What Is the Length of a Double Bed?

The Answer in One Line

A UK double bed is 190cm long, which is 6ft 3in. The width is 135cm, or 4ft 6in. Length is the measurement most people get wrong, because they assume all beds are the same length and only differ in width. They are not: British doubles, small doubles and singles are all 190cm long, while kings and super kings step up to 200cm.

That 10cm difference at king level is the single most useful fact in British bed sizing, and it explains why some tall people find a king more comfortable even when they do not need extra width.

Frame Length Versus Mattress Length

The 190cm figure describes the mattress, not the bed. A double bed frame is always longer, because headboards, footboards and structural rails add material at each end.

A frame with a plain headboard and no footboard usually measures around 195cm to 200cm overall. Add a footboard and you are looking at 200cm to 210cm. Upholstered frames with deep padded headboards can reach 215cm, because the padding alone might add 10cm to 12cm at the head end.

This matters in rooms with a fixed alcove, a chimney breast recess or a window position that dictates where the bed can sit. Always work from the external frame dimensions on the product specification, not from the mattress size. If a listing only gives the mattress size, the frame will be longer and you need the actual figure before committing.

Is 190cm Long Enough?

For anyone up to around 180cm tall, 190cm is comfortable. There is roughly 10cm of margin, which allows feet to relax without pressing against the end of the mattress or against a footboard.

Above 185cm, the margin disappears. A person of 190cm on a 190cm mattress has no room at all, and in practice they end up sleeping slightly diagonally or with their feet over the end. This is where the king at 200cm becomes the practical choice, even for someone sleeping alone who does not need 150cm of width.

Footboards make it worse. A tall sleeper on a bed with a solid footboard will feel the restriction far sooner than the same person on an open ended frame. If length is marginal, choosing a frame without a footboard buys back useful comfort.

Mattress depth interacts with this too. A very deep mattress sits proud of the frame at the foot, which can slightly increase the usable length if there is no footboard, or make a footboard feel lower and less intrusive.

All UK Bed Lengths Compared

Single: 90cm by 190cm. Small double: 120cm by 190cm. Double: 135cm by 190cm. King: 150cm by 200cm. Super king: 180cm by 200cm.

So three of the five British sizes share the same 190cm length. If you need more than 190cm, the only standard route is to move up to king or super king width, which is not always what a small room can accommodate.

European sizes offer an alternative. Continental beds commonly come in 140cm by 200cm, which gives 200cm of length at a width only 5cm greater than a UK double. That is a useful option for tall sleepers in narrow rooms, though British bedding will not fit a continental mattress properly and you will need to buy bedding sized to match.

Planning the Room Around a Double

Take the room length wall to wall, then subtract the frame length. What remains is your circulation space. Around 60cm at the foot of the bed is enough to walk past comfortably. Less than 45cm becomes a sideways shuffle.

In a bedroom 3m long, a 200cm frame leaves 100cm, which is generous and could hold a bench or a slim chest. In a bedroom 2.5m long, the same frame leaves 50cm, which is passable but tight, and a footboard would make it worse.

Radiators and window sills are the usual complications. A radiator behind the head of the bed is not a problem for measurement but it does mean heat is partly blocked by the headboard. A low window sill can prevent a tall headboard sitting flush against the wall, which adds unexpected centimetres to the overall length.

Door swing is worth checking last. Open every door in the room and mark the arc. A bed placed within that arc will be caught, and moving it 10cm often solves the problem entirely.

Choosing the Right Double Frame

Once the length is settled, the frame style decides how the bed sits in the room. Low platform frames with visible legs read light and suit smaller bedrooms, because the floor stays visible underneath. Divan bases read heavier but hold storage drawers.

Upholstered frames add softness and absorb sound, which suits rooms with hard floors. They do add length at the head end, so check the external dimensions. Our double fabric beds UK sale range lists overall frame sizes alongside the mattress size, which makes the comparison straightforward.

Timber frames tend to be more compact overall, because a timber headboard is thin compared with a padded one. If length is your constraint, a timber frame usually buys you 5cm to 10cm over an equivalent upholstered design. The modern wooden beds UK sale selection covers slatted, panelled and solid headboard styles.

Bedding Sized for 190cm

A UK double duvet measures around 200cm by 200cm. The 200cm length gives 10cm of overhang beyond the mattress, which is what stops the duvet being pulled short in the night. Fitted sheets are cut to 135cm by 190cm plus a pocket depth, and the pocket depth is worth checking against your mattress: a 30cm deep mattress needs a deeper fitted sheet than a 20cm one.

If you find a double duvet too short at the foot, a king duvet on a double bed is a common solution. The extra overhang solves the problem, though the sides will hang lower and a valance may look untidy underneath. Many people accept that trade willingly.

What Fits Around It

With the bed length fixed, the remaining floor at the foot decides what else the room can hold. A bench or blanket box at the foot works when there is 60cm or more; below that it blocks the route past the bed.

Bedside cabinets sit at the head, so they affect width rather than length. Keep them close to the mattress height so a lamp and a glass of water sit at a usable level. Slim modern bedside cabinets UK sale in the 40cm to 45cm range suit most double setups without narrowing the walkway.

If the room is short on length, mounting storage on the wall instead of standing it on the floor is the cleanest solution. Floating shelves above a bedside cabinet, or a wall mounted mirror rather than a cheval, both recover floor area without reducing what the room can hold. You can compare sizes across the full bedroom range at Furniture in Fashion, with free delivery to most UK mainland postcodes.

Frequently Asked Questions

How long is a UK double bed in feet?

A UK double mattress is 190cm long, which is 6ft 3in. The width is 135cm, or 4ft 6in.

Are all UK bed sizes the same length?

No. Singles, small doubles and doubles are all 190cm long, while kings and super kings are 200cm. That 10cm step up happens at king size.

Is a double bed long enough for someone 6ft tall?

A person of 183cm on a 190cm mattress has around 7cm of margin, which is workable but tight, particularly with a footboard. Above 185cm, a king at 200cm is the more comfortable choice.