21st Birthday Party Venues for Hire in Bath

Booking costs of 21st birthday party venues average £1000 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 Bath, based on Tagvenue data:

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 Bath, together with the standard prices in each size range, based on Tagvenue data (October 2026):

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

• Whole Venue at Baba's Mezze Bath on 19 Barton Street - 0.1 mi from centre.
  Venue said: The venue includes free on-site parking to ease arrivals for guests and suppliers. Best for: Private dinner parties, shared-meal celebrations and cocktail receptions are well matched to the menu and service model.
• Draper at Bath Royal Literary & Scientific Institution on 16 Queen Square - 0.1 mi from centre.
  Venue said: Location: Queen Square sits within Bath's formal Georgian square and places the venue in the city's cultural quarter; nearby restaurants, bars and museums give guests options to continue after an event.
• Electric Bar at Komedia on 22-23 Westgate Street - 0.1 mi from centre.
  Venue said: Design: The Electric Bar is an open-plan, ground-floor space with wide-plank wooden flooring, pale walls and track lighting, punctuated by a framed poster gallery, a piano and simple shelving and seating.

Based on Tagvenue data (as of October 2026), users looking for 21st birthday party venues most commonly go for these venue types:

Smaller 21st birthday party venues usually fit up to 40 guests standing. Here are some great options in Bath, based on Tagvenue data as of October 2026:

• Henrietta Bar & Restaurant at The Roseate Villa Bath, rated 5/5 - restaurant for 40 guests
  Our user said: ‘Really good service, flexible with timings!’

• The Roman Room at Square Grill Brasserie Restaurant & Piano Bar, rated 5/5 - dining room for 40 guests
  Venue said: The service is attentive and accommodating during private evening bookings, and staff regularly arrange small celebrations such as birthday treats.

• The Pulteney Room at No.15 by GuestHouse, Bath, rated 4.9/5 - function room for 16 guests
  Venue said: At No.15, our commitment to hospitality extends beyond mere functionality. Each of our guest areas and corporate event spaces is infused with a distinctive sense of wit and personality.

Cheap 21st birthday party venues in Bath start from £150 minimum spend per event or £20 per person. Check out these budget-friendly spaces you can book through Tagvenue, as of October 2026:

• Labyrinth Nightclub Disco Bar at Labyrinth Bar & Nightclub, from £150 minimum spend per event (up to 150 guests standing)
  Venue said: Labyrinth Bar & Nightclub is a multi-room nightclub centred on several distinct dancefloors, each room programmed with different music styles. Venue highlights: Labyrinth's layout gives hosts access to several separate rooms...

• Main Dining at The Coconut Tree Bath, from £24 per person (up to 100 guests standing)
  Venue said: If you’ve got something to celebrate, why not take over the whole place? The Coconut Tree Bath can fit around 100 guests, making it a top spot for birthdays, work dos, or a big get-together with your crew.

• The Elder Room at The Huntsman, from £25 per person (up to 80 guests standing)
  Venue said: What guests say: The room is beautifully presented for private celebrations, and event planning support is attentive and well organised.