Restaurant/Cafe/Canteen 📍 Plymouth City

Koishii

Plymouth

Food hygiene rating 4 / 5 · Good

Squeaky clean

Koishii scored a 4 out of 5 at its last inspection. Tuck in.

The breakdown

Hygiene Good Cleanliness & condition Generally satisfactory Confidence in management Good

Last inspected on 17 December 2025 by Plymouth City.

Rating over time

We have recorded 2 Food Standards Agency inspections for Koishii, from September 2019 to December 2025. Its hygiene rating has gone up, from 3 in 2019 to 4 in 2025.

Food hygiene rating (0 to 5) at each FSA inspection of Koishii.

Food hygiene rating history for Koishii
Inspection date	Rating	Verdict
26 September 2019	3 / 5	Generally satisfactory
17 December 2025	4 / 5	Good

What does this rating mean?

Koishii in Plymouth has a food hygiene rating of 4 out of 5 (good). On the Food Standards Agency scale, 5 is the best and 0 is the worst. A 4 out of 5 is good. Hygiene standards were found to be good at the last inspection, just short of the top mark.

The rating reflects standards found at the last inspection. It is not a verdict on how the food tastes - it scores how well the business manages food safety. How often a place is inspected depends on its risk: lower-rated and higher-risk businesses are revisited more often than spotless ones.

Where is it?

101 Mayflower Street,
Plymouth,
Devon,
PL1 1SD

This is the official Food Standards Agency hygiene badge for Koishii. The data is published by the FSA under the Open Government Licence.

Who inspects Koishii?

Food hygiene at Koishii is inspected by Plymouth City, the local authority responsible for this area. You can reach them at http://www.plymouth.gov.uk or [email protected].

Questions about Koishii

What is Koishii’s food hygiene rating?

Koishii has a food hygiene rating of 4 out of 5 (Good), based on its last Food Standards Agency inspection on 17 December 2025.

When was Koishii last inspected?

Koishii was last inspected by Plymouth City on 17 December 2025.

Is a 4 out of 5 hygiene rating good?

A 4 out of 5 is good. Hygiene standards were found to be good at the last inspection, just short of the top mark.

What do the food hygiene scores mean?

The rating combines three checks made on the day of the inspection: how hygienically food is handled, the cleanliness and condition of the premises, and how confident the inspector is that management will keep standards up. A higher overall score, from 0 up to 5, means fewer problems were found.