A standard double bed in the UK is 190cm long, which is 6ft 3in or 75 inches. That figure describes the mattress. The frame is longer, generally 195cm to 210cm once the headboard and footboard are included, and frames with a deep upholstered headboard sit at the upper end of that range.
Length is the dimension people check least and regret most. Width gets all the attention because it affects two sleepers sharing, but length is what determines whether your feet reach the end of the mattress, and no amount of extra width compensates for a bed that is too short.
A 190cm mattress comfortably accommodates sleepers up to around 185cm tall. That leaves roughly five centimetres at the head and the foot, which is enough for pillows and bedding without feet pressing against the end.
Above 185cm, the fit becomes marginal. At 190cm of height on a 190cm mattress, feet sit right at the edge, the duvet pulls tight across the toes, and sleeping fully extended is not possible. Side sleepers manage better than back sleepers because the body curls slightly, but it remains a compromise.
This is where the British size ladder helps. King and super king mattresses are 200cm long, ten centimetres more than a double. For a tall sleeper who does not need extra width, moving to a king size is primarily a length decision, and it is a more effective one than buying a wider double.
The pattern is straightforward. Small single, single, small double and double all run to 190cm. King and super king both run to 200cm. There is no intermediate option in the standard range, so the choice for a tall sleeper is between 190cm and 200cm.
European sizes complicate matters. Continental single and double mattresses are frequently 200cm long, so a frame imported from Europe may expect a mattress that British bedding does not fit. If you have an older or imported frame, measure the internal length before buying either a mattress or sheets.
Extra long or continental length British mattresses do exist at 200cm in single and double widths, but they are a special order in most cases and bedding options are limited. For most households, stepping up to a standard king is the more practical route to extra length. Our modern king size fabric beds UK sale range covers the 200cm length in a wide choice of headboard styles.
Because the frame is longer than the mattress, the room measurement that matters is the external length. A double frame with a slim headboard sits around 196cm. A frame with a deep padded headboard and a footboard can reach 210cm.
Add clearance at the foot. Seventy centimetres is the working minimum if that space is a route to a window, wardrobe or ensuite, and 40cm is acceptable if the foot of the bed faces a blank wall and nobody walks past. With a 200cm frame and a walkway, you need around 270cm of room depth.
Bay windows, chimney breasts and radiators eat into usable length. A radiator behind the headboard wastes heat into the mattress, and a bed pushed into a bay loses the ability to open the window. Measure at floor level and again at mattress height, since skirting and pipe boxing narrow the space at the bottom.
Ceiling slope is the loft conversion issue. Position the headboard at the tall side and check the roof height at the foot of the bed, where you need enough clearance to sit up and swing your legs out. Low frames help considerably here, and our double wooden beds UK sale range includes low profile designs suited to rooms with restricted height.
A 190cm mattress is inflexible if it is pocket sprung or a firm hybrid. Measure the doorway diagonal, the stair turn, the landing width and any low bulkhead before ordering. The usual failure point in British homes is the quarter turn at the top of a Victorian staircase.
Rolled foam and rolled hybrid mattresses solve most access problems because they arrive compressed in a box and expand in the room. Flat packed frames pass through tight spaces easily and assemble in place. Divan bases in split form come as two halves, which also helps.
Where access is genuinely difficult, check whether the frame can be assembled in the room rather than carried through assembled. Product pages that list carton dimensions rather than only assembled dimensions make this easy to plan.
Bedding sizes assume the standard length. A double fitted sheet is cut for 190cm, so on a 200cm European mattress it will pull off the corners. A double duvet at 200cm by 200cm gives sensible overhang at the foot of a 190cm bed, and on a longer mattress the coverage at the foot becomes tight.
Footboards reduce usable length in a way that surprises people. A frame with a solid footboard confines the mattress and stops bedding hanging over the end, which some sleepers find restrictive and others prefer for the tidier look. Open ended frames allow feet and bedding to extend beyond the mattress, which effectively adds a little tolerance for taller sleepers.
A blanket box or bench at the foot needs its own space beyond the frame, typically 40cm to 45cm deep. Include it in the room depth calculation rather than treating it as part of the walkway, and remember it needs opening clearance if the lid lifts.
If width is adequate and only length is short, compare the cost and footprint of a continental length double against a standard king. The king is usually easier to buy, easier to fit with bedding, and only 15cm wider, which many rooms can absorb.
If both width and length feel short, the king answers both at once. Each sleeper gains 7.5cm of width and everyone gains 10cm of length, and the bedding is stocked everywhere. Our king size wooden beds UK sale selection lists external frame lengths so you can check the room depth before committing.
If the room simply cannot take a longer frame, an open ended double without a footboard buys a few centimetres of tolerance, and choosing a mattress with a firm supportive edge means the last few centimetres of the surface remain usable. Compare constructions in our modern mattresses UK sale range, and view the full British size ladder together at Furniture in Fashion.
We offer free delivery to most UK mainland postcodes, and Returns are available up to 30 days.
The mattress is 190cm long, which is 6ft 3in or 75 inches. The frame is typically 195cm to 210cm long externally.
Comfortably up to around 185cm tall. Above that, a 200cm king or super king mattress is the better fit.
Standard British doubles are 190cm. European doubles are often 200cm, and continental length British mattresses at 200cm exist but are usually special order with limited bedding choice.
Seventy centimetres if it is a walkway to a door, window or wardrobe. Around 40cm is acceptable if the foot faces a blank wall, plus space for any blanket box.
It does not shorten the mattress but it stops feet and bedding extending beyond it, which taller sleepers often notice. Open ended frames give a little more tolerance.
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