Kitchen Worktop & Under-Cabinet Lighting: How to Avoid Shadows

Good kitchen task lighting is less about making the whole room brighter and more about putting light where hands, knives, ingredients and appliances actually are. The common problem is shadow: if the only useful light comes from behind you, your body blocks it just when you need it most. Under-cabinet lighting, correctly placed downlights and carefully planned circuits solve different parts of that problem.

Complementary kitchen lighting: this pendant illustrates the separate overhead layer. It is not an under-cabinet fitting. View Telescope 3 Light Pendant - Black Metal on Illuminations Direct.

Why do kitchen worktops end up in shadow?

A ceiling light can make a kitchen feel bright while the worktop itself remains poorly lit. Stand between a ceiling fitting and the surface and your own body can cast a shadow across the preparation area. The answer is not simply a brighter central fitting; it is a light source positioned to reach the work surface directly.

What is under-cabinet lighting for?

Under-cabinet lighting puts useful light onto the rear worktop run, where wall cupboards would otherwise block or weaken light from above. It can also soften the kitchen in the evening, but its first job should be practical: make the work surface easier to see without relying on the main ceiling lights.

Where should under-cabinet lighting be positioned?

As a general design principle, position the light so it reaches the usable worktop rather than washing only the splashback or the wall. The exact position depends on the cabinet depth, the light source and its beam or diffuser, so it is worth testing the effect before committing to a final installation.

LED strip or individual under-cabinet fittings?

A continuous LED strip can give an even line of light, especially when used in a suitable profile or diffuser. Individual fittings can work where the cabinetry or existing wiring makes a continuous run impractical. The better option is the one that produces an even working surface without obvious bright spots or dark gaps.

Does an LED strip need a diffuser or profile?

Not every installation is identical, but a profile and diffuser can help protect the strip, soften visible points of light and produce a cleaner finished appearance. This matters particularly where the strip itself can be seen from a seated position or reflected in a polished worktop or splashback.

What colour temperature works over a kitchen worktop?

There is no rule that every worktop must be 4000K. Many kitchens work well at 3000K, while some customers prefer the cleaner appearance of 4000K for task areas. The bigger design question is how the worktop lighting relates to the rest of the room, particularly in an open-plan kitchen-dining space. Our 2700K, 3000K or 4000K guide explains the differences in more detail.

Should the worktop lights match the pendants?

They do not have to be identical products, but the light should feel deliberate when the kitchen is viewed as one room. Very different colour temperatures can make adjacent surfaces look disconnected. In open-plan spaces, think about how the task lighting looks when the cooking is finished and only the decorative lighting remains on.

What about an island?

An island needs a different decision because it may have no wall cabinets above it. Pendants can provide useful light and visual focus, but their number, spacing, size and hanging height are a separate subject. See our Kitchen Island Pendant Spacing, Height & Size guide.

Should worktop lighting be on a separate switch?

Usually it is worth thinking about separately. A kitchen often changes from a working room into a dining or social space, so being able to turn task lighting off while leaving pendants, wall lights or softer ambient sources on gives the room much more flexibility. The exact circuit and switching design should be planned with the electrician.

Should under-cabinet lighting be dimmable?

It can be useful where the same lighting also contributes to evening ambience, but only if the LED strip or fitting, driver and control are compatible. If dimming matters, specify it at the planning stage rather than assuming it can be added later. For compatibility issues, see our LED Dimming & Flicker guide.

Where should the driver or power supply go?

LED strip systems normally need a suitable driver or power supply, and its location should be planned rather than hidden somewhere inaccessible. The electrician or kitchen installer should decide the electrical arrangement, ventilation and access requirements for the actual products being used.

Plan the lighting before the kitchen is fitted

Under-cabinet feeds, island positions, wall-light points and switching are far easier to plan before the cabinetry and finishes are complete. If you are renovating, bring the kitchen plan in early. Our New Build & Renovation lighting guide covers the decisions worth making before first fix.

How bright should kitchen task lighting be?

Brightness cannot be judged from wattage alone. Lumens, beam spread, distance from the worktop, cabinet position, surface colour and the amount of surrounding light all affect the result. Our Lumens & Brightness guide explains why a single room-wide number rarely tells the whole story.

The kitchen still needs more than task lighting

Worktop lighting solves a practical problem, but it is only one part of the room. Ceiling lighting, decorative pendants, lamps and accent lighting can each have a different job. For the overall principle, see Layered Lighting: The Three Layers Every Room Needs.

What should I bring when planning kitchen lighting?

Bring a kitchen plan if you have one, cabinet elevations, the island dimensions, ceiling height, photographs of the room and any proposed electrical layout. Mark where you prepare food, where people sit and where wall cabinets finish. Those details make it much easier to discuss where decorative and task lighting should work together.

See the light before you commit

Different diffusers, glass finishes and colour temperatures can look very different once switched on. Illuminations of Camberley can help you compare the decorative side of the scheme and think through how it relates to the working light in the kitchen. Electrical design, fixed wiring and installation should be completed by the appropriate electrician or installer.

Illuminations of Camberley · 66–68 High Street, Camberley, Surrey GU15 3RS · Monday–Saturday 9am–5:30pm · No appointment needed.

Shop this advice

Ready to look at fittings? Browse the relevant Illuminations Direct collections, then collect from our Camberley showroom:

Shop Kitchen & Island Lighting