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Washer dryer leaking: what our engineers find

Washer Dryers

These figures come from NAC's own repair records: 103 washer dryer jobs our engineers attended for this fault in the last 12 months. Here is what they found, what fixed it and what it typically cost.

A washer dryer that leaks can have several causes, and engineers sometimes find more than one at work in the same machine. A worn, torn or loosened door seal is something engineers sometimes find, letting water escape from the bottom of the door during a wash. Leaks from the detergent drawer also turn up, where the drawer has not been put back properly, a sock or other small item has blocked the pipe behind it, or the part that holds the detergent has become clogged with residue.

Engineers sometimes find water escaping at the back or underneath, from a loose water supply pipe, a drain hose that has slipped off, or a small hole in a hose inside the machine. Now and then the cause is electronic, with the control board telling the machine to keep filling until water spills out through the door.

To find the leak, an engineer usually runs a wash and watches where the water appears, then checks the seal, drawer, hoses and connections. Loose parts can often be refitted and secured on the spot, but a new seal, hose or board may need to be ordered and fitted at a second visit. The machine is then run again to confirm the leak has stopped.

Written by our engineers from these jobs.

Jobs attended
103
in the last 12 months
Confirmed repairs
54
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
32%
about 3 in 10 of our repairs
Typical total paid by customers
£102 to £233
including parts and VAT, from 51 repairs

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

Error codes we see with this fault

  • AEG EFO: Anti-flood protection triggered, usually by water in the base from a leak or overfill.

About the price. £102 to £233 is the typical total paid by customers, including parts and VAT: the middle half of what customers paid on 51 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 washer dryer 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.

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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