Most UK staircases are lit by one bulb in the hallway ceiling, and it is the worst possible place to put it. It sits behind you as you climb, throwing your own shadow onto the treads you are trying to see, and leaves the top of the flight in gloom.
Lighting a staircase properly is not expensive and it is not complicated. It mostly comes down to putting light low, putting it along the flight rather than above it, and being able to switch it from both ends.
Why One Ceiling Light Is Never Enough
A single overhead fitting creates two problems at once. It lights the top surface of the treads unevenly, and because it is usually behind the person climbing, it puts a shadow exactly where the foot is about to land.
It also flattens the staircase visually. Stairs are one of the few three-dimensional features in a house, and light coming from directly above removes all the shadow that gives the treads definition.
Our staircase ideas guide covers the rest of the flight; this article is about the light itself.
Wall Lights Along the Flight
The most reliable fix for a UK staircase is a run of wall lights mounted along the flight, roughly at waist to shoulder height as you climb.
Mounted at that level they light the treads directly rather than the tops of people’s heads, and the light climbs with the stairs so the flight is evenly lit from bottom to top. Two or three fittings do most staircases.
Choose something shallow. Anything projecting more than about 100mm from the wall on a narrow staircase becomes a hazard for shoulders and elbows, and it will get knocked. Half-moon uplighters and flush disc fittings are the usual answers.
Recessed Step and Riser Lights
Step lights sit in the wall just above tread level, or occasionally in the riser itself, and throw light directly across the surface of each step.
They are the best option for safety because they light exactly what needs lighting and nothing else, and they are unobtrusive during the day. They are also the most disruptive to install in an existing house, since they need chasing into the wall and wiring, so they suit a renovation rather than a weekend update.
If you like the effect but not the building work, surface-mounted low-profile step lights achieve something similar with far less mess.
Pendants in a Stairwell
Where a staircase runs through a double-height space or a galleried landing, a long pendant or a cascade of them is the obvious statement, and it works.
Two practical points decide whether it succeeds. First, it must be reachable. A beautiful pendant hanging three metres above a staircase is a nightmare to clean and change, so either use a fitting with a winch, or choose LED lamps with a very long life and accept occasional scaffolding.
Second, it should not be the only light. A pendant fills a stairwell with atmosphere and lights the treads poorly, so pair it with wall or step lights.
For lighting elsewhere in the house, see our home lighting ideas guide.
Two-Way Switching Is Not Optional
This is the detail that decides whether good staircase lighting actually gets used. If the switch is only at the bottom, anyone upstairs has to come down in the dark to turn it off, and so they leave it on or never turn it on at all.
Two-way switching, with a switch at the bottom and one at the top of the flight, is standard practice and any electrician will fit it as a matter of course. If you are rewiring anything on the staircase, do this at the same time.
Where wiring a second switch is difficult, a smart bulb or smart switch controlled from a phone or a battery-powered wall remote achieves the same thing without lifting floorboards.
Motion Sensors and Night Lighting
A staircase is the one place in a home where automatic lighting genuinely earns its keep, because people use stairs at night, half asleep, often carrying something.
A PIR sensor set to bring step lights up to a low level when someone enters the hallway is far safer than fumbling for a switch, and far less jarring than full brightness at three in the morning.
Keep the automatic level low and warm. The point is to see the edge of each tread, not to floodlight the hall.
Bulb Colour and Brightness
Colour temperature matters more on a staircase than most people expect, because a hallway is usually the first and last space you see each day.
- Stick to warm white, around 2700K. Anything cooler makes a hallway feel like a corridor in an office.
- Use dimmable fittings where you can, so the flight can be bright in the morning and low in the evening.
- Match the colour temperature across every fitting on the staircase. Mixing warm and cool bulbs on one flight is very visible and looks like a mistake.
- Aim the light at the treads rather than at the wall opposite. Reflected light is softer but leaves the step edges undefined.
Lighting a Dark or Windowless Staircase
Plenty of UK staircases have no natural light at all, particularly in terraces where the stairs sit in the middle of the plan.
The instinct is to make everything as bright as possible, which produces a flat, unpleasant space. The better approach is more fittings at lower output, placed along the flight, so the light has direction and the treads have shadow at the nosing.
A mirror on the landing wall, or a pale colour on the wall opposite the light fittings, does more for a dark staircase than a brighter bulb. So does keeping the balustrade visually light, which lets what light there is travel through.
Getting the Wiring Right
Staircase lighting almost always means new wiring, and lighting circuits in a home are notifiable work in many circumstances.
Use a qualified electrician, particularly for two-way switching, recessed step lights or anything requiring chasing into a wall. Ask for a certificate on completion; it matters when you sell the house.
If you want the effect without the work, plug-in wall lights, battery-powered sensor lights and smart bulbs in existing fittings will get you most of the way there with no electrician at all.
Mistakes Worth Avoiding
- A single bright downlight at the top of the flight. It dazzles anyone climbing towards it and lights nothing useful.
- Fittings that project far into the walking space on a narrow flight.
- Cool white bulbs in a hallway. Nothing makes a home feel less welcoming.
- Lighting the stairwell beautifully and leaving the landing dark, so the top of the flight is the least visible part of the journey.
- A pendant you cannot reach to clean.
Final Thoughts
Put the light low, put it along the flight, keep it warm, and make sure it switches from both ends. That combination costs less than a decent pendant and does far more for both safety and atmosphere.
If you only change one thing, add a wall light halfway up. It is the single biggest improvement available to a dark UK staircase.
Frequently Asked Questions
What is the best lighting for a staircase?
Wall lights mounted along the flight at waist to shoulder height, or recessed step lights. Both light the treads directly instead of casting shadow on them.
How high should staircase wall lights be?
Roughly waist to shoulder height as you climb, so the light falls on the treads. Keep fittings shallow on a narrow flight.
Do I need two-way switching on stairs?
Practically, yes. Without a switch at both ends people either leave the light on or never use it. A smart bulb is an alternative if rewiring is difficult.
What colour bulb suits a hallway staircase?
Warm white around 2700K. Cooler temperatures make a hallway feel like an office corridor. Match the temperature across every fitting on the flight.
Are motion sensor stair lights worth it?
On stairs, yes. They light the treads automatically at night when people are half asleep. Keep the automatic level low and warm.
Can I add staircase lighting without an electrician?
Plug-in wall lights, battery sensor lights and smart bulbs need no wiring. Recessed lights and two-way switching should be done by a qualified electrician.
Disclaimer
This article is for general information only. Electrical work in the home is regulated. Use a qualified electrician and obtain the appropriate certification for any new wiring.