Onyx
Contact and location
- Telephone
- 01344 875123
- Address
- Onyx
1 High Street
Ascot SL5 7JF
Popular times Estimated
An estimate for a typical Saturday, based on usual demand at restaurants of this type. It is not based on live visitor data.
Location and map
About Onyx
Onyx trades as a Greek restaurant from premises in Ascot. The address is 1 High Street, SL5 7JF. It sits in the Windsor and Maidenhead council area, part of South East. The SL5 postcode district has 17 further listings on UK Rest, shown below.
In its own words: “Taste the exceptional offerings at Onyx | Ascot's Modern Fusion Cuisine - BAR & RESTAURANT, a haven for food & drinks enthusiasts.” Typical Greek choices include Kleftiko, Baklava and Moussaka. The restaurant's current menu may differ.
Customers can use table bookings. At its latest food hygiene inspection on 10/06/2026, Windsor and Maidenhead gave it a rating of 2 (improvement necessary). For bookings and questions, call 01344 875123.
Services and facilities
- Takes reservations
Food hygiene rating
Food hygiene 2/5 (Improvement necessary) – inspected on by Windsor and Maidenhead. View on the Food Standards Agency website.
Photos
Frequently asked questions
Where is Onyx?
Onyx is at 1 High Street, Ascot SL5 7JF. It is in the Windsor and Maidenhead council area.
What is the phone number for Onyx?
You can call Onyx on 01344 875123.
What type of food does Onyx serve?
Onyx serves Greek food.
Can I book a table at Onyx?
Yes, Onyx accepts table reservations. Call 01344 875123 to book.
What is the food hygiene rating of Onyx?
Onyx has a food hygiene rating of 2 (improvement necessary) after an inspection on 10/06/2026, awarded by Windsor and Maidenhead.
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