Feather & Black Harewood Small Double Mattress
The Feather & Black Harewood is a firm tension pocket sprung mattress, available in five UK sizes from Single to Super King.
- Firm, with less partner disturbance
- Breathable antibacterial cover
- 100-night trial
£489
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Feather & Black Harewood Mattress
More available sizes
Mattress details
Mattress
Feather & Black Harewood Mattress
Size
Firmness
Firm
Construction
Pocket Spring
Depth (cm)
21
Layers
3
Layer Details
Cover
A sumptuously soft natural cover designed for enhanced breathability, which means heat can escape rather than build up around you. It also carries an antibacterial finish.
Comfort layers
Deep polyester comfort layers sit beneath the cover. These provide the cushioning you feel first, softening the firm springs slightly at the surface.
Springs
The support core uses individually wrapped pocket springs, 800 of them in the king size. Each spring moves independently, which means less disturbance when a partner turns over.
Layer details from featherandblack.com product page, September 2026.
Key benefits
- Real width for one sleeper: At 120cm across, the UK small double is 30cm wider than the UK single, which means a solo adult can starfish without an elbow overhanging the edge.
- Fits where a double won't: It's 15cm narrower than the UK double, often the difference between a door that clears the bed frame and one that doesn't in a box room or studio.
- Firm support at this width: The firm tension pocket springs give solid, even support across the full 120cm, so a solo sleeper can use every inch rather than settling into a dip.
- Low profile suits smaller rooms: At 21cm deep, the Harewood keeps a small double bed visually modest, which helps in a loft conversion or compact bedroom where a chunky build looms.
- Copes with occasional guests: Individually wrapped springs limit motion transfer, so when a visiting couple share this 4ft width for a weekend, one person turning disturbs the other less.
- Standard 4ft bedding: Small double fitted sheets are easy to find in the UK, and the shallow 21cm depth means standard-depth sheets tuck in properly rather than straining.
This size suits you if...
You sleep alone and have outgrown a UK single but your room can't spare the floor space a full double demands, you're furnishing a guest room or holiday let where couples stay occasionally rather than nightly, or you're downsizing and the bed has to fit the new bedroom rather than the old one.
Consider another size if...
You share the bed every night, as 120cm is a squeeze for two adults long term. We'd recommend the UK double instead, which is 15cm wider and the same length; allow at least 2.6m x 2.8m of room for it.
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FAQ's
Is a small double Harewood big enough for two people every night?
For occasional stays, yes: the pocket springs limit disturbance when one person turns, and a firm tension holds up well with two sleepers on it. Nightly, 120cm is tight for two adults, and the firmness leaves little give at the edges. Regular couples would be happier on the UK double, which is 15cm wider.
What room size do I need for the Harewood in a UK small double?
We suggest at least 2.4m x 2.8m. That leaves walking space alongside the 120 x 190cm mattress and room for a small chest or bedside table. In a box room or studio, measure the door swing too, since the 4ft width is often what decides whether the door still clears.
How much wider is a small double than a single?
The UK small double is 30cm wider than the UK single, and the two are the same length at 190cm. On the Harewood, that extra width matters because the firm springs support you evenly right across the surface, so a teenager or solo adult genuinely gains usable sleeping space, without the room losing much floor.
Will the Harewood small double suit a guest room or holiday let?
It's a strong fit. The 120cm width copes with a visiting couple for a few nights, the firm tension suits guests of unknown preferences better than something very soft, and the antibacterial cover finish is reassuring where different people sleep. Standard 4ft frames and bedding keep replacements simple for a let.
Does the 21cm depth matter more in the small double size?
The depth is the same across every size, but it works in the small double's favour. A shallower mattress keeps the bed from dominating a compact room or a loft conversion with limited head height, and standard small double fitted sheets fit without stretching. On a tall frame it can look slightly slimline.