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Persian Rug Sizes for UK Living Rooms — Which Size Actually Fits?

By Knotted Rugs · 6 Jun 2026 · 9 min read

The most common mistake British rug buyers make is going too small. A rug that is even 20 cm too narrow can make a beautiful room feel cramped, unbalanced and oddly undecorated. This guide shows you exactly which Persian rug size works for each kind of room — based on real UK floor plans, not American ones.

The British problem with rug sizing

Most rug-sizing advice on the internet is American. American living rooms are typically 5–7 metres across; the standard advice — "8 by 10 feet" (244×305 cm) — was written for those rooms. The average British living room is 3.5–4.5 metres across. A 200×300 cm rug that looks "medium" in an American showroom can look generous in a London semi.

Get the right size and your room reads as designed. Get it wrong and even a £3,000 antique Tabriz will look apologetic.

The three classic layouts

Layout 1: All furniture off the rug

Furniture sits around a smaller rug — rug acts as a "table" in front of the sofa.

Layout 2: Front legs on the rug ⭐ (recommended)

The front legs of every sofa and chair sit on the rug; the back legs sit on the floor.

Layout 3: All furniture on the rug

The entire sofa, both armchairs and the coffee table sit fully on the rug.

Living room sizing by room dimensions

Room sizeLayoutRecommended rug sizeFrom our collection
Up to 3.5 × 3.5 m (small)Front legs on170×240 or 200×290Medium Rugs
3.5 × 4 to 4 × 4.5 m (typical)Front legs on200×300 or 240×340Large Rugs
4 × 5 to 5 × 5.5 m (large)All-on or front-on250×350 or 300×400Large Rugs
5.5 × 6 m+ (knock-through)All furniture on300×400 to 400×500Extra Large Rugs
Open-plan kitchen / loungeZone-defining240×340 in lounge areaLarge Rugs

Dining rooms

The single most important rule for dining rugs: chair legs must stay on the rug when pulled out. Otherwise every meal turns into a tipping hazard and the chair legs catch the edge.

Table sizeSeatsRecommended rug size
140 × 80 cm4200×260 or 200×300
180 × 90 cm6240×300 or 240×340
220 × 100 cm8250×350 or 300×400
Round, 120 cm4–5250×250 or 240×340
Round, 150 cm6300×300 or 300×400

Bedrooms

Three working layouts:

  1. Rug fully under bed, extending past: rug should extend at least 60 cm beyond the foot and sides of the bed. For a UK king (150 cm wide) and standard frame, a 240×340 cm rug works.
  2. Rug under bottom two-thirds of bed: headboard wall is bare; rug starts under the lower legs of the bed. 200×300 cm typically suits a UK king.
  3. Two runners on either side: traditional, especially with a fitted carpet. Two 80×200 cm runners flank the bed.
Bed size (UK)Rug under whole bedRug under foot of bed
Single (90×190)170×240120×170
Double (135×190)200×300150×210
King (150×200)240×340170×240
Super-king (180×200)300×400200×290

Hallways and runners

Victorian and Edwardian British hallways are narrow (90–110 cm) and long (3–6 m). A runner unifies and softens the space, and protects the original tile or timber underneath.

Browse our hallway runners →

Three sizing mistakes to avoid

  1. Buying for the room you have today, not the layout you actually use. If you'll be rearranging when the kids leave, buy for the bigger configuration — Persian rugs outlast sofa choices.
  2. Choosing too small to "save money". A rug that's 30 cm too narrow doesn't look frugal — it looks wrong. Better to spend the same money on a slightly less fine rug in the correct size.
  3. Forgetting door clearance. Internal doors clear about 8–10 mm of floor in British homes. A piled rug is usually 10–14 mm thick. Measure before you buy a rug that crosses a doorway.

Not sure? Bring your room dimensions

Our Beckenham showroom keeps every standard size in stock from 100×150 to 400×500 cm. Bring a quick floor plan or even a phone photo with measurements written on, and we'll match the rug to the room rather than the other way round.

Plan a visit →

Frequently Asked Questions

What size rug do I need for a typical UK living room?

For a standard 4×4.5m British living room with a sofa and two armchairs, a 200×300 cm or 240×340 cm rug is usually the sweet spot — large enough for the front legs of every seat to sit on it, with about 30–45 cm of floor visible around the edge.

Should furniture sit on the rug or off it?

The most balanced look is "front legs on, back legs off" — the rug visually anchors the seating area without dominating the entire floor. Sofa fully on the rug feels heavy unless the room is very large. All furniture off the rug looks like a floating island and dates poorly.

How much floor should be visible around a rug?

Aim for 30–60 cm of bare floor between the edge of the rug and the wall (or skirting). Less than 20 cm looks like fitted carpet; more than 70 cm makes the rug look undersized and isolated.

What size rug for a UK dining table?

The rug should extend at least 60 cm beyond every edge of the table so chairs stay on the rug when pulled out. For a typical 180 cm × 90 cm rectangular six-seater, a 240×300 or 250×350 rug is right.

Are runners practical in British homes?

Yes — runners suit the long, narrow hallways common in Victorian and Edwardian British houses. Aim for 30–45 cm of bare floor at each end and the same on each side. Typical runner sizes are 80×300 cm and 100×400 cm.