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Top Bars with Function Rooms in Cardiff
Looking for bars with private rooms in Cardiff? You’ve just hit the jackpot. Whether it’s a birthday blowout in the Brewery Quarter, a cheeky cocktail night in Canton, or a quiet celebration in Pontcanna, Cardiff’s bar scene has private spaces perfect for every plan. Want a stylish lounge with neon lights? A cosy room in a classic pub near Castle Street? Or a rooftop spot to toast under the Welsh sky? Whatever your vibe, Cardiff’s got the goods and we’re here to help you book it without the faff. Keep scrolling and find the private party spot your night deserves.
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![Cabin 2 at Lo Lounge in Cardiff]()
from £80
hire fee / per afternoonCheck availabilityCabin 2
55 guestsLo LoungeCardiffLLisa K.
“They would hard all night. Location was great over looking the bay. Would highly recommend booking this venue.” -
![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 Den (Basement) at The Cocktail Club Cardiff in Cardiff Centre]()
from £300
minimum spend / per sessionCheck availabilityThe Den (Basement)
60 guestsThe Cocktail Club CardiffCardiff CentreThe Den (Basement) is a private basement bar in The Cocktail Club Cardiff, notable for its intimate, subterranean character. Design: The interior presents a low, enclosed space defined by exposed stone and brick walls and -
![Bar 3 at Barbara's Bier Haus Cardiff in Cardiff Centre]()
from £250
minimum spend / per sessionCheck availabilityBar 3
80 guestsBarbara's Bier Haus CardiffCardiff CentreBar 3 is a Bar in Barbara's Bier Haus Cardiff that provides an intimate, semi-private setting separate from the main bar. Design: The room has timber-panelled walls and exposed brick accents paired with a dark ceiling that -
![Downstairs at Prego Wine Bar in Cardiff Centre]()
from £10
per person / per sessionCheck availabilityDownstairs
72 guestsPrego Wine BarCardiff CentreThe downstairs at Prego Wine Bar can host up to 45 guests. This space is fit for smaller gatherings. There are couches and tables available. -
![Upstairs at Par 59 Cardiff in Cardiff Centre]()
from £30
per person / per sessionCheck availabilityUpstairs
250 guestsPar 59 CardiffCardiff CentreUpstairs, a Private space in Bar Par 59 Cardiff, is a games-focused room defined by illuminated shuffleboard lanes that anchor its layout. Design: The room has low ceilings, dark-painted walls and exposed services that produce -
![The Duchess at Lo Lounge in Cardiff]()
from £80
hire fee / per afternoonCheck availabilityThe Duchess
50 guestsLo LoungeCardiffThe Duchess is a Private space in Lo Lounge and is a long, narrow room organised around a single banquet-style table that creates an intimate, private dining layout. -
![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 CentreThis cocktail bar and late-night club centres on theatrical cocktail service and a party-orientated layout. Design: The interior centres on curved burgundy banquettes and timber slatted panelling set beneath a prominent neon -
![Viewing Deck at Lo Lounge in Cardiff]()
from £125
hire fee / per afternoonCheck availabilityViewing Deck
120 guestsLo LoungeCardiffLooking for a stunning event space with unbeatable views? The Viewing Deck is the perfect fully enclosed setting for your next gathering, offering a spacious area with a mix of seating and standing space over looking Cardiff -
![Venue Hire at Boom Battle Bar Cardiff in Cardiff Centre]()
from £3000
hire fee / per sessionCheck availabilityVenue Hire
700 guestsBoom Battle Bar CardiffCardiff CentreBoom Battle Bar Cardiff is a games-focused bar pairing a cocktail-led bar with an American-style pub menu. Venue highlights: The venue converts for private hires into an activity-led social space, with separate indoor and -
![Top Bar at Slug and Lettuce Cardiff Central in Cardiff Centre]()
from £100
minimum spend / per sessionCheck availabilityTop Bar
200 guestsSlug and Lettuce Cardiff CentralCardiff CentreBest for: Group brunch bookings and bottomless-brunch gatherings; cocktail receptions and after-work socials; promoted or ticketed party nights. Location: Cardiff city centre on the city's main hospitality strip. -
![The Duchess & Outside Space at Lo Lounge in Cardiff]()
from £225
hire fee / per afternoonCheck availabilityThe Duchess & Outside Space
185 guestsLo LoungeCardiffLo Lounge is a bar-café and events venue that combines American-style food and drink with a multi-area layout centred on indoor lounges and a large outdoor terrace.
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FAQs about Top Bars with Function Rooms in Cardiff
Booking costs of bars with private rooms 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 £25 | to £35 | per person |
| From £100 | to £400 | hire fee per event |
Based on the popularity and user ratings on Tagvenue (updated October 2026), the best options include:
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Cabin 2 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 4.8/5
Our user said: ‘Venue was great size, bar staff were brilliant...’ -
Bar 4 at Bonnie Rogues Pub in Cardiff Centre - rated 4.7/5
Our user said: ‘The area was perfect for our event. Easy access to the bar.’
You'll find bars with private rooms 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 (October 2026):
| Small | up to 60 guests | prices average £500 minimum spend per event |
| Medium | between 70 and 120 guests | prices average £300 minimum spend per event |
| Large | over 220 guests | prices average £1000 minimum spend per event |
These are the venues within 0.1 mi from central Cardiff, available to book on Tagvenue:
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Upstairs Room at O'Neill's St Mary Street Cardiff
on 85-87 St Mary St, Cardiff - 0.1 mi from centre.
Our user said: ‘What I liked about the place we rented was the great location, fantastic atmosphere, and friendly staff.’ -
Top Bar at Slug and Lettuce Cardiff Central
on 84 Saint Mary Street - 0.1 mi from centre.
Venue said: Top Bar, a Bar in Slug and Lettuce Cardiff Central, is a compact, self-contained bar area. Design: The Top Bar has a contemporary fit-out featuring light wood flooring, a marble-front counter, exposed ceiling services and... -
The Den (Basement) at The Cocktail Club Cardiff
on 75 Saint Mary Street - 0.1 mi from centre.
Venue said: Let your wild side out with our latest edition to The Cocktail Club’s group. Expect all the usual TCC stuff – fit cocktails, banging tunes and energetic bartenders – along with a big fat dose of Victorian-style townhouse...
Smaller bars with private rooms usually fit up to 60 guests standing. Here are some great options in Cardiff, based on Tagvenue data as of October 2026:
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Cabin 3 at Lo Lounge, rated 5/5 - event space for 45 guests
Venue said: Best for: Family-friendly celebrations that include children; ticketed community events and small festivals; private birthday parties and milestone gatherings. -
The Tiger Bar (Ground Floor) at The Cocktail Club Cardiff, rated 5/5 - bar for 60 guests
Venue said: The Tiger Bar has its own private bar, giving groups a separate setting while still being part of the wider venue. -
Bar 1 at Bonnie Rogues Pub, rated 4.7/5 - bar for 30 guests
Our user said: ‘Easy access to the bar. The staff looked after us, and we all had a good time.’
Cheap bars with private rooms in Cardiff start from £250 minimum spend per event or £80 hire fee per event. Check out these budget-friendly spaces you can book through Tagvenue, as of October 2026:
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Bar 4 at Bonnie Rogues Pub, from £250 minimum spend per event (up to 250 guests standing)
Our user said: ‘The area was perfect for our event. Easy access to the bar.’ -
Cabin 3 at Lo Lounge, from £80 hire fee per event (up to 45 guests standing)
Venue said: Lo Lounge supplies in-house catering and full bar service with halal, vegan and gluten-free menu options for private hires. The venue runs promoted and ticketed events and offers accessible facilities plus free parking for... -
Private Room in A Lounge at Wow Lounge Cardiff, from £15 hire fee per hour (up to 25 guests standing)
Venue said: Our lounge provides a setting for intimate gatherings, private parties, or VIP events. A capacity for up to 20 guests. We have plush seating and lovely lighting that sets the mood.
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Page last updated in October 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.