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How to Choose a Bathroom Mirror: Sizing, Lighting and Anti-Fog Explained

A mirror is one of the smallest decisions in a bathroom and one that shapes the whole room. The right one makes the space feel bigger, brighter and more finished. The wrong size or a poorly lit spot and you are squinting every morning.

This guide covers how to size a mirror, whether to choose illuminated or standard, and the features worth paying for. If you already know what you want, jump straight to our mirrors collection, or go to illuminated mirrors and cabinets, mirrored cabinets and standard mirrors. For compact rooms, our guide to small bathroom ideas pairs well here.

Start with size and position

As a rule, a mirror should be no wider than the vanity or basin below it, and ideally a little narrower. Hang it so the centre sits at eye level for the people using it most. Over a basin, leave a small gap above the taps so splashes don't mark the glass.

Illuminated or standard?

Standard mirrors are simple, affordable and rely on your existing ceiling or wall lighting. They work well where the room is already well lit. Browse standard mirrors.

Illuminated mirrors have built-in LED lighting, giving even, shadow-free light right where you need it, which makes a real difference for shaving, skincare and make-up. They also add a modern, premium feel. See illuminated mirrors and cabinets.

Do you need storage?

If your bathroom is short on space, a mirrored cabinet gives you a mirror and hidden storage in one, keeping toothbrushes and clutter off the surfaces. It is one of the easiest ways to make a small bathroom feel tidier, and pairs naturally with a wall hung vanity unit for a streamlined look.

Features worth having

A few extras genuinely improve daily use. A demister pad keeps the mirror clear of condensation after a hot shower. Built-in shaver sockets add convenience. Adjustable colour temperature lets you switch between warm and cool light. And a cosmetic or shaving mirror with magnification is a useful addition for close-up tasks.

One practical note: illuminated mirrors and cabinets need a suitable power supply and must be installed to bathroom electrical safety standards, so it is worth planning the wiring in before tiling.

Get the right mirror the first time

We have spent over 40 years helping people finish bathrooms properly, and the mirror is often the piece that pulls the whole room together. If you tell us your vanity size and how the room is lit, we will point you to a mirror that fits and works.

Browse our full mirrors collection to start, and remember delivery is free on UK orders over £499. Our team is on hand if you would like a steer before you commit.