Kitchens

Kitchen island: when it makes sense and what dimensions you need

Arch. Katerina Taneva6 November 20264 min read
In short

A kitchen island makes sense when there is at least 100 cm of clearance on all sides (with two people in the kitchen – 110–120 cm). The minimum size of an island is about 120 × 60 cm, and for seating a depth of at least 90 cm with a 25–30 cm overhang. The island can be just a work surface, or have a sink or a hob – each option has advantages and needs different services. If there is no room, a peninsula is an excellent alternative.

An island is the dream of almost everyone designing a kitchen. It is a work surface, a breakfast spot, a bar for guests and a natural boundary between the kitchen and the living room. But in the wrong space it becomes an obstacle everyone has to squeeze around. Here is how we judge whether an island is the right solution.

Travertine kitchen island with bar stools in an open-plan space
The island as the social centre of the home – a place to cook, eat breakfast and talk.

When an island makes sense

  • The kitchen is open to the dining or living room.
  • There is enough room for clearance on all sides.
  • You want more work surface and storage.
  • You want a place for quick meals or for guests while you cook.

As a guide, an island fits well when the kitchen zone is at least 3.5–4 m wide. In narrower spaces an L-shaped kitchen with a peninsula is a better solution.

Dimensions and clearances

ParameterRecommendation
Minimum island sizeabout 120 × 60 cm
Depth with seating90–100 cm
Knee overhang25–30 cm
Clearance around the islandminimum 100 cm
Clearance with two cooks110–120 cm
Height of the work sectionabout 90 cm
Bar counter heightabout 105–110 cm
Seating widthabout 60 cm per person
Kitchen island from above with the clearances around it
The clearances around the island matter more than its size.

Work surface, sink or hob

An island with just a work surface

The simplest solution – no services, just a worktop and storage below. The island stays clean and tidy, suitable for preparation and dining.

An island with a sink

Convenient when you want to wash vegetables and dishes facing the living room. It needs plumbing and drainage brought up through the floor, which is planned before the screeds. The dishwasher goes next to the sink, in the island.

An island with a hob

You cook facing your guests – striking and sociable. You need a powerful extractor – pendant, built into the ceiling or built into the worktop – and a properly routed power supply. Plan a safe zone around the hob if people sit at the island.

Kitchen island with a built-in induction hob and a ceiling extractor
An island with a hob: you cook facing your guests.

Seating

For comfortable seating on bar stools, the overhang should be at least 25–30 cm, with about 60 cm of width per person. Choose stools of the right height: for a 90 cm worktop – a seat of about 65 cm; for a 105–110 cm bar counter – a seat of about 75 cm.

Materials for the island

  • Worktop: quartz, sintered stone or natural stone – often “flowing” down the sides for a monolithic look.
  • Carcass: veneer, painted MDF or cladding in a different colour from the rest of the kitchen – the island can be the accent.
  • Details: curved edges, slats, open niches for books and tableware.

More about materials in the guide to custom kitchens.

Lighting above the island

Pendant lights above the island are both task lighting and a decorative accent. They are usually hung 75–85 cm above the worktop, and the number depends on the length – two or three lamps or one linear one. Add recessed spotlights too, for even light while cooking. See how we plan home lighting.

The peninsula – the alternative

When there is no room for an island, a peninsula (a worktop connected to the main kitchen on one side) gives almost the same benefits: work surface, a breakfast spot and a boundary with the living room. It needs clearance on only one side.

“The island is the most sociable piece of furniture in the home. But only when there is air around it.” – Arch. Katerina Taneva

DOMO designs custom kitchens with and without an island. See examples in our projects and on the page kitchen interior design.

Frequently asked questions

How much space do you need for a kitchen island?

At least 100 cm of clearance on all sides. As a guide, the kitchen zone should be at least 3.5–4 m wide.

What is the minimum size of a kitchen island?

About 120 × 60 cm. For seating, the depth should be 90–100 cm.

Is it better to have the sink or the hob on the island?

Both work. A sink needs plumbing in the floor, and a hob needs a powerful extractor. An island with just a work surface is the easiest to maintain.

At what height are pendant lights hung above the island?

Usually 75–85 cm above the worktop, so they light it well without blocking the view.

What should I choose if I don't have room for an island?

A peninsula – it gives work surface and a breakfast spot and needs clearance on only one side.

Thinking about a kitchen with an island? We will tell you honestly whether there is room and how to do it.

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Arch. Katerina Taneva
Arch. Katerina TanevaArchitect and founder of DOMO. Member of the Chamber of Architects in Bulgaria, with more than 15 years of practice and 150+ completed projects.
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