Light switches cleaning: 7 simple tricks with household staples

They can quickly become real bacteria traps and true dirt magnets.

When you do a thorough clean at home, you’ll usually mop the floors, wipe the worktops and perhaps tackle the windows. The small touchpoints are easy to overlook - especially light switches. Yet this is exactly where fingerprints, grease, dust and germs build up. With a few classic household staples and simple steps, you can get switches looking bright again without spending money on specialist cleaners.

Before you start: safety always comes first

Before you begin cleaning, there’s one short but crucial job: make the electricity safe.

• At the consumer unit, switch off the relevant circuit for that room.
• If you’re not sure which one it is, turn off the power for the whole flat/house.
• Never clean a switch with a dripping-wet cloth.

Your cloth should be only slightly damp. If liquid runs into gaps and seams, it can damage the mechanism - and in the worst case, become hazardous once the power is back on. For that reason, sprays and cleaners should never be applied directly to the switch; put them on the cloth instead.

Rule of thumb: power off, cloth only damp, never spray directly - that’s how cleaning light switches stays safe.

Trick 1: White household vinegar for grease and bacteria

White vinegar has been a cleaning-cupboard staple for decades. It works well on light switches too: it helps lift grease, neutralises odours and has a mild disinfecting effect.

Do it like this:

• Switch off the power.
• Pour some warm water into a bowl and add a splash of vinegar.
• Dip in a cotton cloth and wring it out very thoroughly until it’s just slightly damp.
• Gently wipe the switch face and the surrounding frame.
• Buff with a dry cloth.

A few drops of lemon juice in the vinegar water will make it smell fresher. Most switch plastics tolerate this mix well, as long as you don’t scrub aggressively - use small, gentle motions instead.

Trick 2: Bicarbonate of soda for yellowed plastic switches

In homes where people smoke, in dark hallways or in rooms that aren’t aired well, light switches can gradually turn yellow. That discolouration makes a room look tired and grimy, even if everything else is spotless. This is where bicarbonate of soda (or baking soda) comes in.

How to use it:

• Mix a few spoonfuls of bicarbonate of soda with a little water to form a thick paste.
• Switch off the power, then apply the paste with a soft cloth or an old toothbrush.
• Rub lightly without pressing hard so the plastic doesn’t get scratched.
• Leave it to work for a few minutes.
• Wipe off with a damp cloth and dry immediately.

If you need a bit more grease-cutting power, add a small amount of mild soap to the paste. This helps shift stubborn nicotine marks or dull grey film.

Trick 3: Traditional bar soap for everyday grime

Solid soap bars - the kind often used for laundry - aren’t just for the bathroom. A mild pure soap or vegetable-oil-based soap is also suitable for switches and other plastic surfaces.

Method:

• Add a few soap shavings to a bowl of warm water.
• Stir until the water looks slightly cloudy and soapy.
• Dip in a cloth and wring it out extremely well.
• Carefully wipe the light switch and frame.
• Use a second cloth (only lightly damp) to remove any soap residue.
• Finish by drying everything thoroughly.

This approach is ideal for regular cleaning sessions when switches are only lightly marked.

Trick 4: Cleaning alcohol for thorough hygiene

If you want surfaces to be as low-germ as possible, use cleaning alcohol from a chemist or supermarket. It typically contains a high proportion of ethanol and removes microorganisms more reliably than water and soap alone.

How to apply it:

• Put a little alcohol (about 70 per cent) onto a slightly damp cloth.
• Rub the switch surface carefully.
• Because it evaporates quickly, polishing is usually unnecessary.

It’s convenient: alcohol dries fast, doesn’t leave streaks and can give a lightly glossy finish. As it’s flammable, avoid using it next to open flames or hot hob plates, and it’s best to wear household gloves so your skin doesn’t dry out.

Trick 5: Solvent for paint splashes

After decorating, tiny paint specks often remain on light switches. If the paint is a tough finish such as synthetic resin or epoxy paint, mild household cleaners may not be enough. In that case, a dedicated solvent can be a last resort.

Typical process:

• Mix a small amount of a suitable solvent with a little vinegar.
• Dab it on with a clean cloth - don’t rub.
• Leave it to soak in for around 20–30 minutes.
• Wipe over afterwards with a damp cloth.

Only use this option on robust, hard-wearing switch surfaces. If you’re unsure, test first in an inconspicuous spot to check the plastic doesn’t go dull or change colour.

Trick 6: Cotton buds for grooves and edges

Most of the stubborn grime isn’t on the smooth face, but in the narrow seams around the rocker or button. Cotton buds are a small tool that can make a big difference here.

How to use them:

• Moisten a cotton bud with vinegar water, soapy water or diluted alcohol.
• Remove excess liquid so nothing drips.
• Carefully run it along the edges, into corners and along fine ridges.

Keeping these tiny gaps clean makes a huge visual difference - the whole switch looks instantly more cared for.

Trick 7: Clean removable switch covers in a water bath

Many modern light switches have clip-on frames or removable covers. If yours do, cleaning can be particularly straightforward.

How to take advantage:

• Turn off the power and carefully release the cover (follow the manufacturer’s instructions).
• Place the covers in a bowl of hot water with a little detergent or soap.
• Leave them to soak for several hours.
• Wipe with a soft sponge until all marks have lifted.
• Rinse under clean water and dry thoroughly.
• Refit only when completely dry.

The electrical unit itself stays untouched and dry in the wall, combining a deeper clean with a high level of safety.

How often should you clean light switches?

There isn’t a single fixed schedule. It makes sense to include switches in your normal cleaning routine. In high-traffic areas such as the kitchen, hallway, children’s room or guest WC, a quick wipe every one to two weeks is often enough. In rooms used less frequently, a monthly check is usually fine.

Room	Recommended cleaning
Kitchen	weekly to every two weeks
Bathroom / guest WC	every two weeks
Hallway	every two to four weeks
Living room and bedrooms	once a month
Cellar / storage rooms	as needed

Hygiene factor: why light switches are genuine germ hotspots

Light switches are classic high-touch points in any home. Everyone presses them several times a day, often with unwashed hands - and hardly anyone thinks about it in day-to-day life. Especially during cold season, cleaning them regularly can help reduce the overall germ load indoors.

If you live with small children, people with allergies or anyone with a weakened immune system, it’s worth paying extra attention to these spots. Cleaning alcohol or vinegar solutions can offer a sensible balance between effort and effect.

What applies to modern switches and smart home systems

Many newer switches have glossy glass fronts, touch controls or built-in electronics. The same basics apply: power off, no soaking-wet cloths, and no harsh abrasives or scratchy sponges.

For glass surfaces, slightly damp microfibre cloths work particularly well. If you’re uncertain, check the manufacturer’s paperwork - there are often specific instructions on which cleaners are permitted and which could damage the finish.

In practice, simple options like vinegar water, bicarbonate-of-soda paste and soapy water - combined with careful drying - are usually enough. If you do it regularly, you’ll rarely need to scrub, and your switches will still look as though they’ve only just been installed.

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