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Top Cheap Birthday Party Venues in Cardiff
The candles only come once a year, so the celebration should never feel like an afterthought. Cardiff serves up budget-friendly party spots all across the city, from lively bars on St Mary Street to welcoming restaurants in Pontcanna and hidden gems around Cardiff Bay. Cheap birthday party venues in Cardiff make it easy to gather your favourite people without watching every penny all evening. Browse below, pick your favourite and save the splashing out for the birthday drinks instead.
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![PARTY AND EVENT VENUE at DNC BAR in Cardiff Centre]()
from £100
hire fee / per sessionCheck availabilityPARTY AND EVENT VENUE
120 guestsDNC BARCardiff Centre
#Supervenue
LLara J.
“Staff were fantastic, venue is perfect for an 18th party.” -
![Main Inside & Viewing Deck at Lo Lounge in Cardiff]()
from £100
hire fee / per dayCheck availabilityMain Inside & Viewing Deck
220 guestsLo LoungeCardiffLLisa K.
“They would hard all night. Location was great over looking the bay. Would highly recommend booking this venue.” -
![Rockpools Dining Area at The Botanist Cardiff Bay in Cardiff]()
from £800
minimum spend / per sessionCheck availabilityRockpools Dining Area
30 guestsThe Botanist Cardiff BayCardiffHHelena K.
“28 of us celebrated a special birthday at the rock pool area. Food and drinks were lovely.” -
![Private Upstairs Room at O'Neill's Trinity Street Cardiff in Cardiff Centre]()
from £200
minimum spend / per sessionCheck availabilityPrivate Upstairs Room
100 guestsO'Neill's Trinity Street CardiffCardiff Centre
#Supervenue
CChristopher W.
“Great size venue for our party and brilliant location.” -
![Ricoh Suite at Cardiff City Stadium in Cardiff Outskirts]()
from £235
hire fee / per sessionCheck availabilityRicoh Suite
750 guestsCardiff City StadiumCardiff OutskirtsAAlun J.
“Splendid venue and excellent support from the duty staff and the events planner.” -
![Private Dining Room at The Botanist Cardiff Central in Cardiff Centre]()
from £300
minimum spend / per sessionCheck availabilityPrivate Dining Room
12 guestsThe Botanist Cardiff CentralCardiff Centre
#Supervenue
MMaggie N.
“Great private dinning space which allowed us to be comfortable with our mixed group which included toddlers.” -
![Conservatory (2nd Floor) Bar at The Botanist Cardiff Central in Cardiff Centre]()
from £1000
minimum spend / per sessionCheck availabilityConservatory (2nd Floor) Bar
90 guestsThe Botanist Cardiff CentralCardiff Centre
#Supervenue
WWendy
“The atmosphere very good and topped with beautiful weather. The manager on the night was helpful and friendly.” -
![Upper Level at Be At One Cardiff in Cardiff Centre]()
from £250
minimum spend / per sessionCheck availabilityUpper Level
100 guestsBe At One CardiffCardiff CentreAt Be At One Cardiff, our Upper Level offers the perfect space for your next private event. Whether you’re hosting a corporate function, a birthday celebration, or a festive Christmas party, this exclusive area provides a -
![Bar 3 at Bonnie Rogues Pub in Cardiff Centre]()
from £250
minimum spend / per sessionCheck availabilityBar 3
120 guestsBonnie Rogues PubCardiff Centre
#Supervenue
AAngela D.
“The area was perfect for our event. Easy access to the bar.” -
![Bar 4 at Bonnie Rogues Pub in Cardiff Centre]()
from £250
minimum spend / per sessionCheck availabilityBar 4
250 guestsBonnie Rogues PubCardiff Centre
#Supervenue
MMartina F.
“Excellent space! In the mix so we still benefitted from the atmosphere of the bar, and easy access to drinks.” -
![The Greenhouse at The Botanist Cardiff Central in Cardiff Centre]()
from £500
minimum spend / per sessionCheck availabilityThe Greenhouse
30 guestsThe Botanist Cardiff CentralCardiff Centre
#Supervenue
IIwan S.
“Great little space, set off from the main restaurant. Worked great for our family celebration.” -
![Full Venue Hire at Be At One Cardiff in Cardiff Centre]()
from £500
minimum spend / per sessionCheck availabilityFull Venue Hire
280 guestsBe At One CardiffCardiff CentreBut don’t just take our word for it—come experience the magic yourself. Our venue is the ideal spot for corporate functions, birthdays, and Christmas parties, providing an energetic atmosphere that will make any event truly
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FAQs about Top Cheap Birthday Party Venues in Cardiff
Booking costs of cheap birthday party venues average £500 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 Cardiff, based on Tagvenue data:
| From £300 | to £1500 | minimum spend per event |
| From £12 | to £35 | per person |
| From £125 | to £235 | hire fee per event |
Based on the popularity and user ratings on Tagvenue (updated September 2026), the best options include:
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Main Inside & Viewing Deck at Lo Lounge in Cardiff - rated 5/5
Our user said: ‘Location was great over looking the bay. Would highly recommend booking this venue.’ -
Private Upstairs Room at O'Neill's Trinity Street Cardiff in Cardiff Centre - rated 5/5
Our user said: ‘Venue was great size, bar staff were brilliant...’ -
PARTY AND EVENT VENUE at DNC BAR in Cardiff Centre - rated 4.8/5
Our user said: ‘The venue was a great size, places to sit down, could connect to the speaker...’
You'll find cheap 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 Cardiff, together with the standard prices in each size range, based on Tagvenue data (September 2026):
| Small | up to 50 guests | prices average £500 minimum spend per event |
| Medium | between 70 and 110 guests | prices average £300 minimum spend per event |
| Large | over 180 guests | prices average £500 minimum spend per event |
These are the venues within 0.1 mi from central Cardiff, available to book on Tagvenue:
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Full Venue Hire at Slug and Lettuce Cardiff Central
on 84 Saint Mary Street - 0.1 mi from centre.
Venue said: Slug and Lettuce Cardiff Central is a modern and floral oasis, dedicated to all things beautiful and bloomed. Ideally located within a few minutes walk from Cardiff station and on the busiest street in town, this restaurant... -
The Gallery (Upstairs) at The Cocktail Club Cardiff
on 75 Saint Mary Street - 0.1 mi from centre.
Venue said: The top floor bar ‘The Gallery’ – the hottest spot in Cardiff to throw your next serious soiree in. -
Bar 3 at Bonnie Rogues Pub
on 42-43 St Mary Street - 0.1 mi from centre.
Our user said: ‘Excellent space! In the mix so we still benefitted from the atmosphere of the bar, and easy access to drinks.’
Based on Tagvenue data (as of September 2026), users looking for cheap birthday party venues most commonly go for these venue types:
| Bar | prices average £500 minimum spend per event | typically between 80 and 300 guests |
| Event Space | prices average £2160 hire fee per day | typically between 70 and 220 guests |
| Pub | prices average £400 minimum spend per event | typically between 50 and 120 guests |
| Restaurant | prices average £800 minimum spend per event | typically between 30 and 90 guests |
| Cocktail Bar | prices average £150 hire fee per event | typically between 70 and 100 guests |
Smaller cheap birthday party venues usually fit up to 50 guests standing. Here are some great options in Cardiff, based on Tagvenue data as of September 2026:
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Downstairs Section at O'Neill's Trinity Street Cardiff, rated 5/5 - function room for 40 guests
Our user said: ‘From start to finish everything went smoothly. The Gold buffet package was outstanding, the food was gorgeous.’ -
Victoria Suite at Hilton Cardiff - meeting room for 20 guests
Venue said: Named after the iconic Victoria Park in the Canton district of Cardiff, this versatile room is perfect for small meetings, demonstrations, screenings and so much more! -
Reserve Area at The Piano Works Cardiff, rated 5/5 - event space for 40 guests
Venue said: An iconic venue located in Cardiff, The Piano Works sets the stage for an event you won't forget. Our Cardiff venue will host up to 700 live music lovers in one electrifying space with our iconic duelling pianos at the heart...
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Page last updated in September 2026
To provide you with relevant information, our pages are refreshed using an algorithm that aggregates real-time data, including bookings, reviews, and venue updates.