Graysons Hospitality @ The Royal Society
6-9 Carlton House Terrace, SW1Y 5AG
Other catering premisesFood hygiene rating
2 out of 5 · Improvement necessary
Yum Score
49/ 100Poor
Official rating
34 / 85
Inspection recency
15 / 15
A single 0 to 100 view of the official inspection record: the FSA rating, the three inspection sub-scores and how recent the inspection is. Our own index, not an official mark. How it works
Rating history
Rated 2 · Improvement necessary
CurrentInspected 15 June 2026
The Food Standards Agency publishes only the current rating for each venue. Yum Britannia checks every venue nightly and records any change here. Tracking began in July 2026, so earlier changes are not shown.
About Graysons Hospitality @ The Royal Society
Graysons Hospitality @ The Royal Society is a other catering premises located at 6-9 Carlton House Terrace, SW1Y 5AG. It serves the SW1 postcode district in London.
As of 15 June 2026, it holds a Food Standards Agency hygiene rating of 2 out of 5. This rating was given during the most recent inspection and reflects the conditions observed at that time.
You can find the full official record of this establishment's inspections on the FSA website. Hygiene ratings are updated as new inspections are carried out, typically every 6 to 18 months depending on the premises type.
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Data: Food Standards Agency food hygiene ratings, used under the Open Government Licence v3.0. Ratings reflect the most recent inspection and may have changed since. Yum Britannia is independent and not affiliated with the FSA.