Sealy Advantage Emerald Latex Small Double Mattress
The Sealy Advantage Emerald Latex is a latex mattress from Sealy, one of the more established names in the market.
- Springy latex, easy to move on
- Known for its durability
- Sizes to fit most bed frames
£569
Get the lowest price we've found
Save with the previous model
Some retailers still sell the earlier version of this mattress for less than the current model's best price.
Sealy Advantage Emerald Latex Mattress
More available sizes
Mattress details
Mattress
Sealy Advantage Emerald Latex Mattress
Size
Firmness
Construction
Latex
Depth (cm)
Layers
Layer Details
Key benefits
- Real width for one: The UK small double is 30cm wider than the UK single, which means a solo adult can stretch out without moving to a bigger room.
- Fits compact rooms: It is 15cm narrower than the UK double, so it suits box rooms, studio flats and loft conversions where every centimetre counts.
- Latex suits a narrower bed: Latex springs back quickly as you move, which means turning over on a 4ft width feels easier than on slower, sink-in foams.
- Standard 4ft sizing: The small double is an established UK size, so frames and 4ft fitted sheets are straightforward to find.
- Works for occasional sharing: Two people can share for a weekend stay, making it a sensible pick for a guest room that hosts couples now and then.
This size suits you if...
You sleep alone and have outgrown a UK single, perhaps a teenager whose room can't spare the floor space a bigger bed would take, or you're furnishing a small second bedroom, holiday let or loft conversion where a standard double would leave no walking room. It also fits if guests share the bed occasionally rather than every night.
Consider another size if...
You share the bed every night, since 120cm across two adults is a squeeze long term. If your room allows at least 2.6m x 2.8m, we'd recommend the UK double of this mattress instead.
Similar Mattresses in This Price Range
Did you know? On Mattress Unboxed we have over 1,000 different mattresses to suit all types of sleepers. View all mattresses.
FAQ's
What are the dimensions of the Sealy Advantage Emerald in a small double?
The UK small double measures 120 x 190cm, which is 4ft x 6ft 3in. It shares its length with the UK single and UK double; only the width differs between those three sizes.
Will a small double Sealy Advantage Emerald fit in a box room?
Usually, yes. We suggest a room of at least 2.4m x 2.8m so you can still open the door and walk around the bed. Measure your usable floor space, including where the door swings, before ordering, especially in a loft conversion where sloping ceilings reduce where a bed can sit.
Is the small double big enough for a couple?
For the odd night, yes, which makes it a reasonable guest room choice. For nightly sharing, 120cm across two adults is tight, and the quick, springy response of latex won't compensate for the missing width. Couples sleeping together every night are better served by the UK double or UK king.
How much smaller is the small double than a double?
The UK small double is 15cm narrower than the UK double, and the two are the same length. That 15cm is often the difference between a bedroom that works and one where you're squeezing past the bed frame, which is why the small double exists at all.
What bedding fits the small double Sealy Advantage Emerald?
You'll need small double, or 4ft, fitted sheets, which are a standard UK size and easy to find. A regular double duvet pairs well with it, giving a comfortable overhang on each side for one sleeper or occasional guests.