick dining and relaxed meals, the space offers both sit-in and takeaway options.
from £22
per person / per session
per person / per session
Main Dining Area
70
Millar’s Grill & Seafood
Belfast
It sits across from the Waterfront Hall, only a short walk from Belfast City Hall. The restaurant serves fresh seafood and steak, using local produce from around Northern Ireland.
from £25
per person / per session
per person / per session
MAL 1
45
45
Chez Mal Belfast
Belfast City Centre
MAL 1 is our big dining room with a flexible layout for a maximum of 45 guests. We host formal business meetings, as well as wedding receptions, classic parties, cocktail masterclasses, and afternoon tea events.
from £19
per person / per session
per person / per session
Entire Venue
45
60
Mizo
Belfast
This space features various seating options, including wooden tables, bright yellow chairs and booth seating along the wall. There's a bar at the centre decorated with plants hanging from the ceiling.
from £32
per person / per session
per person / per session
Private Dining
16
20
Holohan's Pantry
Belfast
The private room seats up to sixteen. It’s tucked away, giving you a bit of peace and quiet — just right for small parties, work gatherings or marking a special occasion.
FAQs about Top 21st Birthday Party Venues in Belfast
Booking costs of 21st birthday party venues average £100 hire fee per hour. 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 April 2026:
| From £60 | to £140 | hire fee per hour |
| From £19 | to £26 | per person |
| From £150 | to £175 | hire fee per event |
You'll find 21st 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 Belfast, together with the standard prices in each size range, based on Tagvenue data (April 2026):
| Small | up to 25 guests | prices average £50 hire fee per hour |
| Medium | between 45 and 60 guests | prices average £100 hire fee per hour |
| Large | over 70 guests | prices average £150 hire fee per hour |
These are the venues within 0.2 mi from central Belfast, available to book on Tagvenue:
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Havana Bar & Mezzanine at Revolución de Cuba Belfast
on 25-39 Arthur Street - 0.1 mi from centre.
Venue said: The Mezzanine is an event space within the main venue, ideal for networking, team celebrations, finger food affairs, Christmas parties and 'just because' celebrations. -
Upstairs Hall at Mizo Express
on 19 Bridge Street - 0.1 mi from centre.
Venue said: Mizo Express is an Asian street food restaurant located in Belfast's city centre. Designed for quick dining and relaxed meals, the space offers both sit-in and takeaway options. -
Studio Gallery at Belfast Exposed Photography
on 23 Donegall Street - 0.2 mi from centre.
Venue said: Belfast Exposed Photography is an art gallery and a photography centre located in Belfast, UK. We offer a range of services and spaces for private hire.
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Page last updated in April 2026
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