Single Beds: Sizes, Styles and Finishes Explained

A standard UK single bed measures 3ft by 6ft 3in, which is 90cm by 190cm. Alongside it sit two useful variations: the small single at 2ft 6in, or 75cm wide, designed for very narrow rooms and younger children, and the long single at 90cm by 200cm, intended for taller sleepers. Everything else about a single, the frame style, the finish and the storage, is a matter of how the room is used rather than a fixed rule.

Singles do more work than any other bed size in British homes. They appear in children’s rooms, loft conversions, box rooms, guest rooms, studies and shared bedrooms with bunks. That range means the right choice depends far more on context than on preference alone. This guide sets out the sizes clearly, then works through the styles and finishes that suit each situation.

UK single bed sizes in full

The standard single at 90cm by 190cm is the size almost all bedding, mattresses and toppers are made for. If you want the widest choice of accessories and the simplest replacement path, this is the size to buy.

The small single at 75cm by 190cm exists for rooms where 90cm simply will not fit with usable access. It is common in box rooms and in bunk arrangements. The compromise is bedding: small single duvets and sheets are available but the range is narrower, so factor that in.

The long single at 90cm by 200cm adds 10cm of length, which matters for anyone over roughly 6ft. Teenagers who are still growing are the usual candidates. Mattress choice is good, though again the bedding range is smaller than for the standard size.

Beyond these, European singles occasionally appear at 90cm by 200cm as well, so if you are buying a frame described as European, check the mattress size carefully before ordering bedding.

Choosing a frame style

Four styles cover the majority of single beds, and each suits a different situation.

A basic slatted frame with a headboard is the default for a bedroom that will simply be slept in. It is light, straightforward to move and available in every finish.

A guest bed with a pull out trundle underneath sleeps two in the footprint of one. The lower bed either sits at floor level or rises to match the top, forming a wider surface. This is the most practical single for a spare room in a house that occasionally hosts more people than expected.

A cabin or mid sleeper lifts the mattress to create a working area beneath. It suits children from around six upwards and teenagers who need a desk in a room that cannot hold both. Check the clearance beneath, which should be near 75cm for a usable desk.

A day bed sits against a wall with a back and sides, functioning as seating during the day. This is the style to choose when the room is primarily something else, such as a study or a snug.

Finishes: fabric, timber and metal

Fabric singles bring softness to a room and hide construction well. They suit adult guest rooms and teenage bedrooms, and they reduce noise slightly, which is worth knowing in a house with thin walls. The consideration is cleaning: an upholstered frame in a young child’s room will pick up marks. Removable covers are rare, so choose a mid tone rather than a pale one. Our single fabric beds UK sale range covers the greys, teals and oatmeal shades that wear best.

Timber singles are the most durable choice and the easiest to clean. Oak and painted white are the two most popular, with walnut and grey toned finishes behind them. A plain timber frame will survive several changes of room use, from child to teenager to guest, which makes it the most economical option over a decade.

Metal singles offer the lightest visual footprint, which matters in a narrow room. A flat bar or square section steel frame reads as an outline rather than a solid mass, leaving the room feeling more open. They are also the easiest to move up stairs. Look for powder coated finishes and a centre support leg. Designs across our single metal beds UK sale selection include both traditional and stripped back contemporary shapes.

Storage options under a single

Single rooms are usually the smallest in the house, so the space under the mattress is valuable.

Drawer bases give the easiest daily access, and two drawers on one side is the common configuration. They need around 50cm of clear floor to open, which is the main constraint when the bed is pushed into a corner.

Lift up ottoman bases work in any position, since they need no side clearance. On a single they hold a surprising amount: spare bedding, seasonal clothing and a case will all fit.

Trundle drawers are the third option, where the pull out section holds bedding rather than a second mattress. Useful in children’s rooms where toys need somewhere to go at the end of the day.

If the bed itself has no storage, a low chest along the wall or a box at the foot will do the same job. Options in the modern children’s storage furniture UK range are sized for smaller rooms specifically.

Mattresses for single beds

Support requirements differ by age. Children under around twelve generally do best on a firmer mattress, since body weight is low and a soft surface offers little support. Teenagers and adults suit medium to medium firm, depending on sleeping position.

Depth matters for safety on bunks and mid sleepers. Manufacturers specify a maximum depth so the guard rail remains high enough above the sleeping surface, usually around 15cm to 16cm. Exceeding it removes the protection the rail is there to provide.

For everyday singles, a depth between 18cm and 25cm suits most frames. Deeper mattresses can hide a low headboard, so check the headboard height if the design matters to you. Depths are listed throughout our modern mattresses UK sale range.

Planning the room around a single

A 3ft bed needs roughly 55cm of access on the open side, and about the same at the foot if there is a wardrobe or door. In a 2.4m wide room, a single against one wall leaves comfortable circulation and room for a chest opposite.

Placing two singles in a shared room works if the room is at least 3m wide. An alternative is to place them at right angles in opposite corners with a shared corner table, which frees more central floor for play than a parallel arrangement.

Headboard height is worth thinking about in children’s rooms. A taller headboard blocks draughts from a cold external wall and gives something to lean against for reading, which is more useful than it sounds.

How long will a single last?

A well made timber or metal single will outlast the child it was bought for, which is why plain designs pay off. Themed frames in bright colours look appealing at five and are refused at nine.

The economical approach is a neutral frame with personality supplied by bedding, wall colour and accessories, all of which cost little to change. A white or oak single bought for a seven year old can move to a guest room fifteen years later without looking out of place.

The full range of single frames, from simple slatted designs to storage bases and cabin beds, is available at Furniture in Fashion, with free delivery to most UK mainland postcodes.

Assembly, safety and the checks worth making

Single frames are the easiest beds to assemble, usually taking one person under an hour. Two details are worth attention regardless of style.

The first is the centre support. Even at 3ft wide, a frame benefits from a centre rail, and any bed carrying an adult should have one. Without it the slats take the full load across their span and will bow over time.

The second is slat fixing. Slats held in rubber caps or fixed to a fabric spine stay in position. Loose slats resting on a lip will shift, particularly on a bed that is used for sitting as well as sleeping, and a gap that opens up under the hips is the usual cause of a mattress sagging early.

On bunks and mid sleepers, check the guard rail height above the finished mattress surface, and confirm the ladder is fixed rather than hooked, since hooked ladders can be dislodged.

Making a single room feel generous

Rooms built around a single bed are usually the smallest in the house, so a few decisions carry more weight than they would elsewhere.

Push the bed to one wall rather than centring it, which leaves a single usable strip of floor instead of two narrow ones. Keep furniture below window sill height where possible, so the room reads as open above waist level. Use the wall above the bed for shelving rather than the floor beside it.

Finally, choose bedding in a size that matches. A double duvet on a single bed is a common shortcut and it makes the bed look untidy no matter how carefully it is made.

Frequently asked questions

What size is a UK single bed?

A standard UK single measures 3ft by 6ft 3in, which is 90cm by 190cm. Small singles are 75cm wide and long singles run to 200cm in length.

Is a small single worth considering?

Only where 90cm genuinely will not fit with usable access. The 15cm saving can be decisive in a box room, though bedding choice is more limited.

What is the difference between a single and a long single?

Length. A long single adds 10cm, reaching 200cm, which suits taller teenagers and adults. Width stays the same at 90cm.

Can adults sleep comfortably on a single bed?

Yes, for one person. Most guest rooms and student rooms use singles without complaint, provided the mattress suits the sleeper. It is length rather than width that causes problems for taller adults.

What mattress depth is safe on a bunk or cabin bed?

Follow the maximum stated by the manufacturer, usually around 15cm to 16cm. A deeper mattress reduces the effective height of the guard rail.