Digital Compliance & Ratings

Temperature Records That Impress EHO Inspectors

How to Maintain Temperature Records That Strengthen Your Food Hygiene Rating

Temperature control is the backbone of food safety. It spans all three FHRS assessment areas: hygienic food handling (are you cooking, cooling, and storing food at safe temperatures?), structural compliance (are your fridges and equipment maintaining correct temperatures?), and confidence in management (can you prove it?). Temperature records are usually the first documents an inspector asks to see, and the quality of those records sets the tone for the entire inspection. This guide covers exactly what temperature records should contain, how often checks should be done, and how to document corrective actions in a way that builds rather than undermines inspector confidence.

Key takeaways

Temperature records are typically the first documents an inspector reviews, and their quality sets the tone for the entire visit.
Fridge logs should show realistic variation with corrective actions for deviations, not suspiciously identical readings.
Cooking records should include corrective actions when initial probe checks are below target, not just successful readings.
Probe calibration records validate the accuracy of all your temperature data and are increasingly requested by inspectors.
Consistent records with documented corrective actions build more inspector confidence than perfect records with no deviations.

Fridge and Freezer Temperature Logs

Every fridge and freezer in your operation should have a documented temperature check at least twice daily: once at opening and once during or after service. Each entry should record the date, time, the equipment identified by name or number, the temperature reading, the name or initials of the person who took the reading, and any corrective action if the temperature was out of range. The legal maximum for chilled food storage is 8C, but best practice and inspector expectation is 5C or below. Freezers should maintain minus 18C or below. Inspectors look for consistency: 4 weeks of complete records with no gaps is the minimum expectation. They also look for realism. A fridge log showing exactly 3C at every reading for 28 consecutive days is less credible than one showing readings that vary between 2C and 5C with the occasional spike documented alongside a corrective action. Real fridges fluctuate, and records should reflect that reality. Digital temperature monitoring systems that log continuously and alert staff to deviations are particularly effective because they capture the full picture, including overnight temperatures and recovery times after the door has been opened.

Cooking and Reheating Temperature Records

Cooking temperature records demonstrate that your food reaches safe core temperatures. For each high-risk item cooked (meat, poultry, fish, eggs, rice), record the dish or product, the core temperature achieved (target 75C or 70C held for 2 minutes), the time the check was made, and who made the check. You do not need to probe every portion of every dish at every service, but you should probe-check representative samples of each high-risk item. If you cook 20 chicken breasts for a service, probe-check at least 2 from different positions in the oven or pan. Reheating records follow the same format: the item reheated, core temperature achieved (75C in England and Wales, 82C in Scotland), and who checked it. The most common temperature recording failure is only checking cooking temperatures when things are going well. If a probe check shows a chicken breast at 68C, the record should show that finding, the corrective action taken (returned to the oven for further cooking), and the subsequent successful check. This corrective action trail is exactly what builds Confidence in Management. An inspector seeing a log with 100% compliant readings is less convinced than one showing 98% compliant readings with clear corrective actions for the 2% that were not.

Hot Holding and Cooling Records

If you hold food hot for service, temperature checks should be recorded at least every 2 hours. Each entry records the dish, the holding temperature (target above 63C), the time, and the person who checked. If food drops below 63C, you have limited time to either reheat it to above 63C or discard it. Some operations use the 2-hour flexibility provision, which allows food to be displayed below 63C for a single period of up to 2 hours, but this must be documented with the time the food dropped below 63C and the time it was discarded. Cooling records are equally important for businesses that batch-cook and chill food for later use. Record the time cooling started (when food was removed from heat), the temperatures at 30-minute intervals, the method used (portioning, blast chilling, ice bath), and the time the food reached below 8C. The target is to cool food from 63C to below 8C within 90 minutes. If cooling takes longer, this must be documented as a deviation with a corrective action explaining what went wrong and what you have done to prevent recurrence. These records collectively demonstrate to the inspector that you actively manage temperature throughout the food lifecycle, not just at the cooking stage.
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Probe Calibration and Equipment Verification

Temperature records are only as reliable as the equipment used to take them. Inspectors increasingly ask about probe calibration, and the absence of any calibration records undermines the credibility of all your temperature data. Calibration does not require expensive equipment. The simplest method is to check your probe against boiling water (should read 100C at sea level, minus approximately 0.5C per 150m altitude) and an ice slurry (should read 0C). Record the date, the reference temperature, your probe reading, and any adjustment made. Do this weekly or at minimum monthly. Between calibrations, ensure probes are clean, undamaged, and responding quickly. A probe with a cracked seal or a slow response time gives unreliable readings. Digital logging systems often include automated calibration prompts and records, which eliminates this as a gap. Keep calibration records alongside your temperature logs so they are accessible during an inspection. An inspector who asks to see your calibration records and receives them immediately has increased confidence in the accuracy of all your temperature data.

What to do next

Calibrate all your probe thermometers this week

Check every probe against boiling water and an ice slurry. Record the results. Replace any probe that is more than 1C off at either reference point. Set a recurring monthly calibration schedule.

Add corrective action fields to your temperature log sheets

If your current temperature log only has columns for date, time, and temperature, add a column for corrective action. This ensures staff document their response to any out-of-range reading rather than leaving it blank.

Review your cooling procedure records

If you batch-cook and cool food, ensure you have documented time and temperature records for the cooling process. If cooling regularly takes longer than 90 minutes, investigate blast chilling or smaller batch sizes.

Common mistakes to avoid

Mistake
Only recording temperatures when they are within range
Instead
Out-of-range readings with documented corrective actions demonstrate a functioning system. Missing or selectively recorded data suggests you are hiding problems.
Mistake
Never calibrating probe thermometers
Instead
A probe that reads 3C low means your fridge could be at 8C when you record 5C. Weekly calibration takes 2 minutes and validates every temperature record you take.

Frequently asked questions

How many times a day should I check fridge temperatures?

At minimum, check and record fridge temperatures twice daily: at opening and during or after service. High-risk operations (care homes, large-scale production) should check more frequently. Digital monitoring systems that log continuously provide the strongest evidence, with alerts for any deviation between manual checks.

Do I need to record the temperature of every dish I cook?

You do not need to probe every single portion, but you should probe-check representative samples of each high-risk item at each cooking session. If you roast 10 chickens, probe at least 2 from different oven positions. If all readings are above 75C, you have reasonable assurance. Record the results and note which items were checked.

What should I do if my fridge temperature log shows a reading of 10C?

Record the reading honestly, then take corrective action: check the food (is it still safe?), adjust the fridge setting or identify the cause (door left open, overstocked, failing thermostat), recheck the temperature after 30 minutes, and document everything. This corrective action trail is exactly what inspectors want to see. Do not simply erase the reading and write a different number.

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