A high sleeper doubles a small bedroom. The bed goes up, and the floor underneath becomes a desk, a wardrobe, a sofa or a gaming station.
It's the single biggest change you can make to a box room. But there are two measurements and one rule that decide whether it's right for you, and they're worth getting straight before anything else.
The rule: strictly 6 and over
The sleeping platform of a high sleeper is for children aged 6 and over. This is set by BS EN 747, the British standard for bunk beds and high beds.
It isn't about height and it doesn't change with a lower frame. It exists because spatial awareness, coordination and the ability to respond safely when disorientated at night all develop significantly between four and seven.
If your child is under 6, a mid sleeper or cabin bed gives you storage underneath at a safe height. That's the right product, not a shorter high sleeper.
The two measurements
Ceiling height. Your child needs to sit up on the platform comfortably, with clear space above their head. For a full-height high sleeper, allow at least 2.3m. Measure directly above where the bed will stand, not the highest point of the room, and be careful with sloped ceilings and loft conversions.
Mattress depth. Usually a 15 or 16cm maximum. Guard rails are designed to sit a set height above the mattress surface. Most high-street single mattresses are 20cm or deeper, which removes 5cm of rail and stops it doing its job.
Our bunk bed and high sleeper mattresses are built at 15cm for exactly this reason.
What goes underneath
This is the real decision. The bed part is broadly the same; what changes is what you get below it.
Sofa bed — by far our most popular
The under-bed space becomes a small sofa with a folding mattress. Somewhere to sit during the day, and a spare bed when a friend stays.
This is the configuration most families choose, and the reason is social rather than practical. A bedroom where friends can sit down is a different room from one that's only for sleeping.
- Oxford Highsleeper with Desk & Sofabed, £699.99 — desk and sofa bed together
- Windsor Highsleeper with Sofabed, Desk & Shelving, £799.99 — our best seller
All high sleepers with sofa beds
Wardrobe
A full-height hanging space under the bed, which removes the need for a separate wardrobe entirely. In a small room that's often the piece of furniture there simply isn't space for.
- Arlo High Sleeper with Wardrobe, Desk & Shelves, £629.99
- Kensington High Sleeper with Desk & Wardrobe, £799.99
- Mini Highsleeper with Wardrobe, Desk & Drawers, £649.99 — a more compact frame
Desk
Check the desk length rather than assuming. A 150cm desk takes a laptop, a monitor and an open textbook at once. A shorter one takes a laptop.
- Freya Highsleeper with Desk, Shelves & Drawers, £549.99
- Cambridge High Sleeper with Desk & Storage, £749.99
Gaming
Two things to check that a normal desk bed doesn't need: desk depth, since a monitor needs more room than a laptop, and clearance above the desk, because the underside of the bed can sit lower than you'd expect.
Storage and stairs
If a ladder is the concern, a staircase version gives proper steps with drawers built into them. Easier to climb, and the storage comes free.
The cheapest way in
- Summit Metal Highsleeper, £289.99 — open space underneath for furniture you already own
Two children, one room
- Alexandra L-Shaped Twin High Sleeper with 2 Desks & Wardrobe, £999.00 — two raised beds in an L, with a desk each
When a high sleeper isn't the answer
Worth being straight about, because this is where regret happens.
- The child is under 6. No version of this works. A mid sleeper does.
- Ceiling under about 2.3m, or sloped above where the bed goes.
- Sleepwalking, or difficulties with balance or coordination.
- You'll be changing the sheets. Making a bed at head height is genuinely awkward, and it's the most common thing parents tell us they hadn't thought about.
- The room is already big enough. If floor space isn't the problem, you're adding height for nothing.
If any of those apply, look at a single bed with storage instead. Less dramatic, and it lasts longer.
Practical things to check
- Ladder position. On some beds it adds to the length, on others the width. It isn't always in the headline dimensions.
- Clearance under the platform. If a desk goes underneath, make sure there's room to sit up straight at it.
- Access. These arrive flat-packed in several long boxes. Worth a thought if you've a tight turn on the stairs.
- Assembly. Allow two adults and one and a half to three hours. We offer room-of-choice assembly if you'd rather not.
- Bedding. A fitted sheet on a top platform is easier than a duvet cover. Some families use a sleeping bag style duvet for exactly this reason.
Safety in use
- Guard rails fitted on all exposed sides, and secure
- Mattress within the stated maximum depth
- Nothing hung from the frame: no ropes, bags, skipping ropes or fairy lights
- Ladder clear, and nothing climbable placed beside it
- Fixings re-tightened every few months, and after any heavy use
Full detail on our bed safety guidance page.
Common questions
What age is a high sleeper suitable for?
Six and over, set by BS EN 747. This applies to the sleeping platform regardless of how high the frame is.
How much ceiling height do I need?
At least 2.3m for a full-height high sleeper. Measure directly above where the bed will stand and check your child can sit up comfortably.
What's the difference between a high sleeper and a mid sleeper?
Height. A high sleeper leaves room for a desk, wardrobe or sofa bed. A mid sleeper is lower, with space for drawers and storage but not a full workspace. Mid sleepers suit younger children.
What mattress does a high sleeper need?
Usually a standard UK single at 90 x 190cm, and no deeper than the bed's stated maximum, typically 15 or 16cm.
Are high sleepers safe?
Yes, when used as intended. Every one we sell is built to BS EN 747. The things that matter are the age rule, the correct mattress depth, guard rails on all exposed sides, and regularly checked fixings.
Can two children share a high sleeper?
Not one platform, no. If two children need beds in one room, look at bunk beds or an L-shaped twin high sleeper.
Is it hard to change the bedding?
It's the most common complaint we hear. Fitted sheets are considerably easier than duvet covers at that height, and worth planning for.
Still deciding what type of bed? Read our kids' bed buying guide, or browse all high sleeper beds.
