Yes, LED bathroom mirrors need electricity to run their lights. A demister, Bluetooth speaker or clock also needs a power supply. The mirror still reflects normally when switched off, so you can use it in daylight without turning on the lighting.
The useful choice is how that power reaches your mirror. A neat, permanent bathroom installation usually suits hardwiring; a plug-in connection works where a suitable bathroom socket is available. For portable makeup use, a rechargeable mirror offers a different kind of convenience.
Which power option fits your bathroom?
- Hardwired: the supply is connected behind the mirror for a clean finish with no visible plug. It is a good opportunity to plan independent mirror lighting during a refurbishment.
- Plug-in: a suitable existing socket can make connection straightforward, but its location and protection must be appropriate for a bathroom.
- Rechargeable or replaceable batteries: useful for portable mirrors and dressing tables. Battery power does not automatically mean a mirror is designed for wall mounting in a wet bathroom.
Our bathroom mirrors support plug-in or hardwired installation. That does not apply to every makeup mirror, which has its own power arrangement. A qualified electrician can select the right bathroom connection without leaving a cable stretched across the room.
Think about how you want the controls to work
If the mirror is supplied through the room's light switch, switching that supply off also removes power from the mirror. If you want mirror lighting while the ceiling light is off, plan a separately controlled supply. Touch controls are convenient, but they cannot operate without electricity reaching the unit.
A demister is especially useful when you shave or apply skincare straight after a shower. Its heating area helps maintain a usable reflection; it does not ventilate the room. Keep the extractor fan in your bathroom plan as well.
Choose the light you will enjoy every day
For makeup and shaving, start with frontlit LED mirrors, which send light towards your face. Choose backlighting for a glow around the wall, or dual lighting when you want both effects.

80 × 60 cm gold rectangular frontlit mirror — £159. The decorative frame and light towards the reflection give a vanity an inviting finish. Three light colours, dimming and anti-fog let it adapt to your routine.

60 × 80 cm rectangular front-and-back-lit mirror — £129. Combine a lit viewing area and a soft wall glow. Plan the supply so the controls work independently of the ceiling lighting if that is how you want to use it.

Silver 32 × 44 cm rechargeable arched makeup mirror — £179. For a dry dressing table, the Rechargeable version gives cordless use after charging and a 10X magnifier for close-up detail. It is a separate power arrangement from a fixed bathroom mirror; choose Rechargeable in the product options.
Prices and stock checked on 27 October 2026. Listed prices are before any checkout promotion.
Estimate energy use from the product rating
Use the actual power rating for the model and functions you plan to run. Energy in kilowatt-hours equals watts ÷ 1,000 × hours of use. Multiply that by your electricity unit price for an estimate. A demister or other feature may add to the lighting load, so check what the quoted rating includes.
Allow space for the mirror, rear fittings and cable route before tiling. Measure the usable wall area above the basin, then shortlist bathroom mirrors with built-in lights that fit the layout. Explore LED bathroom mirrors at LED Mirror World for shapes and finishes.
Do I need an electrician?
Use a qualified electrician for a hardwired connection or changes to bathroom wiring. Never bring an extension lead into the bathroom to reach an unsuitable socket. Once the connection is planned properly, daily use is simple: turn on the lighting you need and enjoy a clearer, brighter place to get ready.