
Environmental Health Officer (EHO) inspections are a fact of life for every food business in England, Wales, and Northern Ireland. For Japanese restaurants — particularly those serving sushi, sashimi, and other raw fish preparations — these inspections carry specific expectations that go beyond what a standard restaurant might face. EHOs are trained to scrutinise raw fish handling, rice safety controls, freezing documentation, and allergen management with particular attention. A restaurant that excels at cooked food safety but falls short on raw fish documentation can easily receive a disappointing score.
In this guide, we explain exactly what EHOs look for when inspecting a Japanese restaurant, the three scoring areas and how they apply to sushi operations, the documentation you must have in place, and the common pitfalls that cost restaurants marks. Whether you are preparing for your first inspection or aiming to improve from a 3 to a 5, this guide will help you understand what is required.
What EHO Officers Look for in Sushi Restaurants
When an EHO visits a sushi restaurant, they are assessing the same three broad categories as any food business — but the specific evidence they look for reflects the unique risks of raw fish and rice preparation. The following areas receive heightened scrutiny:
- Raw fish documentation: EHOs expect to see evidence that fish intended for raw consumption has been frozen to at least -20 °C for 24 hours (or -35 °C for 15 hours) to kill parasites, in accordance with EU Regulation 853/2004 (retained in UK law). This means supplier freezing certificates, or your own freezing records if you freeze on-site.
- HACCP plan: A documented food safety management system based on HACCP principles is a legal requirement. For sushi restaurants, the HACCP plan must address specific hazards including parasite control in raw fish, Bacillus cereus in rice, allergen cross-contact, and cold chain management.
- Temperature monitoring records: Daily fridge and freezer temperature logs, delivery temperature checks, and rice cooling/pH records. EHOs will review several weeks of records to assess consistency.
- Allergen matrix: A complete, up-to-date allergen matrix covering every dish on the menu, including sauces, condiments, and complimentary items. Given the high allergen density of sushi menus, this is examined closely.
- Staff training records: Evidence that all food handlers have received appropriate food hygiene training, including training specific to raw fish handling, rice safety, and allergen awareness.
- Traceability records: The ability to trace every batch of fish back to its supplier, including delivery notes, invoices, and batch numbers. This is essential for food safety and for any recall situation.
The Three Scoring Areas and How They Apply
The Food Hygiene Rating Scheme (FHRS) scores food businesses on three areas, each of which has specific implications for Japanese restaurants serving raw fish. For a broader guide to improving your score, see our article on how to improve your food hygiene rating from 3 to 5.
Hygienic Food Handling
This category assesses how food is prepared, cooked, reheated, cooled, and stored. In a sushi restaurant, the EHO will focus on raw fish handling (separate chopping boards, knives, and storage), rice preparation and acidification, temperature control during display, and cross-contamination prevention between raw and cooked items. The officer will check whether raw fish is stored below cooked and ready-to-eat items in refrigerators, whether separate colour-coded equipment is used, and whether staff follow correct hand-washing procedures between handling raw and ready-to-eat foods.
Structural Compliance
This covers the physical condition and cleanliness of your premises, including the kitchen, storage areas, toilets, and any external areas. For sushi restaurants, officers pay particular attention to whether there are dedicated preparation areas for raw fish (ideally physically separated from other preparation zones), whether handwash basins are accessible and properly stocked with soap and disposable towels, and whether surfaces and equipment are in good repair and easy to clean. Sushi counters and display cases must be maintained at appropriate temperatures and kept in a hygienic condition.
Confidence in Management
This is often the most important category and the one that separates a score of 3 or 4 from a 5. The EHO assesses whether the business has a robust, documented food safety management system (HACCP), whether staff training is adequate and recorded, whether monitoring records are up to date and accurate, and whether the management team demonstrates a genuine understanding of and commitment to food safety. A well-documented HACCP plan with consistent monitoring records sends a powerful signal to the inspector that the business takes food safety seriously.
Raw Fish Documentation EHOs Expect to See
Raw fish served in sushi and sashimi must undergo a parasite destruction treatment before being served to customers. Under retained EU Regulation 853/2004, fish intended for raw consumption (with certain exemptions for farmed Atlantic salmon) must be frozen to at least -20 °C for not less than 24 hours, or -35 °C for not less than 15 hours. EHOs will expect to see the following documentation:
- Supplier freezing certificates: Written confirmation from your fish supplier that the product has been frozen to the required temperature and duration. These certificates should be retained on file and cross-referenced with delivery records.
- Delivery temperature logs: Records showing the temperature of fish products at the point of delivery. Fresh fish should arrive at 0–2 °C; frozen fish should arrive at -18 °C or below. Any deliveries outside these parameters should be recorded with the corrective action taken (e.g., rejected and returned to supplier).
- Fridge and freezer monitoring: Daily temperature logs for all refrigeration units, including dedicated fish fridges. Records should show consistent temperatures within the safe range, with any deviations and corrective actions documented.
- Traceability records: The ability to identify the supplier, species, date of receipt, and batch number for every piece of fish in your kitchen. This is essential for traceability in the event of a food safety incident or product recall.
Common Issues Found in Japanese Restaurants
Based on our experience supporting Japanese restaurants across the UK, we consistently see the same issues flagged during EHO inspections. Addressing these proactively is the most effective way to protect your rating. For a broader overview of common inspection failures, read our guide on common reasons restaurants fail EHO inspections.
- Rice left at ambient temperature without controls: This is the single most common issue. EHOs frequently find cooked sushi rice that has been sitting at room temperature for extended periods without documented pH testing or time controls. Without evidence of acidification (pH records), the officer will treat the rice as a high-risk item that is not being adequately controlled.
- Shared chopping boards for raw and ready-to-eat foods: Using the same board for breaking down whole fish and slicing sashimi, or using the same knife for raw chicken and sushi rolls, creates unacceptable cross-contamination risks. Colour-coded equipment systems should be in place and visibly used.
- Inadequate handwashing facilities or practices: Hand hygiene is critical when handling raw fish and ready-to-eat items in close succession. EHOs look for accessible handwash basins (not blocked by equipment or used for food preparation), antibacterial soap, disposable paper towels, and evidence that staff wash their hands between tasks.
- No allergen documentation for soy and sesame: Many Japanese restaurants fail to maintain an up-to-date allergen matrix or lack documentation for sauces and condiments that contain soy, sesame, wheat (in soy sauce), and other allergens. The EHO will ask to see your allergen records and may question staff on their knowledge.
- Missing or incomplete freezing documentation: Without supplier freezing certificates or in-house freezing records, you cannot demonstrate that fish served raw has undergone the required parasite destruction treatment. This is a serious non-compliance that can significantly impact your score.
Preparing Your Team
An EHO inspection is not just about paperwork — officers will observe your team in action and may ask individual staff members questions about food safety procedures. If staff cannot explain why they follow certain practices, it undermines the inspector's confidence in your management system, regardless of how thorough the documentation is.
Staff training: All food handlers should hold a minimum Level 2 Food Hygiene certificate. For sushi chefs and those handling raw fish, additional training in raw fish safety, rice acidification, and allergen management is strongly recommended. Our Food Safety for Sushi and Sashimi course is specifically designed for Japanese restaurant teams and covers all the areas EHOs assess.
Food safety qualifications: Keep copies of all staff training certificates on file. EHOs will ask to see these, and having them readily available demonstrates good management. Ensure training is refreshed regularly — certificates older than three years may be viewed unfavourably.
Communication about procedures: Ensure all staff — including those for whom English is not their first language — can explain basic food safety procedures relevant to their role. Consider translating key procedures into your team's first languages and conducting briefings at the start of each shift. An EHO who speaks to a kitchen porter and receives a confident, accurate answer about handwashing or waste disposal will be far more impressed than one who finds beautifully written documentation that staff have never read.
After the Inspection
Once the inspection is complete, the EHO will provide a written report detailing any issues found and, in due course, your food hygiene rating. Understanding your options after the inspection is important.
Right to reply: If you believe the inspection report does not accurately reflect your practices, or if there were extenuating circumstances, you have the right to submit a written response to the local authority. This response will be published alongside your rating on the FSA website. While it does not change the score, it provides context for customers.
Appealing your score: You can appeal your food hygiene rating if you believe it is unfair or based on an error. Appeals must be submitted within 21 days of receiving notification of your rating and are considered by the local authority (not the original inspecting officer). Appeals should be based on factual grounds — for example, if the officer recorded something incorrectly or failed to consider evidence you presented.
Requesting a re-rating: If you receive a score lower than 5 and subsequently make improvements to address the issues identified, you can request a re-rating visit. There is usually a fee for this (typically between £150 and £200, depending on the local authority), and you must be able to demonstrate that the improvements are embedded and sustainable, not just implemented the day before the re-inspection. Allow at least three months of consistent records before requesting a re-rating. For expert support in preparing for a re-rating visit, explore our food safety consulting services.
Frequently Asked Questions
How often are sushi restaurants inspected?
The frequency of EHO inspections depends on the risk rating assigned to your business. Restaurants that serve raw fish are typically classified as higher risk, which means more frequent inspections — usually every six to twelve months. Businesses with a consistently high food hygiene rating may be inspected less frequently, while those with a low score or a history of non-compliance can expect visits every six months or even more often. Inspections are unannounced, so you should always be inspection-ready.
Can I request a re-rating?
Yes. Under the FHRS, you have the right to request a re-rating visit after you have made improvements. You will need to pay a fee to the local authority (typically £150–£200), and you should ensure you have at least three months of consistent food safety records demonstrating your improvements before making the request. The re-rating visit will be conducted by an EHO, who will assess whether the improvements are genuine and sustainable. It is advisable not to request a re-rating until you are confident that all issues have been fully resolved.
What happens if I fail on raw fish handling?
If an EHO identifies serious concerns with raw fish handling — such as serving fish raw without evidence of parasite destruction freezing, or storing raw and ready-to-eat fish together without adequate separation — the consequences can be severe. At a minimum, you will receive a low food hygiene rating and a list of required improvements. In more serious cases, the EHO may serve a Hygiene Improvement Notice requiring specific actions within a set timeframe, or in extreme cases, a Hygiene Emergency Prohibition Notice that could force temporary closure of part or all of your operation. Taking immediate corrective action, documenting everything, and seeking professional support are essential steps if you receive an adverse finding.
Written by Carren Amoli, BSc (Hons), RSPH Registered


