Turning 40 is a milestone worth celebrating, and the City of London has just the venues for it! Explore bars on Fleet Street, hotels with stylish function rooms in Bishopsgate, and charming lounges near Leadenhall Street. From the historic charm of Charterhouse Square to numerous historic pubs, our curated listings have you covered. Whether it's a rooftop bash or an intimate private dining affair, our 40th birthday party venues in the City of London will ensure a memorable celebration. Toast to four fabulous decades in style! Make this birthday unforgettable with Tagvenue.
Booking costs of 40th birthday party venues average £1250 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 City of London, based on Tagvenue data from May 2026:
| From £500 | to £2000 | minimum spend per event |
| From £37 | to £60 | per person |
| From £65 | to £175 | hire fee per hour |
Based on the popularity and user ratings on Tagvenue (updated May 2026), the best options include:
Patch Main Bar at Patch St Paul's
in Blackfriars - rated 4.8/5
Our user said: ‘Amazing venue, location and extremely friendly and helpful staff. Great place to throw a birthday party!’
Whole Venue at St Ethelburga's Centre
in Tower Hill - rated 4.8/5
Our user said: ‘The venue was stunning, really centrally located, and was perfect for the theme of the party (prom).’
The Speakeasy at MNM
in Tower Hill - rated 4.8/5
Our user said: ‘I booked this venue for my birthday and it was perfect!’
You'll find 40th 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 City of London, together with the standard prices in each size range, based on Tagvenue data (May 2026):
| Small | up to 50 guests | prices average £500 minimum spend per event |
| Medium | between 80 and 120 guests | prices average £1500 minimum spend per event |
| Large | over 125 guests | prices average £1500 minimum spend per event |
Based on Tagvenue data (as of May 2026), users looking for 40th birthday party venues most commonly go for these venue types:
| Lounge | prices average £1000 minimum spend per event | typically between 60 and 100 guests |
| Cocktail Bar | prices average £500 minimum spend per event | typically between 50 and 120 guests |
| Restaurant | prices average £1500 minimum spend per event | typically between 40 and 120 guests |
| Event Space | prices average £750 minimum spend per event | typically between 50 and 150 guests |
| Bar | prices average £1000 minimum spend per event | typically between 80 and 180 guests |
Page last updated in May 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.