Dunlopillo Sovereign Latex Mattress
Mattress
Dunlopillo Sovereign Latex Mattress
Size
Firmness
Construction
Depth (cm)
22
Layers
3
Layer Details
- Dunlopillo® Plus Sleep Surface. A cooling fabric designed to stay around 1°C below your body temperature. In practice, that means the surface feels fresh when you get in rather than warming up quickly.
- Natural Talalay Latex. A deep layer of natural Talalay latex that gently contours to your body. You'll feel adaptive comfort and pressure relief without sinking in the way you would on memory foam.
- VENTRA™ Core Performance System. An aerated foam core engineered to boost airflow and breathability. It helps the mattress stay cool year round rather than trapping heat beneath you.
Layer details from mattressnextday.co.uk product page, September 2026.
- Proper space for two: At 75cm each for two people sharing, you can both change position without negotiating for territory in the small hours.
- Less partner disturbance: Talalay latex is responsive rather than slow-moving, which means one of you getting up at 5am ripples through the mattress far less than you'd expect.
- Length for taller sleepers: The UK king is 10cm longer than the UK double, a genuine relief if one of you is approaching six foot and used to feet hanging off the end.
- Cool across the full width: The cooling sleep surface is designed to sit around 1°C below body temperature, so neither side of the bed becomes the warm side.
- A long-term size choice: With a 15-year manufacturer's guarantee, this is a size you buy once and settle into, rather than a stopgap before the next upgrade.
This size suits you if...
You share the bed every night and the UK double has started to feel like a compromise, especially if you and your partner keep different hours and the early riser regularly wakes the other. It also suits couples where one of you is tall enough to appreciate the extra 10cm of length, or where a dog has quietly become a permanent third occupant.
Consider another size if...
Your bedroom is smaller than the 2.7m x 2.9m we suggest for a UK king, or you sleep alone. In either case we'd recommend the UK double instead, which needs at least 2.6m x 2.8m.
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How big is the Dunlopillo Sovereign in a UK king?
The UK king measures 150 x 200cm, or 5ft x 6ft 6in in imperial. For a couple, that works out at 75cm each for two people sharing, which is where most people stop feeling like they're sleeping on a boundary line.
Is a UK king Dunlopillo Sovereign good for couples on different schedules?
It's a strong pairing. The 75cm each of width means you're rarely in contact, and Talalay latex responds quickly rather than transferring slow waves of movement, so an early alarm on one side is less likely to wake the other. It won't isolate motion completely, but it's noticeably calmer than a shared double.
Will a UK king fit in my bedroom?
We suggest allowing at least 2.7m x 2.9m for a UK king, which leaves room to walk round the bed and open drawers. Measure with wardrobes and radiators in mind, as newer master bedrooms often look bigger on the plan than they feel once furniture is in.
Should I get the Dunlopillo Sovereign in a UK king or a UK super king?
The UK king is 30cm narrower than the UK super king, and the two are the same length, so sizing up buys width only. For the UK super king we suggest a room of at least 3m x 2.9m. If your room comfortably clears that and you both spread out, size up; otherwise the UK king is the easier fit.
Is the UK king long enough for a tall sleeper?
At 200cm, the UK king is 10cm longer than the UK double, and for anyone around the six foot mark that extra length is often the change you notice most. If height is your main frustration with your current bed, this size solves it without demanding the floor space a UK super king does.