UK Super King Mattresses

The UK super king (180 x 200cm) is as much bed as most rooms can hold: a full 6ft of width for two people to sleep completely undisturbed.

Why choose a super king?

  • At 30cm wider than a king, it's the largest size UK retailers stock as standard.
  • With 90cm each, a restless partner becomes much easier to ignore.
  • It's the practical choice when children or pets find their way in.
  • Its 180cm width matches two 90cm singles side by side, the footprint hotel-style zip-and-link beds are built on.

Allow at least 3m x 2.9m, with around 3.5m x 3.2m feeling right; super king sheets and a 260 x 220cm duvet fit.

All UK Super King mattresses

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Emma Original Mattress

Hybrid, Medium Firm, 25cm, 200-night trial
Size: King size
Mattress Next Day
£599
£423
Mattress Online
£599
£453
Mattress Man
£559
+ 1 more retailer
Currently out of stock at all retailers
£216 cheaper than Emma direct
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

Why choose a super king?

  • At 30cm wider than a king, it's the largest size UK retailers stock as standard.
  • With 90cm each, a restless partner becomes much easier to ignore.
  • It's the practical choice when children or pets find their way in.
  • Its 180cm width matches two 90cm singles side by side, the footprint hotel-style zip-and-link beds are built on.

Allow at least 3m x 2.9m, with around 3.5m x 3.2m feeling right; super king sheets and a 260 x 220cm duvet fit.

How big is a super king mattress?

180 x 200cm, or 6ft wide by 6ft 6in long.

What size room do I need for a super king?

As a minimum allow about 3m x 2.9m of floor space. A room approaching 3.5m x 3.2m or more feels right.

Is a super king the same as two singles?

In width, yes: 180cm equals two 90cm singles side by side, which is why zip-and-link beds come in this size. Standard UK singles are 10cm shorter, at 190cm.

What bedding fits a super king?

Super king fitted sheets and a super king duvet (260 x 220cm).

Will a super king fit up my stairs?

Most bed-in-a-box brands deliver a super king rolled and compressed, which usually solves the access problem. Traditional mattresses in this size are heavy and rigid, so measure stairwells and door turns before ordering.