What is the standard height for wall lights?
The standard height for wall lights is 150–170cm from the finished floor level, centred on the fitting body, not the top or bottom.
The 150–170cm rule is the most widely used guideline for domestic wall lights in the UK, and it holds across most room types. At this height, the light source sits near adult eye level, which minimises glare and produces a comfortable spread of illumination across the room.
The measurement is taken from the finished floor to the centre of the fitting — not to the top of the backplate or the bottom of the shade. This distinction matters when you're marking out cable positions before plastering, since getting it wrong by even 10cm can make a fitting look awkward once the room is complete.
For rooms with standard 2.4-metre ceilings, 160cm tends to be the sweet spot. In rooms with higher ceilings — 2.7 metres or above — you can push to 170cm without the lights feeling disconnected from the living zone below.
If you're browsing styles to match a specific room scheme, the range of wall lights available covers everything from compact directional spots to larger decorative globes, making it straightforward to find a fitting that suits the scale of your wall space.
One practical tip: if you're installing a pair of wall lights either side of a mirror, sofa, or bed, fix both fittings at the same height from the floor rather than trying to centre them visually on the object — floors are more reliably level than furniture is consistently sized.
Does the ideal height change depending on the room?
Yes — bedside wall lights sit lower at around 120–140cm, while hallway and living room fittings follow the standard 150–170cm range.
Room function changes the calculus considerably. In a bedroom, wall lights fitted either side of the bed are used for reading, so the fitting needs to direct light downward onto the pillow area rather than across the room. A height of 120–140cm from the floor — roughly 20–30cm above the top of a standard mattress — works well for most bed heights. If you have a particularly high divan or a thick mattress topper, measure from the mattress surface rather than guessing.
In hallways and staircases, the standard 150–170cm range applies, but you should also consider the width of the corridor. A wide hallway can accommodate a fitting that projects 15–20cm from the wall without issue. In a narrow hallway under 90cm wide, a flush or semi-flush fitting that projects no more than 10cm is safer and more comfortable to pass.
For living rooms, wall lights are often used as accent or mood lighting rather than the primary source, so the height can flex slightly to suit the architecture — for example, positioning a fitting to wash light across a textured wall or a piece of artwork. In these cases, the fitting height is driven by what you want to illuminate rather than by a fixed rule.
Bathroom wall lights flanking a mirror are typically set at 150–160cm, aligning with the face rather than the top of the mirror, to provide even, shadow-free illumination for grooming tasks.
How high should wall lights be in a staircase?
Staircase wall lights should be spaced every 1.5–2 metres of vertical rise, with each fitting centred at 150cm above the nearest tread.
Staircases present a unique challenge because the floor level changes continuously. The practical approach is to treat each fitting as if it has its own local floor: measure 150cm vertically from the nearest tread directly below the fitting position, and mark your cable outlet there.
For a typical straight staircase with 13–14 risers, two or three wall lights staggered up the wall will provide adequate coverage without creating hot spots or dark patches. On a longer staircase or a dog-leg design, space the fittings so no section of the stair is more than 1.5 metres from a light source.
Projection is particularly important on stairs. A fitting that protrudes more than 10cm at head height on a staircase becomes a hazard, especially when carrying items up or down. Choose low-profile designs or directional spots that sit close to the wall surface.
Electrical work on staircases often involves running cables through ceiling voids or behind plasterboard, which can be more complex than a standard room installation. The NICEIC guidance on garden and electrical work is worth reviewing for general householder electrical safety, and a Part P-registered electrician should carry out or certify any new wiring. Marking cable routes accurately before boarding or plastering will save significant remedial work later.
What else affects the right mounting height?
Shade size, ceiling height, and the fitting's purpose all shift the ideal mounting height by up to 20cm either side of the 160cm baseline.
A large shade or globe fitting that extends 20cm below the centre of the backplate will feel oppressively low if you mount the backplate at 170cm — the bottom of the shade ends up at 150cm, which is face height for many adults. For larger fittings, drop the mounting height so the bottom of the shade clears 130cm comfortably.
Ceiling height is the other major variable. In a room with a 3-metre ceiling, mounting wall lights at the standard 160cm leaves a large unlit zone above, which can make the ceiling feel heavy. In these rooms, consider raising the fittings to 180–190cm, or pairing them with an upward-facing fitting that washes the ceiling.
The fitting's purpose also matters:
- Ambient or mood lighting: standard 150–170cm range
- Task lighting (reading, grooming): lower, 120–145cm
- Accent or artwork lighting: position to suit the object, not a fixed height
- Security or external wall lights: 200–240cm to prevent tampering and maximise coverage
For new builds and major renovations, the NHBC technical standards set out requirements for electrical installation quality that apply to lighting positions as well as wiring. Even on a straightforward refurbishment, checking these standards ensures your installation will pass inspection and meet building regulations without costly rework.