A standard double bed in the UK is 135cm wide by 190cm long, sometimes described as 4ft 6in by 6ft 3in. It is the most commonly bought size in the country and gives two sleepers 67.5cm each, roughly three quarters of the width of a single bed apiece.
Two other sizes are often confused with it. A small double, sometimes called a three quarter bed, is 120cm wide. A US full or double is 137cm by 191cm, close enough to cause bedding problems if you buy from an American retailer. Always check the centimetre figures rather than the name.
The 135cm double became standard because it fits the rooms most UK housing provides. It sits comfortably in a bedroom of around 2.7m by 3m with access on both sides, which describes a large proportion of second bedrooms and many main bedrooms in older terraced and semi detached homes.
Availability follows from that. Double bedding is the cheapest and most widely stocked size, mattresses are made in every construction and price bracket, and frames exist in every style. If you want choice, the double gives you more of it than any other size.
The 190cm length is the part worth scrutinising. It is 10cm shorter than a king or super king, which makes a double genuinely tight for anyone approaching 6ft. Feet reaching the end of the mattress pull the duvet away from the shoulders, and that discomfort is often mistaken for a firmness problem.
A double frame typically occupies between 139cm and 155cm of floor width depending on construction. Slim metal frames add least, upholstered frames with padded side rails add most, and wooden frames sit in between.
For comfortable movement, allow 60cm of clear floor on each side, dropping to 45cm where space is tight. With a 145cm frame, that means 265cm of wall to wall width for easy access, or around 235cm at the minimum. Depth of about 250cm covers the headboard and space to walk at the foot.
Where a room is narrower than that, placing the bed against one wall is the usual solution, though it only really works for a single sleeper or a child. For two adults, climbing over one another every night becomes tiresome quickly, and a small double at 120cm placed centrally is often the better compromise.
Divan bases give a clean, upholstered look and often include drawers, which is useful in a room with limited wardrobe space. They are heavy and arrive in two halves, so measure your access route. The base usually matches the mattress footprint closely, which helps in a tight room.
Wooden frames with slatted bases are lighter, easier to move and generally cheaper to deliver. Slat spacing matters: gaps wider than about 7cm can let a foam mattress sag over time. Our modern double wooden beds UK sale range lists slat details alongside dimensions.
Upholstered fabric frames add softness and a padded headboard that is comfortable to lean against. They take up more floor width than other constructions, so check the external frame measurement rather than the mattress size. Modern double fabric beds UK sale designs suit rooms where the bed is the main feature.
Storage frames deserve consideration in smaller rooms. Ottoman bases lift to reveal the full footprint beneath, which holds far more than drawers and is easier to reach. The trade off is needing clearance above the bed to lift the base, and a bit of strength to do it.
UK double duvets are typically 200cm by 200cm, and double fitted sheets are made to 135cm by 190cm with a stated depth. That depth figure is where most problems arise: a 25cm sheet on a 30cm mattress will not stay in place, and a topper makes it worse.
Measure your mattress depth and choose a fitted sheet at least 5cm deeper. Add the topper depth if you use one. Deep fill sheets of 32cm or more cover most combinations without guesswork.
Pillowcases in the UK are standard at 50cm by 75cm, and two sit neatly across a 135cm bed. Some people prefer king size pillows at 50cm by 90cm on a double, which fills the width more fully but leaves the pillows slightly overhanging the mattress edge.
A double leaves more room for storage than a king does, which is its practical advantage. In a 2.7m by 3m bedroom, a double plus a wardrobe plus a chest of drawers is achievable, where a king would force you to choose.
Bedside cabinets in the 40cm to 45cm range work well either side of a double without crowding the walkways. If only one side has usable clearance, a single cabinet plus a wall shelf on the other keeps things balanced. Our modern bedside cabinets UK selection covers slim and standard widths.
For storage, a four drawer chest of around 80cm wide holds a useful amount without dominating a wall. Taller narrower designs work where floor space is tighter. A modern chest of drawers UK sale option in a tallboy format is often the better fit in a smaller double bedroom.
Guest rooms have slightly different priorities. A double is the size most guests expect, and adding a bedroom chair gives somewhere to put a suitcase. Where the room doubles as a study, a compact desk against the window keeps the bed as the room’s focus.
Because a double gives each of two sleepers about 68cm of width, the way the bed is set up has a noticeable effect on comfort. A pocket sprung mattress is the single most useful upgrade, since independent springs limit the movement that transfers across a narrow surface when one person turns over.
Pillow size matters more than it does on a wider bed. Two standard UK pillows measure 75cm each, which is wider than the mattress can accommodate side by side without overlap. Slightly smaller pillows, or ones with less loft, stop the overlap pushing sleepers towards the edges.
Duvet choice is worth a second look as well. A double duvet at 200cm by 200cm gives generous overhang on a 135cm mattress, which is why bedding often ends up dragged to one side. Where two people pull in opposite directions, separate single duvets solve the problem completely and remove the usual cause of night waking.
Storage under the bed is easier to justify at this size than in bigger formats, because a double has less footprint to spare in the rest of the room. Drawer divans and ottoman lifts both work, though a drawer needs pull out clearance at the side while an ottoman needs headroom above the foot of the bed.
Choose a small double at 120cm when the room cannot take 135cm with sensible clearance, or when the bed is mainly for one person who wants more space than a single. Bedding is less widely stocked than double but still readily available.
Stay with a standard double when the room is between roughly 2.4m and 2.8m wide, when you need floor space for storage, or when the bed is for occasional guests. It is the most flexible size and the easiest to furnish around.
Move to a king at 150cm when the room is 2.8m or wider, when two adults share every night, or when either of you is over 6ft and needs the extra 10cm of length. The step up in comfort is real, but only if the room can take it without losing storage.
You can compare every size in our modern beds UK sale range, and shop modern furniture UK for the rest of the room at Furniture in Fashion. Free delivery is available to most UK mainland postcodes.
135cm wide by 190cm long, or 4ft 6in by 6ft 3in. The frame will be wider than the mattress, typically bringing the total floor width to between 139cm and 155cm.
No. A small double, also called a three quarter bed, is 120cm wide rather than 135cm. It is 15cm narrower and needs its own bedding size, which is stocked less widely than standard double.
Yes, with 67.5cm each. The more common complaint is length rather than width, since 190cm is short for anyone approaching 6ft and the duvet pulls away from the shoulders when feet reach the end.
Around 265cm of wall to wall width allows comfortable access on both sides, and roughly 235cm works with reduced clearance. Allow about 250cm of depth for the headboard and space at the foot.
Not properly. A US full is 137cm by 191cm, slightly larger than a UK double, so fitted sheets will be loose and duvet covers will not sit correctly. Check centimetre measurements when buying internationally.
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