How Do You Light an Open-Plan Kitchen Diner?

Stop thinking of it as one room. An open-plan kitchen diner is three jobs sharing a floor, so light it as three zones: a bright, workmanlike cook zone, a warmer dining zone with one confident fitting over the table, and a soft relax zone of lamps and wall lights. Put each zone on its own switch and its own dimmer, hang your island and table pendants roughly 75 to 90cm above the surface, and keep the finishes talking to each other. Do that and the space does breakfast, homework, dinner and a glass of wine at ten without ever touching the same setting twice.

The reason so many open-plan kitchen diners feel like a slightly posh canteen is that they were wired like one: a ceiling full of evenly spaced downlights on a single switch, blazing away at one brightness whatever you are doing. Knock three rooms into one and you inherit three completely different lighting needs, then most people light all of it as if it were a kitchen. Here is how to zone it properly, where the fittings go, and exactly where we would overrule you.

This is the room-specific version of our wider three-layer lighting guide. If you want the underlying theory of ambient, task and accent, start there. This piece is about applying it across an open space where the zones fight each other.

First, draw the three zones, not one room

Before you choose a single fitting, mark where the space changes job. Almost every open-plan kitchen diner has the same three zones, even if the floor is one continuous run of oak.

• The cook zone. Worktops, hob, sink, the island if it is a working one. This wants the brightest, crispest light in the room, and most of it should land on the surfaces, not the floor.
• The dining zone. The table. This wants the opposite: warm, contained, flattering light that says sit down and stay a while.
• The relax zone. The sofa, the reading chair, the corner where the room stops being a kitchen. This wants lamps and wall lights, low and warm, doing almost none of the practical work.

Our strong opinion, and the one everything else hangs off: the biggest mistake in the whole room is treating those three zones as one lighting problem with one solution. If your entire open-plan space comes on at one brightness from one switch, you have wired a very expensive strip light. Zone it or you have wasted the room.

The cook zone: bright, task-led, and not a grid of downlights

The cook zone is the only part of the space that genuinely needs to be bright, so this is where the practical light lives. The instinct is to pepper the whole ceiling with downlights on an even grid and call it done. Resist it. A ceiling laid out like a car park lights the floor beautifully and your worktops badly, because you stand between the downlight and the surface and chop in your own shadow.

• Position downlights over the front edge of the worktops, not over the walkway, so the light falls on the surface and not on your back.
• Add under-cabinet lighting. It is the single most useful thing you can put in a kitchen and almost nobody who fits it regrets it. It kills the shadow-on-the-chopping-board problem outright.
• Keep the cook zone on its own circuit. You want to be able to flood it at breakfast and switch most of it off when you are eating six feet away.

Browse the ceiling lights range for the ambient and recessed layer over the cooking end. Just do not let an even grid of spots become the entire scheme, because it flattens the one part of the room you most need to see in three dimensions.

The dining zone: one confident fitting over the table

The dining table is where an open-plan space earns back its warmth, and it deserves a proper fitting, not a stray downlight doing part-time work. This is the emotional anchor of the room, the thing people sit under for two hours, so give it a single confident pendant, a linear fitting, or a considered run of two or three, hung low and warm.

Height matters more here than anywhere. Hang the bottom of the fitting roughly 75 to 90cm (about 30 to 36 inches) above the table surface. Low enough to pool light on the table and make the zone feel contained, high enough that people across the table can still see each other. That range assumes a standard ceiling of about 2.4m; for every extra 30cm of ceiling height, add around 7cm of drop so the fitting still reads as belonging to the table rather than floating near the ceiling.

• Centre the fitting on the table, not on the room. In an open plan space the table is rarely in the middle of the floor, and a pendant centred on the ceiling instead of the table looks like a mistake for the life of the house.
• Aim for a fitting roughly one half to two thirds the width of the table. Smaller looks mean, wider starts to crowd.
• Put it on its own dimmer. Bright for homework, low for dinner. Same fitting, two completely different rooms.

The island: where the cook and social zones collide

The island is the diplomatic problem of the whole room, because it is half worktop and half gathering spot, so it has to look good and work hard at the same time. Pendants over the island are almost always the right answer, and they do double duty: task light for prep, and a visual full stop that separates the cooking end from the dining end.

• Hang island pendants at the same rough height as the table fitting, around 75 to 90cm above the worktop, so sightlines stay clear across the island.
• For spacing, keep the pendants roughly 75 to 80cm apart and set the outer ones in from the island ends rather than right at the tips. Two pendants suit most islands; three suit a long one. An even number generally looks more deliberate than an odd one over a rectangular island, which is the reverse of the odd-numbers rule people quote for tables.
• Here is the hill we will die on: if you fit island pendants without a dimmer, you have bought half a lighting scheme. Full-brightness prep pendants glaring over your wine at nine at night is exactly the mood you were trying to avoid by going open plan in the first place.

The island pendants are worth getting properly right, so we have a fuller guide to spacing, numbers and sizing in the kitchen island lighting range and notes. Treat the island as the bridge between your two brightest and warmest zones, and it stops the open plan from feeling like two rooms awkwardly sharing a floor.

The relax zone: lamps, wall lights, and almost no ceiling

The sofa end is where people forget they are still in an open-plan space and light it like part of the kitchen, which is why so many of these rooms have a lovely soft cooking area and a brightly lit sofa nobody wants to sit on. The relax zone should be the dimmest, warmest corner of the whole floor, and it should get almost none of its light from the ceiling.

• Use table and floor lamps at low and mid height to pool warm light around the seating. This is the layer that makes the far end feel like a different room without a single wall.
• Add wall lights. They light faces at eye level, which flatters, and they mark the relax zone as its own place. A pair of wall lights is the fastest way to tell the eye 'the kitchen ends here'.
• Keep the downlights over this zone dimmed hard, or off entirely in the evening. Overhead light is the enemy of a relaxed corner.

A pair of wall lights is the single best thing you can add to the sofa end of an open-plan room. Nothing else separates the zones as cheaply or as convincingly.

Wire it as separate circuits and dimmers, or none of the above works

Zoning is a wiring decision as much as a fitting decision, and it is the part people skip because it happens before the pretty bit. If the cook, dining and relax zones all come on together at one level, you have three zones on paper and one zone in practice. The entire promise of an open-plan diner is that the same floor does bright and practical at eight in the morning and low and intimate at nine at night.

• Put each zone on its own switch and its own dimmer, so the cook zone can blaze while the dining and relax zones sit low.
• Decide the circuits before first fix, not after. Retrofitting separate zones into a finished ceiling is expensive and miserable, so this is the one part to nail early with your electrician.
• Nobody ever regretted fitting a dimmer. In an open-plan room, where one space has to be four moods, they are not optional.

Keeping the fittings coherent across zones (without going matchy-matchy)

Because you can see all three zones at once, the fittings have to look like they belong to the same room, which is the bit that separates a designed open plan from a collection of good individual choices. The trap is overcorrecting into a matching set, where the island pendants, the table pendant and the wall lights are all the identical fitting. That does not read as coherent, it reads as a showroom display.

• Pick one metal or finish and hold it across the room. Aged brass on the island, aged brass on the table fitting, aged brass on the wall lights. The shapes can differ; the finish should not.
• Let the fittings rhyme, not match. A round island pendant and a linear table fitting in the same finish look considered. Three of the exact same pendant scattered about look like you gave up.
• Vary the scale by zone. The table fitting can be the statement, the island pendants quieter, the wall lights quietest of all. One hero per room, not three.

One colour temperature does not fit an open-plan room

Colour temperature is the quiet mistake that undoes a lot of otherwise good open-plan schemes, because people fit one temperature everywhere. Flood the whole floor with cool 5000K daylight and the cooking is crisp but you are eating dinner and watching television in what feels like a supermarket. Warm the whole floor to 2700K and the dining end is gorgeous while you cannot tell if the chicken is done.

Split it by zone, the same way you split the circuits. Run the cook-zone task surfaces a touch cooler, around 3500 to 4000K, for genuine clarity where it matters. Keep the island pendants, the table fitting and the whole relax end warm, around 2700 to 3000K, because that is the part of the room people actually sit in. The eye forgives a slight shift in temperature across a big space far more readily than it forgives the whole thing being wrong for the job.

Once the zones and circuits are settled, the enjoyable part is choosing. Start the cook zone in ceiling lights, anchor the island with a pair from the kitchen island lighting range, and mark the relax end with a pair of wall lights. Three zones, one coherent room.

Frequently asked questions

How many pendants should I hang over a kitchen island in an open-plan room?

Two pendants suit most islands, and three suit a long one. Space them roughly 75 to 80cm apart and set the outer ones in from the island ends rather than at the tips. Over a rectangular island an even number usually looks more deliberate than an odd one, which is the opposite of the odd-numbers advice people give for round tables.

Should the kitchen and dining lights match in an open-plan space?

They should be coherent, not identical. Hold one metal or finish across the whole room, then let the shapes and scales differ by zone. A round island pendant and a linear table fitting in the same finish look considered. Three of the exact same fitting scattered about look like a showroom, which is worse than mixing on purpose.

What colour temperature is best for an open-plan kitchen diner?

Split it by zone. Run the cook-zone task surfaces a touch cooler, around 3500 to 4000K, for clarity where you prep and cook. Keep the island pendants, the table fitting and the relax end warm, around 2700 to 3000K, because that is where people sit. One temperature everywhere always compromises either the cooking or the atmosphere.

How high should I hang pendants over the island and the table?

Hang the bottom of the fitting roughly 75 to 90cm (about 30 to 36 inches) above both the island worktop and the table surface. That keeps sightlines clear and pools the light where you want it. For ceilings higher than about 2.4m, add around 7cm of extra drop for every 30cm of additional ceiling height.

Do I really need separate circuits for an open-plan kitchen diner?

Yes, and it is the decision that makes everything else work. Put the cook, dining and relax zones on their own switches and dimmers so the same floor can be bright and practical in the morning and low and warm at night. Settle the circuits with your electrician before first fix, because retrofitting zones into a finished ceiling is expensive and miserable.

Words by James Kelly, KES Lighting & Home. Last updated 4 August 2026.

Anchor your open-plan space with the KES kitchen island lighting range →

Shop the range

Kitchen lighting

Endon Marietta 3 Light Pendant Light in Antique Brass with Clear Glass

£118.60

Kichler Riven LED Pendant in Champagne Bronze

£145.26

Astro Ascoli 5 Light Bar Spotlight

£204.55

Endon Ashcroft Flush Ceiling Light Brushed Aged Brass and Clear Glass

£42.50

Astro Avignon Round 375 Wall Light

£171.50

Diyas Coniston 4 Light Tall Wall Light in Antique Brass

£275.40

Browse all kitchen lighting →