Sealy Luxury Plush King Size Mattress
Sealy

Sealy Luxury Plush King Size Mattress

The Sealy Luxury Plush is a soft mattress, which means it's built for sleepers who want to sink into the surface rather than lie on top of it.

  • Soft feel that suits side sleepers
  • Tailored layers for cushioned comfort
  • Deep support that adapts to you

£2,146.25

Size: King Size. Available at Mattress Man

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Where can I buy the Sealy Luxury Plush King Size Mattress?

Below are the best prices for the Sealy Luxury Plush Mattress in a King Size. Available from (9) trusted retailers.

Sealy Luxury Plush Mattress

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Prices last checked:
11th November 2026

Mattress dimensions for the Sealy Luxury Plush King Size Mattress

Length: 200cm

Width: 150cm

(5ft x 6ft 6in)

Minimum room size: 2.7m x 2.9m

Mattress details

Mattress Details for the Sealy Luxury Plush King Size Mattress

Mattress

Sealy Luxury Plush Mattress

Size

UK King (5ft x 6ft 6in)

Firmness

Soft

Construction

No items found.

Depth (cm)

Layers

Layer Details

Key benefits

Key Benefits of the Sealy Luxury Plush King Size Mattress

  • Room to sink in side by side: At 75cm each for two people sharing, both of you can settle into the plush surface without ending up in each other's space.
  • 15cm wider than a UK double: That extra width is the difference between shifting position freely at night and negotiating every turn with your partner.
  • 200cm of length for taller sleepers: The UK king is 10cm longer than the UK double, so anyone approaching 6ft gets their feet on the mattress rather than off it.
  • A softer surface with space to spare: Soft mattresses cradle you where you lie, which means the width helps each sleeper keep their own cushioned zone undisturbed.
  • Fits a normal master bedroom: We suggest at least 2.7m x 2.9m, which most UK master bedrooms can manage with wardrobes and bedside tables still in place.

Who should buy the Sealy Luxury Plush King Size Mattress?

This size suits you if...

You share the bed every night and a double has started to feel cramped, especially on a soft surface where you sink in rather than lie on top. It also makes sense if one of you is tall, since the 200cm length covers sleepers a shorter mattress leaves short, or if one of you gets up hours before the other and wants room to move without waking anyone.

Consider another size if...

Your bedroom is smaller than our suggested 2.7m x 2.9m minimum, or you sleep alone. We'd recommend the UK double instead, which needs a room of at least 2.6m x 2.8m.

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FAQ's

Frequently Asked Questions About the UK King

Is the Sealy Luxury Plush UK king big enough for a couple?

Yes, comfortably for most. You get 75cm each for two people sharing, and on a soft mattress like this that width does extra work: each of you settles into your own cushioned area rather than drifting into a shared dip. If one of you is broad-shouldered or you sleep with a dog on the bed, the space fills quickly, but it suits most couples.

Will a UK king Sealy Luxury Plush fit in my bedroom?

The mattress itself is 150 x 200cm, or 5ft x 6ft 6in. We suggest a room of at least 2.7m x 2.9m so you can open wardrobe doors and walk round both sides of the bed. New build masters can be tighter than they look on the plan, so measure with the furniture in place before ordering.

Is the UK king long enough for someone over 6ft?

At 200cm, the UK king is 10cm longer than the UK double, and that length is often the real reason taller sleepers upgrade. Someone around 6ft gets clear space at the foot of the bed, which matters on a soft mattress where you settle into the surface rather than sliding down it.

Should I get the king or super king in the Sealy Luxury Plush?

The UK king is 30cm narrower than the UK super king, and the two are the same length, so the question is purely width. If your room meets the 3m x 2.9m we suggest for the UK super king and you both like to spread out, size up. If space or budget is tighter, the UK king serves most couples well.

Does partner disturbance improve on a king size?

Width helps. With 75cm each, a partner getting up early for a shift can slide out from their own side without crossing yours, and there's simply more distance between you when one of you turns over. Sealy publishes little construction detail for this model, so we can't speak to motion isolation from the materials, but the extra space itself reduces disturbance.