Wentworth Mercer Pocket Pro 1500 Double Mattress
The Wentworth Mercer Pocket Pro 1500 Mattress has 1500 pocket springs under a wool, cashmere and silk blend, which means firm, responsive support with a soft natural layer on top.
- Firm feel for back sleepers
- Handcrafted in the UK
- Glue-free build, easier to recycle
£555
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Wentworth Mercer Pocket Pro 1500 Mattress
More available sizes
Mattress details
Mattress
Wentworth Mercer Pocket Pro 1500 Mattress
Size
Firmness
Firm
Construction
Pocket Spring
Wool
Depth (cm)
29
Layers
4
Layer Details
Wool, cashmere and silk blend
Two layers of a wool, cashmere and silk blend for plush comfort. They soften the top of a firm mattress a little without changing its rating.
Breathable polyester fibre
Two layers of polyester fibres that create a breathable feel, so the surface should feel less stuffy.
Polyester and cotton blend
Two supportive layers of a polyester and cotton blend, which add comfort and support between the soft top and the springs.
Pocket springs
A core of 1500 pocket springs in cloth pockets. They adapt to your weight and movement, so support comes where you need it.
Layer details from mattressonline.co.uk product page, November 2026.
Key benefits
- Leaves room for furniture: At 135 x 190cm, it still allows a wardrobe and a chest of drawers in a second bedroom or first flat, where we suggest at least 2.6m x 2.8m.
- Firm support on each side: Each of you gets 67.5cm on a firm surface, and the pocket springs respond to each person's weight separately, which means one partner's heavier side doesn't set the feel for both.
- Less of a struggle to flip: Turning a double-sided mattress takes effort in any size, although a UK double is a smaller job than the UK king or UK super king versions.
- Bedding is easy to find: Standard double sheets and a 200 x 200cm double duvet fit, so the bedding already in your airing cupboard will probably do.
- Suits a guest room: Visiting couples get proper shared space on a firm surface, and you can rotate and flip the mattress between stays to spread wear evenly.
This size suits you if...
You and your partner both prefer a firm surface and want to keep space for bedside tables on each side, or you sleep alone and like having room left over when the cat or dog settles into its corner.
Consider another size if...
You both sprawl and 67.5cm each already feels cramped, or one of you is tall. We'd recommend the UK king instead, which is 10cm longer and needs at least 2.7m x 2.9m.
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FAQ's
Is the Wentworth Mercer Pocket Pro 1500 UK double big enough for two people?
For most couples, yes. The UK double gives 67.5cm each, which is fine if you sleep fairly still. The firm surface and individually responding pocket springs help each of you stay supported on your own side. If either of you spreads out or you often wake each other, that space can start to feel tight.
What size bedroom do I need for a Wentworth Mercer Pocket Pro 1500 double?
We suggest at least 2.6m x 2.8m for a UK double, with around 3m x 3m giving a comfortable amount of space. In a smaller room, measure where your bedside tables and wardrobe doors will sit before you choose a bed frame, because the frame adds to the 135 x 190cm footprint.
Wentworth Mercer Pocket Pro 1500 double or king: which should couples choose?
The UK double is 15cm narrower and 10cm shorter than the UK king, giving 7.5cm less each when two people share. Choose the UK king if your room meets our suggested minimum of 2.7m x 2.9m and you want more personal space. Otherwise the UK double keeps the room usable.
What bedding fits a UK double Pocket Pro 1500?
Standard double sheets and a 200 x 200cm double duvet fit the 135 x 190cm surface. The mattress is 29cm deep, so check that a fitted sheet's pocket depth suits it before buying. Double bedding is widely available at every budget, which helps if you're furnishing a whole home at once.
Can one person flip the Wentworth Mercer Pocket Pro 1500 in a double?
Flipping this mattress takes some effort, especially in the larger sizes, so the UK double is easier to manage than the UK king or UK super king. Even so, it's a good deal simpler with two people, one at each end, particularly in a bedroom with little space around the bed.