If you have the habit of using your oven door as a resting place or cleaning it with abrasive materials, it’s important to reconsider - these everyday actions could lead to the glass door shattering, resulting in a costly repair bill, particularly unwelcome during the festive season.
Consumer organisation Which? first investigated cases of “exploding oven doors” in 2017 and subsequently received over 70 reports involving ovens and cookers from all major brands where the glass doors shattered unexpectedly. Similar incidents continued to be reported by members in 2026.
One significant cause of shattered oven doors is aggressive cleaning. Nearly two-thirds of Which? members reported using scourers on their oven doors. While it’s tempting to scrub stubborn cooking grime, any scourer can create tiny scratches on the glass surface, weakening it and increasing the risk of shattering-a warning commonly included in oven instruction manuals. Which? recommends using a soft sponge and addressing spills promptly to avoid hard scrubbing.
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During busy periods like Christmas, it’s common to place hot trays on the oven door. However, doing so can exert additional stress on the glass and should be avoided. Likewise, slamming the door shut, nudging it closed with your foot, or allowing it to bang against metal shelves can contribute to damage.
Which? suggests considering ovens with telescopic shelves that pull out fully without tipping, making it easier and safer to handle dishes.
Thermal stress is another factor that can weaken oven glass over time. Different materials expand and contract at varying rates when heated or cooled. Items in contact with the glass, or hanging wet towels on the handle, can encourage weaknesses to develop. Ensure your dish is not pressed against the glass during cooking, and keep the glass clean to maintain its integrity.
Glass replacement is typically covered under warranty, which usually lasts between one and two years, though ovens often last over a decade. If a fault arises after the warranty period, you may still qualify for a refund, repair, or replacement from the retailer, but proving the fault existed at purchase may be necessary if the oven is over six months old.
In case your oven glass does shatter, consider appliance insurance or extended warranties, often called white goods cover. According to Martin Lewis’ Money Saving Expert (MSE), such insurance typically covers repairs or replacements following breakdown or accidental damage. Policies usually cost around £5 per month per appliance, though prices vary based on appliance value, age, and claim history.
Large appliances are often repaired at home by engineers; smaller items may require collection or drop-off for assessment. Insurers then decide whether repair or replacement is most cost-effective. You can insure individual appliances or bundle several together, potentially lowering costs. While appliance insurance offers peace of mind after a standard guarantee ends, it is not always the best value for everyone.
MSE notes that appliance insurance commonly covers a variety of household devices, but not all. They also caution that in many cases, paying for appliance insurance may not be worthwhile. Specific situations exist where taking out such insurance is not advisable.
In summary, to avoid inconvenient and expensive oven door damage, use gentle cleaning methods, avoid placing heavy or hot items on the door, and handle the door carefully. Considering these precautions can save you time, hassle, and money, especially during busy cooking periods.