L-Shape: This is probably the most common layout in the UK. Units run along two adjoining walls, leaving the rest of the room open. It works well in medium-sized kitchens and gives you a good amount of worktop space. If you've got room, you can add a small island or a table in the open space.
U-Shape: Units on three walls. This gives you the most storage and worktop space, but you need a room that's wide enough to make it work. If the room is too narrow, a U-shape can feel cramped. As a rough guide, you want at least 1.2 metres between opposite runs of units.
Galley: Two parallel runs of units facing each other. This is efficient for cooking because everything is within arm's reach, but it can feel tight if more than one person is in the kitchen. It works well in narrow rooms and is a favourite with serious cooks.
Island: Any of the above layouts with a freestanding unit in the middle of the room. Islands are popular because they add worktop space, storage, and a social element. But you need a big enough room — there should be at least 900mm of clear space around the island on all sides, ideally more.
Single Wall: Everything along one wall. This is common in flats and open-plan spaces. It's the most compact layout but obviously gives you the least storage and worktop space.