Contact Onyx
Speak to the team
Contact Onyx Restaurant & Bar in Hornchurch for bookings, private functions, allergy questions, opening hours, directions and events.
Send an enquiry
How can we help?
Contact Onyx
Restaurant enquiries, private functions and guest questions
Use the contact form for private function enquiries, large tables, allergy questions, event details and general messages for Onyx Restaurant & Bar in Hornchurch.
For table reservations, use the ResDiary booking page. For urgent same-day questions, calling the restaurant is the fastest way to reach the team.