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Double vanity units: when they work and how to plan them

A double vanity is high on a lot of wish lists, especially for couples who get ready at the same time. It’s a great feature when the room can take it, and a squeeze when it can’t.

Three ways to do it

LayoutSuitsWorth knowing
Two basins on two unitsTwo people getting ready at onceNeeds width. Two basins also means two sets of taps and wastes.
One basin across both unitsLots of storage with one basinA long, calm run, simpler plumbing, more worktop.
One basin, one unit, plus storageNarrower roomsKeeps the clean line of a vanity run without the width of two basins.

Questions to ask

  • Do two people really use the basin at the same time? If not, one basin with more storage is often the better use of the width.
  • Where’s the waste? Two basins mean two waste runs, or a shared run, to plan.
  • What’s opposite? A long run needs room in front of it to stand and open drawers. Check the clearance to the bath, the shower door or the WC.
  • Wall-hung or floor-standing? Wall-hung vanities need their height off the floor set properly, and they show more floor, which makes a room feel larger.

Mirrors and lighting

Two basins usually want two mirrors or one long one, centred on the basins. Light the face, not just the room: a front-lit mirror or good task lighting at each basin.

Planning it in KBB Go

KBB Go’s double vanity can have a basin on the left, the right or both, or one basin running across both halves, with a Flip to swap it round. A mirror centres itself over the basin below. Then check the drawers and the space in front in 3D before anything’s ordered.