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Dishwasher

Dishwasher leaking? 3 likely causes

Door seal, overfilling or a leaking pump are the usual causes.

Symptom: Water on kitchen floor · Typical cost: £70–£150.

Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.

Likely causes, most common first

  1. 1

    Worn door seal

    DIY: moderate

    The rubber gasket cracks or hardens.

    The fix:Clean and replace.

  2. 2

    Too much detergent or foaming

    DIY: easy

    Excess suds escape.

    The fix:Use the right dose.

  3. 3

    Leaking hoses or pump seal

    DIY: moderate

    Perished hoses or seals leak underneath.

    The fix:Replace parts.

When to call an engineer

  • Leak from underneath the tub
  • You are not comfortable working on the appliance, or the fix involves electrics or gas.

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Error codes linked to this fault

Dishwasher how-to guides

Other dishwasher faults

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Frequently asked questions

How much does it cost to fix a dishwasher problem like this?

£70–£150.

Is it safe to keep using it?

If you can see leaks, smell burning, or the appliance is tripping the electrics, stop using it and unplug it. For minor faults without those signs it is usually safe to leave it off until you can diagnose it. Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.