Zuletzt aktualisiert am 17. July 2026
Clean a washing machine by running an empty 60°C cycle with white vinegar to descale the drum, soaking the detergent drawer in warm soapy water, and wiping the rubber door seal. Repeat this three-zone routine every one to three months to clear limescale, mould and odour.
A washing machine needs cleaning in three zones: the drum, the detergent drawer and the rubber door seal. Run an empty hot cycle at 60°C with two cups (about 480ml) of white vinegar, soak the drawer in warm soapy water, and wipe the seal with a diluted cleaning solution. A UK household runs roughly 270 washes a year, so a deep clean every one to three months keeps the machine hygienic and extends its 10 to 15 year lifespan. Reviewed July 2026.
How do you clean a washing machine?
Clean a washing machine using the Three-Zone Cleaning Method: the drum, the detergent drawer and the door seal. Descale the drum with an empty 60°C vinegar cycle, scrub the removable drawer in warm soapy water, then wipe the rubber seal where mould collects.
The Three-Zone Cleaning Method separates the appliance into the three areas where residue, limescale and bacteria accumulate. The drum holds detergent scum and mineral deposits from hard water. The detergent drawer traps undissolved powder and softener. The rubber door seal on a front-loading machine collects trapped water, hair and biofilm. Cleaning all three in one session prevents the odour and greying laundry that a single drum cycle leaves behind.
White vinegar and baking soda handle most of the work. White vinegar is a mild acetic-acid solution that dissolves limescale and neutralises odour. Baking soda, or sodium bicarbonate, is a gentle alkaline abrasive that lifts residue without scratching enamel or plastic. A microfibre cloth and an old toothbrush reach the seal folds and drawer channels that a cycle alone cannot flush.
Why does a washing machine need regular cleaning?
A washing machine needs regular cleaning because detergent residue, limescale and trapped moisture create mould, bacteria and odour inside a sealed, warm drum. Regular cleaning protects wash quality, prevents blocked filters and hoses, and helps the appliance reach its full 10 to 15 year service life.
Residue is the core problem. Every wash leaves a thin film of detergent, fabric softener and body soil on the drum, drawer and seal. In hard-water areas across much of England, dissolved calcium and magnesium bake onto the heating element as limescale, which forces the machine to draw more energy to reach temperature. A UK household runs the machine around 270 times a year, so this build-up compounds quickly.
Neglect carries a direct cost. Washing-machine fill and drain hoses typically last three to five years, and residue-clogged filters raise the pressure on those hoses and on the pump. A musty drum also transfers odour and bacteria back onto clean garments, which defeats the purpose of the wash. Regular maintenance removes the cause rather than masking the symptom.
What are the signs a washing machine needs cleaning?
Three signs show a washing machine needs cleaning: a musty or sour odour, visible residue in the drum and drawer, and a drop in washing performance. Any single sign warrants a deep clean; together they indicate advanced build-up of mould, detergent scum and limescale.
A musty or sour smell from the drum
Odour is the earliest and most reliable indicator. Detergent build-up, bacteria and mould thrive in the moist environment behind the rubber seal and inside hidden compartments. When laundry leaves the machine smelling stale rather than fresh, the drum, not the detergent, is the source.
Visible residue and limescale
Grime, soap scum and chalky limescale in the drum, drawer and dispenser are direct evidence of build-up. White or grey crusting around the drawer housing signals undissolved product, while rough scale on the drum edges points to hard-water minerals.
A decrease in washing performance
Dull, still-odorous laundry and longer cycle times point to blocked filters or pipes caused by accumulated residue. A machine straining against limescale and clogs uses more energy and cleans less effectively.
What do you need to clean a washing machine?
Cleaning a washing machine needs five items: white vinegar, baking soda, a microfibre cloth, an old toothbrush and protective gloves. White vinegar descales, baking soda scrubs, the cloth and toothbrush reach tight areas, and gloves protect skin from cleaning agents.
White vinegar reduces bacteria and dissolves limescale during a hot cycle. Baking soda scrubs residue without scratching enamel or plastic surfaces. A microfibre cloth wipes the seal, glass and casing without leaving lint. An old toothbrush clears the drawer channels and the folds of the rubber gasket. Protective gloves keep hands off acetic acid and any bleach used on the seal.
Check the manufacturer manual before starting. Many machines built after 2018 include a dedicated drum-clean or self-clean programme, which automates the hot-cycle stage. Confirm that any agent, especially bleach, is approved for the model, because some manufacturers restrict bleach on stainless drums.
Never combine white vinegar and bleach in the same cycle. Acetic acid reacts with sodium hypochlorite to release chlorine gas, which is dangerous in an enclosed utility space. Choose one agent per session: vinegar and baking soda for routine descaling and odour, or a diluted bleach solution for a mould-heavy seal. If a machine sits in a cold, unventilated cupboard, the door seal is the first place mould returns, so wipe and dry it after every one of the roughly 270 annual washes.
How do you deep clean the drum, drawer and door seal?
Deep clean a washing machine in three stages: soak and scrub the detergent drawer, run a hot vinegar-and-baking-soda cycle through the drum, and wipe the rubber seal and exterior last. This order clears loose residue first, then descales, then finishes the visible surfaces.
Cleaning the detergent drawer
Remove the detergent drawer by pressing the release catch, then soak it in warm soapy water for 10 to 15 minutes. Scrub the softener channel and corners with an old toothbrush to lift scum and mould. Rinse, dry, and refit only when fully dry to stop new build-up forming.
Descaling and sanitising the drum
Add two cups (about 480ml) of white vinegar to the drum of a front-loading machine, or four cups for a top-loader, then sprinkle 100g of baking soda inside. Run an empty cycle at 60°C, the temperature that clears mould and bacteria. For a heavier deep clean, a quarter cup of bleach on an empty hot cycle removes stubborn mould, used on a separate day from any vinegar.
Cleaning the rubber seal and exterior
Pull back the folds of the rubber door seal and wipe out trapped water, hair and residue with a cloth dampened in a diluted cleaning or bleach solution. Wipe the glass, drawer housing and casing with a microfibre cloth. Leave the door and drawer open afterwards so the interior dries fully.
| Maintenance task | Method | Frequency |
|---|---|---|
| Hot deep-clean cycle | Empty 60°C cycle with 480ml white vinegar and 100g baking soda | Every 1 to 3 months |
| Detergent drawer | Soak in warm soapy water and scrub with a toothbrush | Monthly |
| Rubber door seal | Wipe folds with a diluted cleaning or bleach solution | After every wash |
| Exterior and glass | Wipe with a microfibre cloth | Monthly |
How often should you clean a washing machine and keep it fresh?
Clean a washing machine with a 60°C maintenance wash once a month and a full deep clean every one to three months. Between washes, wipe the seal, leave the door and drawer open to dry, and dose detergent correctly to stop residue and odour returning.
A monthly service wash is the single most effective habit. Running an empty hot cycle at 60°C or higher clears the mould and bacteria that build in a warm, damp drum. Wiping the door gasket after use and leaving the door ajar cuts the moisture that mould needs to grow.
Correct dosing prevents most build-up. Overdosing detergent leaves scum that feeds odour, so follow the product measure for the load size and water hardness. Removing damp laundry promptly, rather than leaving it in the drum, stops the sour smell that transfers to the next wash.
| Habit | Frequency | Purpose |
|---|---|---|
| Maintenance hot wash at 60°C | Monthly | Kill bacteria and prevent odour |
| Full three-zone deep clean | Every 1 to 3 months | Remove residue, limescale and mould |
| Wipe door gasket | After every wash | Prevent mould and residue in the seal |
| Leave door and drawer open | After each use | Dry the interior and stop mould |
Our Take
Most cleaning guides sell the monthly hot cycle as the whole answer. It is not. The drum is rarely where a smell starts. The rubber door seal on a front-loader traps water, lint and biofilm in its lower fold, and no empty cycle reaches inside that fold. A machine that still smells after a vinegar wash almost always has a neglected seal. The habit that pays off across 270 washes a year is the 10-second wipe of the gasket after each load, plus leaving the door open to dry. Descaling matters for hard-water areas and for the heating element, but the seal is the part that decides whether laundry comes out fresh. Treat the seal as the first zone, not the afterthought.
- Deep clean every 1 to 3 months; run a maintenance hot wash monthly.
- Use 480ml white vinegar plus 100g baking soda on an empty 60°C cycle for a front-loader.
- Clean three zones: drum, detergent drawer and rubber door seal.
- Never mix vinegar and bleach; use one agent per session.
- A UK household runs about 270 washes a year, and regular care supports the 10 to 15 year lifespan.
- Wipe the door seal after every wash and leave the door open to dry.
Frequently Asked Questions
Can you clean a washing machine with bleach and vinegar together?
No. Bleach and vinegar must never be combined. Sodium hypochlorite and acetic acid react to release chlorine gas, which is hazardous in an enclosed utility space. Use vinegar and baking soda for routine cleaning, or a diluted bleach solution alone for heavy mould, on separate cycles.
What temperature kills bacteria in a washing machine?
A cycle of 60°C or higher clears most mould and bacteria inside the drum and seal. Low-temperature eco washes at 20 to 30°C save energy but let bacteria survive, which is why a monthly 60°C maintenance wash is recommended alongside everyday cool cycles.
How do you remove limescale from a washing machine in a hard-water area?
Descale with 480ml of white vinegar on an empty 60°C cycle, or use a dedicated descaler that targets the heating element. Hard water across much of England deposits calcium and magnesium on the element, so descaling every one to two months protects efficiency.
Why does my washing machine still smell after cleaning?
A lingering smell after a drum cycle usually comes from the rubber door seal, which traps water and biofilm in its lower fold. Pull the fold back, wipe it with a diluted cleaning solution, and dry it. Standing water in the pump filter also causes odour.
Does leaving the washing machine door open really help?
Yes. Leaving the door and detergent drawer open after each wash lets the interior dry, which removes the moisture that mould and bacteria need. This single habit reduces musty odour more reliably than any occasional deep clean on its own.
Sources
The guidance above draws on established UK consumer and health authorities. Each source below supports the cleaning frequencies, temperatures and safety points stated in this article.
- Which? — How to clean a washing machine · which.co.uk · Independent consumer testing on maintenance washes, descaling and drawer cleaning.
- Good Housekeeping Institute — Washing machine cleaning guide · goodhousekeeping.com/uk · Tested methods for the drum, drawer and door seal.
- Energy Saving Trust — Washing and drying clothes · energysavingtrust.org.uk · Guidance on wash temperatures and appliance energy efficiency.
- NHS — Can damp and mould affect my health? · nhs.uk · Public-health information on the effects of household mould and moisture.
