You only turn 30 once, so let’s make it count. If you're planning a lavish dinner in Knightsbridge, a rooftop bash overlooking Chelsea’s skyline, or an all-night celebration in a private club, we have the best venues to match your occasion. Imagine popping champagne in a hidden speakeasy or celebrating in a private bar with a private bartender crafting your favourite drinks. Whatever your vibe, Kensington and Chelsea have the 30th birthday party venues to make it happen. Browse top spots on Tagvenue, compare options, and book your favourite spot with ease. Time to throw a party you’ll still be talking about at 40.
Booking costs of 30th 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 Kensington and Chelsea, based on Tagvenue data from December 2025:
| From £500 | to £2000 | minimum spend per event |
| From £50 | to £60 | per person |
| From £100 | to £275 | hire fee per hour |
Based on the popularity and user ratings on Tagvenue (updated December 2025), the best options include:
The Cellar Space at The Mall Tavern
in Kensington - rated 4.9/5
Our user said: ‘Had a great time here for my wife's 30th birthday party.’
The Jabberwocky at Callooh Callay Chelsea
in Chelsea - rated 4.8/5
Our user said: ‘Would definitely use this venue again as the staff were so great :)...’
Mercury Lounge & Secret Garden at The Champion
in Bayswater - rated 4.8/5
Our user said: ‘We loved the room & garden. Cynthia was fantastic & looked after us so well. She is a credit to your business.’
You'll find 30th 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 Kensington and Chelsea, together with the standard prices in each size range, based on Tagvenue data (December 2025):
| Small | up to 40 guests | prices average £500 minimum spend per event |
| Medium | between 50 and 75 guests | prices average £1000 minimum spend per event |
| Large | over 80 guests | prices average £1600 minimum spend per event |
Page last updated in December 2025
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