MattressNextDay Jasmine Traditionally Sprung King Size Mattress
The Jasmine is a soft hybrid from MattressNextDay, pairing a layer of comfort foam with a traditional open coil spring unit inside a quilted cover.
- Soft feel that cushions hips & shoulders
- Breathable foam holds less heat
- Traditional whole-bed sprung support
£199
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MattressNextDay Jasmine Traditionally Sprung Mattress
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Mattress details
Mattress
MattressNextDay Jasmine Traditionally Sprung Mattress
Size
Firmness
Soft
Construction
Foam
Hybrid
Open Coil Spring
Depth (cm)
24
Layers
3
Layer Details
Quilted Cover
The cover and fillings are stitched together to form a patterned comfort quilt. This gives the sleep surface a gently cushioned, traditional feel from the moment you lie down.
Advanced Comfort Foam
A breathable foam that contours to your body shape, which means tension relief where you sink in most. Being breathable, it should hold onto less heat than denser foams can.
Open Coil Springs
Interlaced coils of high-tensile steel joined together in a lattice. Because the springs move as one connected unit, support is spread across the whole bed rather than responding point by point.
Layer details from mattressnextday.co.uk product page, September 2026.
Key benefits
- More space between you: With 75cm each for two people sharing, you can both roll over without meeting in the middle, which matters on a soft mattress you sink into.
- Extra width softens motion transfer: The Jasmine's interlaced open coils move as one unit, so the 15cm the UK king adds over the UK double puts useful distance between you and a restless partner.
- Length for taller sleepers: At 200cm, the UK king is 10cm longer than the UK double, welcome if either of you is approaching six foot and tired of feet hanging off.
- A big bed on a small budget: King sizes usually carry a premium, so the Jasmine's budget positioning makes this a rare way to get 150cm of width without a serious outlay.
- Room to shift position: The soft comfort foam cushions hips and shoulders, and the extra width means you can prop pillows or change position without crowding whoever you share with.
This size suits you if...
You share the bed every night and a double no longer feels like enough, especially if one of you gets up hours before the other, since the extra width helps offset the movement that open coils pass across the bed. It also suits couples where one partner is tall, because the 200cm length gives 10cm more than the UK double, and anyone who wants a king on a tight budget.
Consider another size if...
Your bedroom is under our suggested 2.7m x 2.9m minimum, or you mostly sleep alone. In either case we'd recommend the UK double instead, which gives 67.5cm each for two sharing and needs a smaller room, at least 2.6m x 2.8m.
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FAQ's
Is the Jasmine mattress in a UK king good for couples?
It's a reasonable budget choice, with a condition attached. The open coil springs are joined in a lattice, so movement carries across the bed more than pocket springs would allow. The UK king's 75cm each for two people sharing gives you more distance from that movement than the UK double does, which helps if your schedules differ.
What room size do I need for the Jasmine in a UK king?
We suggest at least 2.7m x 2.9m so you can walk round both sides and open drawers comfortably. That's our guidance rather than the manufacturer's. If your room is tighter, the UK double needs at least 2.6m x 2.8m and the UK small double at least 2.4m x 2.8m.
Is the UK king Jasmine long enough for tall sleepers?
At 200cm, it's the longest option in the Jasmine range, 10cm longer than the UK single, small double and double, which all run to 190cm. If either of you is approaching six foot, that extra length is arguably a bigger everyday difference than the added width.
Is a UK king Jasmine much bigger than the double?
The UK king is 15cm wider and 10cm longer than the UK double. Per person, that's 75cm each rather than the double's 67.5cm each, so the UK king gives 7.5cm more each. On a soft mattress where you settle into the surface, that extra personal space is genuinely noticeable.
Where can I buy the Jasmine mattress in a UK king?
Availability changes, so the most reliable answer is the live comparison table on this page, which is updated as retailers change their prices and stock. It's a budget mattress, and king is typically the most expensive size in a range, so it's still sensible to compare before ordering.