Free UK delivery•Pay later with Klarna or Clearpay•12-month warranty on every order•Free UK delivery•Pay later with Klarna or Clearpay•12-month warranty on every order•
Asreen Beds Buying Guide Team · Last updated 2026-07-16
Measure your room and compare against these standard UK bed dimensions before you order.
| UK Size | Mattress (W × L) | Frame Width | Frame Length | Best For |
|---|---|---|---|---|
| Single | 90 × 190 cm | 95–105 cm | 200–210 cm | One person, children, guest rooms, compact spaces |
| Small Double | 120 × 190 cm | 125–135 cm | 200–210 cm | One adult wanting extra room, or smaller bedrooms |
| Double | 135 × 190 cm | 140–150 cm | 200–210 cm | Couples in standard UK bedrooms |
| King | 150 × 200 cm | 155–165 cm | 210–220 cm | Couples wanting more width and extra length |
| Super King | 180 × 200 cm | 185–195 cm | 210–220 cm | Large bedrooms, luxury comfort, maximum space |
Sleep alone: a Single offers compactness; a Small Double provides movement space without dominating smaller rooms.
Couples: a Double suits smaller rooms; a King is the preferred everyday comfort upgrade.
Extra space seekers: King and Super King deliver spacious sleep areas ideal for premium comfort.
Measure doorways, hallways, stairs, landings, lifts and bedroom routes before ordering a larger bed. See our Delivery Information page for details.
