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Oven not reaching temperature: what our engineers find

Ovens

These figures come from NAC's own repair records: 127 oven jobs our engineers attended for this fault. Here is what they found, what fixed it and what it typically cost.

When an oven will not get up to temperature, engineers sometimes find that one of the heating elements has failed. This can be the element behind the fan at the back of the oven, the top grill element, which may heat only partly or may have become bent out of shape, or the element in the base. Engineers also sometimes find a temperature sensor that has stopped reading accurately, faulty temperature or function control dials, or a worn door switch that stops the oven heating once the door is shut. A damaged door seal that lets heat escape is found now and then as well.

To track down the cause, an engineer tests each element to see whether it is working and whether power is reaching it. They run the oven with their own temperature probe inside to check whether it heats up and holds steady, and they open and close the door to see whether the heating cuts out. The faulty part is then replaced and the oven run again to confirm it reaches and holds the set temperature.

The right element or sensor is not always carried on the van, so the part often has to be ordered and fitted at a second visit.

Written by our engineers from these jobs.

Jobs attended
127
Confirmed repairs
57
This is not a success rate. Jobs inside their 60-day window, jobs still being classified, jobs held for review and visits that didn't end in a repair aren't counted.
Fixed at the first appointment
12%
about 1 in 8 of our repairs
Typical total paid by customers
£162 to £239
including parts and VAT, from 54 repairs

No single cause has enough confirmed repairs behind it yet to show for this fault.

About the price. £162 to £239 is the typical total paid by customers, including parts and VAT: the middle half of what customers paid on 54 of these repairs. Repairs paid for by manufacturers and insurers aren't counted, because that work is charged at contract rates. It's a guide, not a quote. Your engineer confirms a fixed price before any work starts.

Before you check anything yourself

  • Switch the oven off and unplug it, or turn it off at the isolator switch, before you touch anything. Our guide to safely isolating an appliance walks you through it.
  • If it involves the mains supply, sealed parts, or you're not confident at any point, stop and book a qualified engineer rather than risk injury or further damage.
  • If it's a gas appliance and you can smell gas, don't use it. Open the windows and call the National Gas Emergency Service on 0800 111 999.

A confirmed repair is a job we repaired where 60 days then passed with no engineer called back to it. Faults and causes are classified by an AI model reading our engineers' job notes, with personal details removed first, and checked against a hand-labelled sample of NAC jobs.

Figures from NAC's own repair records, updated 13 November 2026. The most recent job included is from 12 November 2026. How we work out these figures.

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