Getting the rug size right is one of the most impactful decisions you can make in a room. Too small and even the most beautiful rug disappears, making the space feel disconnected and unfinished. Too large and the room can feel cramped. It's a surprisingly common mistake — and one of the easiest to avoid with a little guidance.
Here's how to think about sizing, room by room.
The living room: anchor your furniture
The most common mistake in living rooms is choosing a rug that's too small. Your rug should be large enough to sit under the front legs of all key seating — sofa and armchairs — at minimum. Ideally, all four legs of your furniture sit on the rug.
A practical starting point: in a standard UK living room, a 200 x 300cm rug is usually the minimum for a three-seat sofa arrangement. For larger, open-plan spaces, a 240 x 340cm or even 300 x 400cm will feel far more considered.
If you're unsure, lay out newspaper or masking tape on the floor to simulate the rug's footprint before you buy. It takes five minutes and can save you a costly return.
The dining room: leave room to pull back
In a dining room, the rule is simple: the rug should extend at least 60–70cm beyond the edge of the table on all sides. This ensures chairs remain on the rug even when pulled back — nothing looks worse than chair legs catching on a rug edge mid-meal.
For a standard 6-seat dining table (roughly 180cm long), a 280 x 360cm rug is a reliable choice. Round tables pair beautifully with round rugs of the same principle.
The bedroom: underfoot comfort where it counts
Bedroom sizing is more flexible, but the goal is warmth underfoot the moment you step out of bed. The most popular approach is to position the rug so it extends 50–60cm beyond the sides and foot of the bed. For a king-sized bed, a 200 x 300cm rug placed centrally usually achieves this beautifully.
Alternatively, two runner rugs — one along each side of the bed — can work well in narrower spaces and give a slightly more contemporary feel.
Hallways and runners
Hallway runners should span most of the corridor's length, leaving a small gap (around 15–20cm) at each end. Width-wise, the runner should leave a consistent border of bare floor on either side — somewhere between 10 and 20cm feels balanced.
A note for interior decorators
For trade clients specifying rugs across multiple spaces, it's worth mapping every room before ordering. Consider the visual flow between adjacent areas — especially in open-plan homes where rugs define zones rather than fill rooms. At Kelaty, our team is always happy to advise on bespoke sizing for complex spaces.
Still unsure? Our team has been helping customers find the right rug for over 60 years. Browse our full range or get in touch — we love a sizing challenge.