40th Birthday Venues for Hire in Cardiff

Booking costs of 40th birthday 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 Cardiff, based on Tagvenue data from December 2025:

Based on the popularity and user ratings on Tagvenue (updated December 2025), the best options include:

• Cabin 1 at Lo Lounge in Cardiff - rated 5/5
  Venue said: Lo Lounge’s private shipping containers offer a stylish and versatile space for events, meetings, or celebrations. Each container seats up to 45 guests and includes heating, cozy blankets, and a mini fridge stocked with drinks.

• Corner Suites at Cardiff City Stadium in Cardiff Outskirts - rated 5/5
  Venue said: With a capacity of up to 70 guests, this space not only caters to adult gatherings but also offers a unique setup ideal for kids' parties or team day outs, featuring a full PlayStation setup that adds a playful touch to the...

• 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...’

You'll find 40th birthday 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 (December 2025):

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

• Full Venue Hire at Popworld Cardiff on 96 Saint Mary Street - 0.1 mi from centre.
  Venue said: Cardiff's Popworld is a disco dream with 2-for-1 cocktails and party tunes, there's even a light-up dance floor where obligatory macarena dancing takes place.
• Bar 4 at Bonnie Rogues Pub on 42-43 Saint 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.’
• Basement Bar at BrewDog Cardiff on Westgate Street 31 - 0.1 mi from centre.
  Venue said: BrewDog Cardiff is great for birthdays, team nights, or any excuse to grab a drink. What can you find here? The space has an industrial style, flexible seating, and a lively vibe.

• Start choosing the type of celebration you want. Consider the size of your guest list and the atmosphere you're aiming for – is it going to be a family gathering in a private dining room like the one at Gaucho Cardiff’s, or something in between?
• Next, think about location and convenience. Choose a venue that your guests can reach easily, and check if it offers essential amenities like parking, catering options, or a sound system for entertainment. If you’d like to personalise the hired space, look for venues that allow you to decorate or that offer customisable packages to fit your vision.
• Lastly, check reviews and ratings from past customers to get a sense of what you can expect from a particular venue. 

That’s it! With these factors in mind, you're sure to find the perfect venue to make your 40th birthday celebration truly magical!

To secure the best venue for your 40th birthday in Cardiff, try to book it at least 3 to 6 months in advance. Popular venues in high-demand areas, such as Cardiff Bay or the city centre, usually get booked quickly, especially during summer weekends or the holiday season. If your event falls on a holiday or during busy months (May to September and December), think about booking even earlier to avoid disappointment.

If you’re looking at quieter times of the year or areas with lower demand, such as Cardiff’s outskirts, you may have more flexibility and could potentially book closer to your event date. However, it’s always a good idea to plan ahead, particularly if you’re seeking a specific style of venue or additional services like catering or entertainment. Booking early also gives you more time to plan your celebration and coordinate with vendors.

Inclusions vary depending on the venue, but most offer the necessary amenities to ensure your celebration runs smoothly. Typically, you can expect the basics, such as tables, chairs, and access to facilities like restrooms and a bar. Many venues also offer catering packages, which can include food and drinks. Some may have event staff on hand to help with setting up and managing the event. For added convenience, many 40th birthday venues provide audio-visual equipment like sound systems or projectors for entertainment or speeches.