Reservations
Make a reservation
Book online with ResDiary for lunch, dinner, brunch, Sunday roasts, events and private celebrations at Onyx.
Book online
Reserve your table with ResDiary
A 12.5% service charge is added to the final bill.
Book online
Reserve for Italian dining, brunch, events and private occasions
Use the ResDiary booking widget to choose live online availability at Onyx in Hornchurch, including your preferred date, time and party size.
For birthdays, allergies, special seating requests, larger parties or private events, add notes during booking or call the restaurant team before visiting.