Sealy Decadence Mattress
Mattress
Sealy Decadence Mattress
Size
Firmness
Firm
Construction
Depth (cm)
Layers
Layer Details
- Fits compact rooms: At 90cm wide it needs only around 2.1m x 2.8m of floor space by our guidance, so it works in box rooms and lofts with a narrow footprint.
- Firm support for solo adults: The firm feel keeps you on top of the surface rather than sinking in, which suits back and front sleepers who want a solid, level base.
- A sensible guest room choice: Two UK singles plus a walkway will fit where one larger bed would dominate, and a firm surface tends to please the widest range of occasional guests.
- Cheap, easy bedding: Standard single sheets and a 135 x 200cm single duvet fit, and both are the most widely stocked and affordable bedding of any UK size.
- Full-length sleeping space: The UK single is the same 190cm length as the UK double, so a taller solo sleeper gives up width here, never legroom.
This size suits you if...
You sleep alone, prefer a firm and supportive feel, and your room is on the smaller side, perhaps a loft conversion or a first flat where every centimetre of floor matters. It also fits if you're furnishing a guest room or a spare room that doubles as an office, and you want a bed that takes up as little space as possible without shortening the sleeping surface.
Consider another size if...
You share the bed, or you're a restless solo sleeper who wants room to spread out. We'd recommend the Sealy Decadence in a UK double instead, which is 45cm wider and the same length; allow at least 2.6m x 2.8m of floor space for it.
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Is the Sealy Decadence UK single a good choice for a child's room?
Size-wise, yes: the UK single is the standard children's bed size, and at 90 x 190cm it leaves floor space free for a desk, wardrobe and toy storage. The feel is a bigger question. The Decadence is firm, which suits some children well, but a lightweight side sleeper may find it presses into the shoulder and hip.
Will the Sealy Decadence single fit a bunk or mid sleeper frame?
The width matches: UK bunk and mid sleeper frames are built around the 90 x 190cm single. Depth is the thing to check, because raised frames often set a maximum mattress height for the guard rail to work safely. Sealy doesn't publish full construction details for the Decadence, so confirm its depth with the retailer before ordering.
How much floor space does a UK single mattress need?
We suggest allowing at least 2.1m x 2.8m for a UK single, which gives you room to walk alongside the bed and open drawers or a wardrobe. That makes it the easiest size to place: it fits under loft slopes, in box rooms and in spare rooms where a desk shares the space.
Can two Sealy Decadence singles go in one guest room?
Usually, yes. Two UK singles are 180cm of combined width, plus whatever gap you leave between them, so a room that could take a larger bed with space either side will generally take two singles with a walkway. It's a flexible setup for guests who may arrive as a couple one visit and as friends the next.
Is the UK single Decadence long enough for a tall adult?
The UK single is 190cm long, the same as the UK small double and UK double. If you're approaching that height, your feet will reach the end of the mattress; the UK king is 10cm longer at 200cm, so sizing up buys you legroom as well as width. For most adults, though, 190cm is comfortable.