Get an instant quote to unlock offer Exclusive offer available at this venue
Up to 55standing
Up to 43seated
Dinner Partybest for
About this space
Welcome to the Upper Onyx, an exclusive space upstairs at Onyx Italian Restaurant, offering seating for up to 43 guests and standing room for 55. This stylish and cozy venue is perfect for corporate events, birthday parties, and more. With its intimate setting, the Upper Onyx is designed to create unforgettable memories for gatherings of all kinds. The attentive staff ensures that every detail of your event is taken care of, from personalized menu selections featuring signature Italian dishes to impeccable service throughout the evening. Whether hosting a professional networking event or celebrating a milestone with friends and family, the Upper Onyx exceeds expectations and provides a charming and sophisticated atmosphere.
Features
Wifi
Stylish decor and cozy ambiance
Space
45m² (484ft²)
Capacities
43 Dining
55 Standing
Guide prices
Indicative pricing based on standard rates. Request an instant quote for your exact brief.
Events
View profile →
Minimum spend
Every day, 09:00 - 17:00Every day, 09:00 - 17:00
£200 / Minimum spendLocation
Onyx 223 High StreetUnknown UB8 1LDLondon
NEW · Data-backed provisional quotes in 10 seconds.
Based on your requirements and real pricing data
or
BEST PRICEFAST RESPONSE4.8 GOOGLE
Get an instant quote to unlock offer Exclusive offer available at this venue
Concierge
Don't have time to search? We'll find it for you.
For business events that need human judgement, talk to our team. Free for 100 person+ events organised by businesses.
HIRE SPACE 360
Explore Hire Space 360 → One supplier. Every venue. Full visibility on what you spend.
Multiple venues and events. One agreement.
Other spaces at Onyx
DEEP RESEARCH
Other platforms search their database. We search everything.
Tell us what you need. Our deep research finds any venue, whether it's in our marketplace or not. No one else does this.
Similar Spaces to Upper Onyx at Onyx
Explore more venues in London
By area
By event type 
Party Venues 119 venues in Hillingdon 
Event Venues 157 venues in Hillingdon 
Formal Venues 1,989 venues in Greater London 
Free Event Venues 8,435 venues in United Kingdom 
Event Venues 8,372 venues in United Kingdom 
Christmas Party Venues 5,669 venues in United Kingdom 
Birthday Party Places 4,307 venues in United Kingdom 
Small Meeting Rooms 3,912 venues in United Kingdom