Birthday Party Venues for Hire in Cardiff

Booking costs of birthday party venues average £600 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 February 2026:

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

• 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 4.9/5
  Our user said: ‘The staff were so amazing and nothing was to much trouble...’

• Private Dining Room at The Botanist Cardiff Central in Cardiff Centre - rated 4.8/5
  Venue said: One of the most popular places in Cardiff with their beautiful Rooftop Terrace. The Botanist is a botanical restaurant on Church Street, serving international inspired dishes, hosting live music and beautiful cocktails.

You'll find 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 (February 2026):

These are the venues within 0.1 mi from central Cardiff, available to book on Tagvenue:

• Upstairs Room at O'Neill's St Mary Street Cardiff on 85-87 St Mary St, Cardiff - 0.1 mi from centre.
  Venue said: Our first-floor space at O'Neill's St Mary Street is the ideal venue for any occasion—whether it's a meeting, an all-day conference, a Christmas or engagement party, a milestone birthday, a networking event, a live music...
• Top Bar at Slug and Lettuce Cardiff Central on 84 Saint Mary Street - 0.1 mi from centre.
  Venue said: Slug & Lettuce Cardiff Central is a floral-filled escape in the heart of the city—just a short walk from Cardiff station and right on the busiest street in town.
• The Den 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...

Cardiff offers a variety of outdoor birthday venues, including rooftop terraces, pub gardens, and lawns. For example, The Botanist Cardiff Central near Cardiff Centre features a spacious space, accommodating up to 100 guests for a birthday celebration. Gaucho Cardiff by the Cardiff Centre is also a fantastic choice, offering a charming space accommodating up to 20 guests.

Cardiff's unique birthday party locations include the executive box at Cardiff City Stadium, which offers a panoramic view of the pitch. The space accommodates up to 12 guests, so it's perfect for a group of sports fans looking to celebrate in a VIP setting. Another great option is Everyman Cardiff in the City Centre, which features multiple private screening rooms. Here, you can screen your favourite film, host a movie-themed party, or showcase a unique slideshow of memories for your birthday celebration.

You can find birthday party venues in Cardiff that offer various party game options, such as arcade games, darts, and karaoke, to add extra fun to your celebration. You can enjoy darts with the guidance of game masters at Flight Club Cardiff on Saint Marty Street.