How to clean a washing machine
If your washing smells musty or the door seal has black spots, your machine needs a clean. Here's how to do the drum, seal, detergent drawer and filter.
- Time
- 1 to 2 hours (mostly the empty wash)
- Difficulty
- Easy
- Cost
- Low cost
- Steps
- 6
- Checked
What you’ll need
- Washing-up liquid and warm water
- Microfibre cloths
- Old toothbrush
- Washing machine cleaner (optional) Search Amazon for washing machine cleaner
- Shallow tray or baking dish and old towels, for the filter
As an Amazon Associate we earn from qualifying purchases. The Amazon links go to search results, so you can compare what’s available.
Safety first
- Always unplug the machine before cleaning the filter.
- Water from the filter can be hot if you've just run a wash. Wait for it to cool.
- Which? advises against using vinegar in washing machines, because it can corrode rubber and plastic parts, and against undiluted bleach, which can damage seals.
Step by step
-
Step 1: Clean the door seal
Pull back the folds of the rubber seal and wipe inside with a microfibre cloth dipped in warm water and washing-up liquid. Use an old toothbrush, gently, for stubborn grime. Remove any hair, fluff, coins or hair grips you find.
Next: step 2 -
Step 2: Clean the detergent drawer
Pull the drawer out. Most have a release tab, often marked, in the softener compartment. Take it apart if you can, rinse it under warm water and scrub off the gunk with a soft brush. Wipe out the drawer housing in the machine too, then let the drawer dry before refitting.
Next: step 3 -
Step 3: Clean the filter
Switch off and unplug the machine. The filter is usually behind a small flap at the bottom front. Lay towels down and put a shallow tray underneath, because water will come out. Many machines have a small drain hose to empty first. Unscrew the filter slowly, clear out fluff and debris, rinse it and screw it back firmly. Check your manual for your model.
Next: step 4 -
Step 4: Run a hot service wash
Run the machine empty on a hot cycle, 60°C or higher, or use its drum-clean programme if it has one. You can add a washing machine cleaner or a little detergent. Which? suggests doing this about once a month.
Next: step 5 -
Step 5: Leave it open to dry
After each wash, leave the door ajar and the drawer slightly open so air can circulate and the inside dries out. Wipe the seal dry if you can.
Next: step 6 -
Step 6: If it still smells, check the drain
A persistent eggy smell can come from residue in the standpipe or drain the machine empties into. A drain unblocker may help. If it doesn't, ask a plumber.
Tips
- Using only cool washes and too much fabric conditioner encourages slimy build-up. Mix in hotter washes now and then.
- Take washing out promptly so it doesn't sit damp in the drum.
- Check pockets before washing. Coins and tissues are the usual culprits in a clogged filter.
When to call a professional
Call an appliance engineer if the machine won't drain after you've cleared the filter, leaks from underneath, or the door seal is torn.
Questions people ask
Why does my washing machine smell?
Usually detergent and softener residue plus damp, which lets mould and bacteria grow. Regular hot service washes and leaving the door open help.
Can I use vinegar or bicarbonate of soda?
Which? advises against vinegar because it can damage rubber and plastic parts. Use a hot service wash, with a washing machine cleaner if you like.
How often should I clean the filter?
Check your manual. Many manufacturers suggest every few months, or sooner if the machine drains slowly.
Sources
Checked 9 October 2026. We wrote this guide in our own words, using:
- Which?: how to clean a smelly washing machine (which.co.uk)
- Which?: things you shouldn't clean with vinegar (which.co.uk)
- AO: how to clean a washing machine (ao.com)
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Printed from howtoguides.uk/guides/how-to-clean-a-washing-machine/ · Checked 9 October 2026 · General information only. For gas, electrics, structural work, medical, legal or money decisions, use a qualified professional.