Sealy Ashton Super King Mattress
The Sealy Ashton is a medium-feel hybrid that pairs pocket springs with Geltex, a breathable comfort material designed to relieve pressure without trapping heat.
- Breathable Geltex keeps you cooler
- Plush pillow top cushioning
- Minimises partner disturbance
£1,349
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Sealy Ashton Mattress
More available sizes
Mattress details
Mattress
Sealy Ashton Mattress
Size
Firmness
Medium
Construction
Pocket Spring
Hybrid
Gel
Depth (cm)
32
Layers
3
Layer Details
Pillowtop
A sumptuous pillowtop layer sewn onto the surface, which means the first thing you feel is soft cushioning rather than the springs. It gives the mattress its plush, welcoming character.
Geltex
Geltex is a breathable comfort material that offers personalised pressure relief, which means it moulds to your shape without the warm, sunken feel some foams create. Airflow through this layer helps keep the sleep surface cooler.
Pocket springs
Body-responsive pocket springs provide gentle support and reduce movement transfer between partners. Furniture Village specifies 1,000 springs in the king size, though counts for other sizes aren't stated.
Layer details from furniturevillage.co.uk product page, September 2026.
Key benefits
- 90cm each for two sharing: Each of you gets 90cm of width, so a partner who turns all night stays comfortably out of your half.
- Space absorbs restlessness before the springs do: The pocket springs reduce movement transfer, but at this width distance does most of the work, which is why restless couples often find sizing up beats any comfort layer.
- Room for the whole household: If children wander in during the night, or a large dog treats the bed as its own, this size keeps everyone from being pushed to the edge.
- 30cm wider than the UK king: You gain 30cm of width over the UK king with no extra length, so the upgrade takes floor space from the sides only.
- Cooler sharing at scale: Geltex is an open-structure comfort layer that lets air move through, and with more surface between you, two warm sleepers share less body heat.
- A 32cm plush surface across the full width: The pillowtop's soft, cushioned feel runs edge to edge, so whoever ends up on the outside third still gets the same welcome.
This size suits you if...
You share the bed every night and want the most space a standard UK size offers, your children or pets regularly join you and a UK king feels crowded, or one of you is a genuinely restless sleeper and you've decided distance matters more than any mattress feature. You'll need the room for it: we suggest at least 3m x 2.9m, with around 3.5m x 3.2m feeling comfortable.
Consider another size if...
Your bedroom is under our suggested 3m x 2.9m minimum, or you'd struggle to walk round the bed with furniture in place. We'd recommend the UK king instead: it's 30cm narrower, the same length, and needs at least 2.7m x 2.9m.
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FAQ's
How big is the Sealy Ashton super king mattress?
It measures 180 x 200cm, which is 6ft x 6ft 6in. That gives two people sharing 90cm of width each, and at 32cm deep with a pillowtop finish it's a substantial mattress in every direction, so check your bed frame is rated for a super king before ordering.
Will the Sealy Ashton super king fit in my bedroom?
We suggest a room of at least 3m x 2.9m, with around 3.5m x 3.2m feeling right once you add bedside tables on both sides. Measure your door swing and any landing turns too: a 180cm-wide mattress is the point where staircases start to bite, particularly in older properties.
Is the Sealy Ashton super king a good choice for restless partners?
It's one of the better setups for the problem. The pocket springs respond to each body individually, which limits movement transfer, and with 90cm of width each a fidgeting partner is simply further away. Across shared beds, that extra distance tends to matter more than any comfort layer.
Should I get the Sealy Ashton in a king or super king?
The UK super king is 30cm wider than the UK king, and both are the same length. If children or pets join you at night, or one of you sleeps restlessly, the extra width is the whole point. In a room under our suggested 3m x 2.9m minimum, the UK king is the sensible pick.
Where can I buy the Sealy Ashton in a super king?
Availability shifts, so the most reliable answer is the live price table on this page, which is updated as retailers change their listings. Compare the retailers shown here rather than assuming every stockist of the Sealy Ashton carries the UK super king, as size ranges can differ between them.