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Technician removing sample boxes from an ultra-low temperature laboratory freezer

Laboratory Equipment Breakdown Insurance UK

October 31, 2026

Published: 31 October 2026 | Reading time: 7 minutes | Category: Manufacturing | Author: John Miller, Miller & Partner

Last reviewed by John Miller, Director & Principal Broker — 31 October 2026
FS Register FRN 102969813+ years specialist commercial brokingLloyd's & specialist MGA market accessIndependent UK broker

Laboratory equipment breakdown insurance covers the sudden failure of scientific instruments and lab plant, along with the samples and income that can be lost as a result. Mass spectrometers, sequencers, microscopes, freezers and containment systems are expensive to repair and can take weeks to replace. A standard property policy covers fire, flood and theft but not mechanical or electrical breakdown, so labs need separate engineering cover. The most valuable add-ons are deterioration of stock, for samples lost when a freezer fails, and business interruption or increased cost of working, to pay for outsourcing tests while equipment is out of action. Insurers want an equipment list with values, details of service contracts and how freezers and incubators are monitored.

Running high-value lab equipment? We'll arrange breakdown cover that also protects the samples and income behind it.

Key facts at a glance

  1. Property policies exclude breakdown. Mechanical and electrical failure needs engineering cover.
  2. Freezers carry the biggest risk. A freezer failure can destroy years of samples.
  3. Service contracts help. Insurers look for maintenance agreements on key instruments.
  4. Outsourcing costs add up. Increased cost of working pays for tests done elsewhere.
  5. Leased equipment needs checking. Lease terms often say who must insure.

What does lab equipment breakdown insurance cover?

Engineering cover pays for sudden mechanical or electrical failure that a property policy won't.

EquipmentTypical riskRelated cover
Ultra-low freezersCompressor failure and temperature lossDeterioration of stock
Mass spectrometers and chromatographyElectrical and vacuum failuresIncreased cost of working
Sequencers and imaging systemsElectronic faults and power surgesBusiness interruption
Incubators and bioreactorsControl failure mid-runLoss of cultures and runs
Containment and fume cupboardsFan and extraction failureInspection and breakdown
Autoclaves and pressure plantPressure system failureStatutory inspection

This is one part of our wider laboratory insurance cover.

Why is freezer failure such a common claim?

Ultra-low freezers run around the clock at very low temperatures. Compressors fail, power cuts happen and doors get left open. If no one notices, everything inside can be lost overnight.

Insurers will usually cover samples lost this way through deterioration of stock, but only if temperature alarms are fitted, working and monitored. Many policies require alarms that alert someone out of hours and a plan for moving samples to back-up storage quickly.

Test your alarms

Keep records of alarm testing and call-out responses. An untested or ignored alarm is one of the most common reasons freezer claims are reduced.

Do pressure systems need inspection?

Yes. Autoclaves, compressed gas systems and some other lab plant fall under pressure systems regulations and need written schemes of examination.

Engineering insurers often provide inspection services alongside breakdown cover, which can be more convenient than arranging them separately. See our guide to engineering inspection insurance for more.

What do insurers need to quote?

  • An equipment list with make, model, age and replacement value
  • Service and maintenance contracts
  • Whether equipment is owned, leased or on loan
  • Freezer and incubator monitoring arrangements
  • Back-up power and spare storage capacity
  • Value of samples and how they would be recreated
  • Cost of outsourcing work if equipment fails

Frequently asked questions

No. Mechanical and electrical breakdown needs engineering cover.

Yes, with deterioration of stock cover and working alarms.

It can be. Check who the lease says must insure it.

It isn't always required, but it helps with cover and terms.

It can be added to pay for outsourced tests while equipment is repaired.

Usually, as part of electrical breakdown cover.

No. Breakdown cover is for sudden failure, not gradual deterioration.

Yes, and they may also need statutory inspection.

Yes, though older items may have restrictions.

Usually within a week once we have the equipment list.

Related guides from Miller & Partner

Need lab equipment cover? Send us your equipment list, values and service contracts, and we'll come back with terms.

John Miller, Director and Principal Broker at Miller & Partner
Written and reviewed by John Miller Director & Principal Broker, Miller & Partner Over 13 years of specialist commercial insurance experience, formerly with Brown & Brown and AXA. Places science, technology and professional risks through Lloyd's syndicates and specialist MGAs, from university spin-outs to established testing laboratories.
Our regulatory status

Miller & Partner Limited (FRN 1029698) is an Appointed Representative of Gauntlet Risk Management Ltd (FRN 308081), which is authorised and regulated by the Financial Conduct Authority. Miller & Partner Limited is registered in England and Wales (company number 16206282) and trades from Vivian House, Roman Bridge Close, Mumbles, Swansea SA3 5BG. This article is general information, not a personal recommendation or an offer of cover. Cover is subject to insurer acceptance and the full terms, conditions and exclusions of the policy issued.

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Our regulatory status

Miller & Partner Ltd is an Appointed Representative of Gauntlet Risk Management Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 308081). Miller & Partner Ltd is entered on the FCA Register under reference 1029698. Registered in England and Wales, company number 16206282. Registered office: Vivian House, Roman Bridge Close, Mumbles, Swansea, SA3 5BG.

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Office: Vivian House, Roman Bridge Close, Mumbles, Swansea, SA3 5BG

Miller & Partner Ltd is an Appointed Representative of Gauntlet Risk Management Ltd, which is authorised and regulated by the Financial Conduct Authority (FRN 308081). Miller & Partner Ltd is entered on the Financial Services Register under firm reference number 1029698. You may check this on the Financial Services Register by visiting the FCA website at https://www.fca.org.uk/firms/financial-services-register or by contacting the FCA on 0800 111 6768. Miller & Partner Ltd is registered in England & Wales, company number 16206282. Registered office: 20 Vivian House, Roman Bridge Close, Swansea, SA3 5BG.