Wentworth Mercer Natural Pocket 1500 Double Mattress
The Wentworth Mercer Natural Pocket 1500 is a medium to firm pocket spring mattress, handcrafted in the UK.
- Minimises partner disturbance
- Cotton wicks away moisture
- Holds its shape without dips
£498
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Wentworth Mercer Natural Pocket 1500 Mattress
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Mattress details
Mattress
Wentworth Mercer Natural Pocket 1500 Mattress
Size
Firmness
Medium Firm
Construction
Pocket Spring
Wool
Natural
Depth (cm)
29
Layers
3
Layer Details
Cotton and Polyester Blend
Two layers blending cotton and polyester fibres, which means cushioned comfort where your body meets the mattress. The cotton wicks away moisture while the polyester increases airflow, helping you stay cooler through the night.
Soft White Fibres
Two layers of soft white fibres that enhance breathability and add durability. In practice, this helps the mattress hold its shape rather than developing dips over time.
Pocket Springs
1500 responsive pocket springs, each sewn into its own fabric pocket before being bonded together, so they can move individually as well as working as a team. This means the springs follow your shape and limit motion transfer from a restless partner.
Layer details from mattressonline.co.uk product page, September 2026.
Key benefits
- Space for two and your furniture: At 135 x 190cm, the UK double leaves room for a wardrobe and a chest of drawers in a first flat or second bedroom, where a UK king would crowd them.
- Springs that keep to their own side: The 1500 pocket springs move individually, which means that with 67.5cm each you are less likely to feel your partner shifting beside you.
- Bedside tables on both sides: We suggest at least 2.6m x 2.8m for a UK double, and a room of around 3m x 3m usually fits a bedside table for each of you.
- A steady choice for the guest room: The medium firm feel suits most visiting couples for a few nights, although lightweight side sleepers may find it slightly firm.
- Bedding is easy to find: Double sheets and a 200 x 200cm double duvet are stocked almost everywhere, so dressing a UK double takes no extra hunting around.
This size suits you if...
You share the bed with a partner in a typical UK bedroom and want a surface where each of you moves without disturbing the other, or you sleep alone and like room to spread out without the bed dominating the room.
Consider another size if...
You are both broad-shouldered or restless sleepers and your bedroom has space to spare. We'd recommend the UK king instead, which gives 75cm each; allow at least 2.7m x 2.9m.
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FAQ's
Is the Natural Pocket 1500 UK double wide enough for two restless sleepers?
The UK double gives 67.5cm each for two people sharing. That is snug for two restless sleepers, but the pocket springs move individually, so movement stays mostly on one side. If you both sprawl, the UK king gives 75cm each.
Will a UK double Wentworth Mercer mattress fit my bedroom with bedside tables?
We suggest at least 2.6m x 2.8m for a UK double. That fits the bed, but a room of around 3m x 3m is the more comfortable norm and usually leaves space for bedside tables on both sides with room to walk round.
How much smaller is the UK double than the UK king Natural Pocket 1500?
The UK double is 15cm narrower and 10cm shorter than the UK king, which works out at 7.5cm less each for two sharing. The UK king needs more floor, though: we suggest at least 2.7m x 2.9m for it.
Is the Natural Pocket 1500 in a UK double long enough if you're tall?
The UK double is 190cm long, the same length as the UK single and UK small double. If your feet already reach the end of a standard bed, the UK king is 10cm longer and may suit you better.
Is a UK double Natural Pocket 1500 good for a guest room?
Yes, for most guests. A UK double sleeps a visiting couple and fits a modest spare room, since we suggest at least 2.6m x 2.8m. The medium firm feel suits most sleepers for a short stay, but lighter side sleepers may find it a little firm.