A UK single bed mattress measures 90cm wide by 190cm long, which is 3ft by 6ft 3in. This is the standard single size across British retailers, and mattresses, sheets and duvets are widely available for it.
The frame will be larger than the mattress. Depending on the design, expect an additional 5cm to 15cm on each side, so a single bed typically occupies between 100cm and 120cm of floor width in reality. That difference matters in the small rooms singles usually go into.
A small single, sometimes called a narrow single, measures 75cm by 190cm and is used where width is severely limited, often in box rooms or on narrow landings. It is less common and bedding for it can be harder to find.
A small double, or three quarter bed, is 120cm by 190cm. This is a useful step up from a single for an adult who wants more room without a full double footprint, and it is worth considering in rooms that cannot take 135cm.
Long singles exist at 90cm by 200cm and are helpful for taller teenagers and adults. They are less widely stocked, and standard single bedding will be short, so check availability before committing.
For reference, a standard double is 135cm by 190cm. Two UK singles pushed together measure 180cm, which matches a super king width, and this is the principle behind zip and link mattresses.
Start with the frame footprint rather than the mattress. Allow at least 60cm of clear floor on the side you need to walk down, and closer to 70cm if a wardrobe or drawer opens into that space.
A single with access on one side works in rooms from roughly 2.1m by 2.7m. With access on both sides, allow around 2.4m by 2.7m. Those are workable minimums rather than generous figures, and they assume the door does not open into the bed.
In box rooms, placing the bed against the long wall usually gives the best result, leaving one clear walkway and a corner for storage. If the room has a chimney breast or boxed pipework, measure at floor level since these reduce the usable width more than people expect.
Loft conversions and rooms with sloping ceilings need a different approach. The bed can sit under the slope where standing height is not needed, which often unlocks a room that seemed too small. Just check headroom for sitting up in bed.
Children’s and teenagers’ rooms are the most common use. A single leaves floor space for a desk, storage and play, which matters far more day to day than mattress width. As children grow, a long single or a small double may become the better option, though many stay in a standard single into their teens.
Guest rooms benefit too, particularly where the room doubles as a study or hobby space. Two singles can be more versatile than one double, since they suit both a couple when pushed together with a zip and link mattress and two individual guests when separated.
Small flats and studio spaces often have no room for anything wider. In these cases a single with an ottoman base or drawers underneath does two jobs at once, which is worth more than extra sleeping width.
Live in accommodation, annexes and box rooms in shared houses all fall into the same category. The single is not a compromise here; it is the size that lets the room function.
Wooden frames are a common choice for children’s and guest rooms because they are robust and warm in appearance. A slim rail design keeps the footprint tight, which matters in a narrow room. Our modern single wooden beds UK sale range includes both minimal designs and frames with integrated storage.
Upholstered singles soften a room and are comfortable to lean against for reading, which suits teenagers who use the bed as a sofa during the day. Fabric absorbs a little sound, a small benefit in rooms with hard flooring. The single fabric beds UK selection covers a range of headboard heights, and a lower headboard keeps a small room feeling open.
Metal frames are typically the most economical and have the slimmest profile, so they take up the least floor for a given mattress size. They handle enthusiastic use well.
Storage designs deserve particular attention at this size. In a small room, the area under the bed is often the only spare volume available. An ottoman lift up base turns the whole footprint into storage for bedding and off season clothes, while drawer bases give easier access to items used regularly. Our modern ottoman beds UK sale includes single sizes for exactly this purpose.
Whatever the frame, check the slat spacing and support. Singles do not need a centre rail in the way a king does, but closely spaced slats will support the mattress better and extend its life.
In shared children’s rooms, bunk beds convert floor space into vertical space and usually use standard single mattresses. Check the maximum mattress depth specified for the top bunk, since a mattress that is too deep reduces the effectiveness of the safety rail.
Mid sleepers and high sleepers raise a single mattress to create a desk or storage area underneath. These suit rooms with reasonable ceiling height and work well for school age children who need a work surface.
Day beds serve as seating during the day and a bed at night, which is useful in a room that has to be a study most of the time. Guest beds with a pull out second mattress underneath give two singles from one footprint.
Each of these trades something. Bunks and high sleepers make bed making harder, and day beds are usually firmer to sit on than a sofa. In a genuinely small room, those trade offs are usually worth accepting.
A single duvet is normally 135cm by 200cm. Note that it is wider than the 90cm mattress, which is correct, since a duvet needs overhang. One standard pillow suits a single bed, and two will overlap.
Fitted sheets need to match mattress depth as well as size. Deeper pocket sprung mattresses can exceed 25cm, and adding a topper increases the total further. A standard depth sheet will keep pulling off the corners if the total is too great.
On mattress choice, a single sees the load of one person, so it will generally outlast a shared double. Rotating head to foot every few months still helps, and it is easy to do alone at this size. Our mattresses UK sale listings include depth and construction details for each option, which makes matching a mattress to a frame and to fitted sheets straightforward.
Once the bed is placed, the surrounding furniture decides whether the room works. Slim depth bedside cabinets are far better than standard ones in a narrow space, and a wall mounted shelf can replace a cabinet entirely. A wall light instead of a table lamp frees the surface completely.
Storage should go vertical. A tall narrow chest of drawers holds as much as a wide low one while leaving more floor visible, and floor space is what makes a small room feel liveable. Over bed shelving works where there is wall height available.
Keep the palette light and consistent so the eye is not stopped by contrast at every turn. A single accent colour in cushions or a throw is enough. Our modern childrens furniture UK sale range is worth browsing for compact desks and storage that suit these rooms, and the wider bedroom furniture UK sale selection covers slim wardrobes and drawers. At Furniture in Fashion every listing includes full dimensions so a small room can be planned accurately, with free delivery to most UK mainland postcodes.
A single mattress is 90cm wide by 190cm long, which is 3ft by 6ft 3in. The frame will be larger than this.
Yes for one adult, though anyone over about six feet may prefer a long single at 200cm, and those wanting more room to move often choose a small double at 120cm.
Roughly 2.1m by 2.7m works with access on one side. Allow around 2.4m by 2.7m for clear space on both sides.
Two 90cm singles total 180cm, matching a super king width, but standard singles are 190cm long rather than 200cm. Zip and link mattresses are made for this purpose.
A single duvet is usually 135cm by 200cm, which gives the correct overhang on a 90cm wide mattress.
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