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If you've ever moved between the UK and continental Europe, brought back a mattress-related habit from a hotel abroad, or simply seen "king size" mean two different things on two different websites, you've run into the UK vs European sizing gap. The difference is small on paper but genuinely affects both fit and bedding compatibility. Here's what actually changes.

The Core Difference: Length

European mattresses are generally 10cm longer than their UK equivalents, built to a 200cm standard length across most sizes rather than the UK's 190cm. That extra 10cm doesn't sound dramatic, but for taller sleepers in particular, it's often the difference between feet resting comfortably on the mattress and hanging slightly off the end.

Size by Size Comparison

• Single: UK 90cm x 190cm vs EU 90cm x 200cm — same width, 10cm longer in Europe.
• Double: UK 135cm x 190cm vs EU 140cm x 200cm — both wider and longer in the European version.
• King: UK 150cm x 200cm vs EU 160cm x 200cm — the UK king already matches the European length, but the European version is 10cm wider.
• Largest size: the EU grand king (180cm x 200cm) and UK super king (180cm x 200cm) are actually identical in size, so bedding made for one fits the other.

Our UK bed sizes guide has the complete UK breakdown in cm, inches and feet if you want the full reference alongside this comparison.

Why the Width Difference Matters for King Size

The 10cm width gap between a UK king (150cm) and European king (160cm) matters more than it seems for interior planning, since it affects everything from headboard compatibility to how much floor space needs to be allowed either side of the bed for bedside furniture. A headboard built to UK king dimensions will leave the mattress edges exposed on a European king frame, and vice versa — so it's worth checking dimensions match exactly rather than assuming "king" means the same thing everywhere.

What This Means for Bedding

Fitted sheets, duvet covers and mattress protectors are cut to match specific dimensions, so a UK king duvet won't drape correctly on a European king mattress, and the reverse is also true. If you have a European mattress or bed frame — perhaps bought before moving to the UK, or a European-style frame purchased more recently — it's worth double-checking bedding is sized to match rather than assuming standard UK bedding will fit.

Which Should You Choose?

If you're furnishing a UK home and buying UK bedding, sheets, and a UK-made bed frame, UK standard sizing is the simpler, more compatible choice — everything from mattress protectors to fitted sheets is widely available in these exact dimensions. All of our beds and mattresses are made to UK standard sizes, so pairing them with UK-standard bedding and accessories is straightforward without needing to hunt for European-specific alternatives. Our how to measure your bedroom guide covers UK sizing against room dimensions if you're planning a new bed purchase.

Shop UK Standard Sizes at Bed Innovation

Royal Panel Bed Frame
Built to UK king and super king dimensions, compatible with standard UK bedding.

Savoy 2000 Pocket Sprung Natural Latex Mattress
Made to UK standard sizes across the full size range.

Browse the complete range in our mattresses collection and trending beds collection.

Frequently Asked Questions

Are European beds bigger than UK beds?

Generally yes — European sizes are typically 10cm longer, and doubles and kings are also wider than their UK equivalents.

Is a UK super king the same as a European king?

No — a UK super king (180cm x 200cm) matches the EU grand king exactly, but is larger than the standard EU king (160cm x 200cm).

Will European bedding fit a UK bed?

Not reliably — the dimensions differ enough that fitted sheets and duvet covers sized for one won't fit the other properly, except at the UK super king / EU grand king size, which match.

Why do European mattresses tend to be longer?

European sizing standards were established separately from UK conventions, generally favouring a 200cm length across most sizes rather than the UK's mixed 190cm/200cm approach.

Should I buy a European mattress if I'm tall?

The extra 10cm length can genuinely help taller sleepers, but it's worth weighing this against the practicality of sourcing UK-compatible bedding and frames long-term, since UK king (200cm long) already matches European length for that size.

Final Thoughts

The gap between UK and European sizing is small on a spec sheet but genuinely affects fit, headboard compatibility and bedding availability. For a UK home, sticking with UK standard sizing keeps everything simpler to source and match. If you're not sure which UK size suits your room, our team at the Dewsbury showroom is happy to help you work it out.