UK Mattress Sizes & Room Fit: Measure Once, Sleep Better
In this guide from The Sleep Shop, we keep it simple and practical so you can shop with confidence.
UK sizes at a glance
- Single — 90 × 190cm
- Small Double — 120 × 190cm
- Double — 135 × 190cm
- King — 150 × 200cm
- Super King — 180 × 200cm
Measure your room & doorway
Leave walking space around the bed and confirm stair/door widths for delivery.
Depth & bedding fit
Check sheet and protector depth against mattress height (e.g., 23–30cm+, extra-deep sheets for taller builds).
FAQs
Is EU King the same as UK King?
No. EU sizes differ slightly. Always check dimensions on the product page.
What’s the best size for couples?
If space allows, a King (150 × 200) provides noticeable extra width over a Double.