Repair or Replace? When a Kitchen Appliance Is Worth Fixing
A kitchen appliance gives up at the worst possible moment, and the question is always the same: is it worth fixing, or is it time for a new one? Get it right and you save hundreds of pounds and a pile of waste. Get it wrong and you either pour money into a dying machine or scrap one that had years left. This guide gives you the same framework repair engineers use, so you can make a calm, confident decision.
Start with two numbers: the 50 percent rule
Almost every repair or replace decision begins with two figures: what the repair will cost, and what a comparable new appliance would cost. The long standing industry guideline that connects them is the 50 percent rule.
So a £280 repair on a machine that costs £500 new is 56 percent, which points to replacement. A £120 repair on that same machine is well under half, so fixing it usually wins.
The reason the 50 percent threshold has stuck is not really the number. It is what happens to the maths beyond it. Appliances tend to age as whole systems rather than isolated parts. If one major component has failed through wear, heat or vibration, others are often not far behind. Once a repair passes half the cost of a new machine, you are effectively betting that nothing else fails soon, and that bet gets riskier the older the appliance is. Spending heavily also does nothing for resale value: paying £400 to fix a £700 machine does not make it a £1,100 machine.
Then factor in age and lifespan
The 50 percent rule works best alongside the age of the appliance, which is why many engineers use a combined version, sometimes called the 50 50 rule: if the appliance is past halfway through its expected life and the repair costs more than half a new one, replace it. A useful stricter version is that once a machine is past about three quarters of its lifespan, even a repair worth 30 percent of a new one is hard to justify.
To use either, you need a sense of how long appliances are expected to last.
| Appliance | Typical lifespan |
|---|---|
| Fridge or freezer | 12 to 15 years |
| Electric oven or cooker | 12 to 15 years |
| Hob | 10 to 15 years |
| Cooker hood | 10 to 15 years |
| Tumble dryer | 10 to 13 years |
| Dishwasher | 9 to 12 years |
| Washing machine | 8 to 12 years |
| Microwave | 9 to 10 years |
| Wine cooler | About 10 years |
Think of a repair as buying back years of dependable use. On a four year old dishwasher, a repair buys several more years and is usually worth it. On an eleven year old one, the same repair buys far less, because the rest of the machine is also near the end of its life. For a fuller breakdown by appliance, see our guide on how long major kitchen appliances typically last.
A reality check on repair costs
Repair quotes vary widely, and what looks like a disaster is sometimes a cheap fix, while a minor sounding fault can hide an expensive one. A proper diagnosis is the only way to be sure, but these typical UK ballparks help you sense check a quote.
- Oven heating element: around £80 to £150. One of the most common and affordable repairs, and usually well worth doing.
- Washing machine door seal: around £60 to £100. A cheap fix for leaks that is almost always worthwhile.
- Washing machine carbon brushes: around £50 to £90. An inexpensive repair that can add several years on older brush motors.
- Dishwasher pump or inlet valve: around £90 to £200. Often worth it, though it can approach the cost of a budget machine.
- Fridge thermostat: around £120. Modest against the price of a new fridge freezer, so usually a clear repair.
- Washing machine motor: around £220. A major part. On an older machine this often tips the balance towards replacing.
When to repair, and when to replace
Once you have the numbers and the age, most decisions fall fairly clearly into one of two columns.
Repair usually wins when
- The appliance is still well within its expected lifespan.
- The fault is minor or a quick fix, such as a filter, hose, seal, door catch or fuse.
- It is still under warranty or guarantee, where repairs are often free.
- The repair is comfortably under half the cost of a new one.
- It is a premium or built in model, where quality is high or replacement means costly refitting.
Lean towards replacing when
- The appliance is near or past its typical lifespan.
- It has broken down repeatedly, as two faults in a year is a pattern, not bad luck.
- A major part has failed, such as a motor, compressor, sealed system or control board.
- The repair is more than half the cost of a new model.
- Parts are obsolete, or the appliance no longer suits your household.
One honest warning worth naming: the urge to rescue a machine that almost works is strong, especially when the outside still looks new. That feeling leads many people to overspend on repairs that never pay off. The rule exists precisely to counter that instinct with a clear financial boundary.
Safety comes before any calculation
Stop using it straight away if you notice these
A smell of gas, burning or scorching, sparks, electric shocks, exposed wiring, or water leaking near electrics. Switch the appliance off, unplug it if it is safe to do so, and call a qualified engineer. Never try to patch a safety fault to save money, and treat any gas appliance fault as a job for a registered professional only.
Safety overrides the 50 percent rule entirely. Some faults can be fixed safely, but a serious electrical or gas problem on an older appliance is often the moment to replace it outright, so you can be confident it will not happen again.
Running costs and waste
The price of the repair is only part of the picture. An older appliance can cost noticeably more to run than a modern one, and that gap can change the maths. This matters most for the appliances that use the most electricity, especially anything that runs constantly or makes a lot of heat. An ageing fridge freezer or tumble dryer can quietly cost tens of pounds a year more than an efficient replacement, which over several years can offset a chunk of the purchase price.
The sensible rule of thumb is to repair younger appliances and replace old, inefficient ones. A sound repair on a five year old machine is almost always cheaper and greener than buying new, while keeping a fifteen year old energy guzzler alive can cost more in running than a replacement would save. To weigh this up, see our guides on saving money on appliance running costs and how much electricity kitchen appliances use.
Repair is often the greener choice
Fixing a sound appliance keeps it out of landfill and avoids the resources needed to build a new one. UK rules now require manufacturers to keep spare parts available for many appliances for years after purchase, which makes repair more viable than it used to be. When a machine genuinely has reached the end, recycle it properly rather than skipping it, as our guide on recycling old kitchen appliances responsibly explains.
The decision checklist
When an appliance fails, run through these steps in order. The first clear answer usually settles it.
- Is it a safety issue? Gas smell, burning, sparks or leaks mean stop, unplug and call a professional. Do not limp it along.
- Is it under warranty? If so, arrange the repair through the maker or retailer, usually at no cost.
- Is it a cheap or simple fix? A filter, hose, seal, catch or fuse is almost always worth repairing.
- How old is it versus its lifespan? Past halfway, the odds start to shift towards replacing.
- Does the repair cost more than half a new one? If yes, especially on an older machine, lean towards replacing.
- Has it broken down before? Repeated faults point to replacement rather than another repair.
- Is a new model much more efficient? For old fridges and dryers, the running cost saving can justify replacing.
- Still unsure? Get a written, all in quote and compare the total cost and the years it buys against a like for like replacement.
Three worked examples
A six year old fridge with a faulty thermostat at £120. Well within its life, modest cost, still efficient.
A twelve year old washing machine needing a £220 motor. Past mid life, costly, and more faults likely soon.
A four year old oven with a failed heating element at £90. Cheap, common, and years of use left in it.
Quick summary
- Start with the 50 percent rule: if the repair costs more than half a new appliance, lean towards replacing.
- Factor in age. Past halfway through its lifespan, a costly repair is harder to justify.
- Repair newer machines and minor faults, especially under warranty. Replace old machines, repeat offenders and major part failures.
- Safety always comes first. Gas, burning or electrical faults mean stop and call a professional.
- Old, inefficient fridges and dryers can cost more to run than a replacement would save, so weigh that in too.
Frequently asked questions
If a repair costs more than half the price of a comparable new appliance, replacement usually makes more financial sense. If it costs less than half, repair is normally the better value, especially on a younger machine.
It depends on the fault and cost. A cheap fix like a door seal or carbon brushes can be worth it. A major part such as the motor, at that age, usually is not, since the rest of the machine is also near the end of its life.
No. Replacing an old, inefficient fridge or tumble dryer can pay back over time, but for most appliances a sound repair on a younger model is both cheaper and greener than buying new.
At any sign of a gas smell, burning, sparks, electric shocks or water leaking near electrics. Switch it off, unplug it if safe, and call a qualified engineer. Safety overrides any cost calculation.
Often yes. UK rules now require manufacturers to keep spare parts available for many appliances for years after purchase, though very old or discontinued models can be harder to source, which is itself a reason to consider replacing.
For more on weighing up repair worthiness, parts availability and the practical disruption of being without an appliance, the Domestic Appliance Service Association offers balanced UK guidance.
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