Detachable bunk beds: bunks that split into two single beds

Children's sleeping arrangements change. A detachable bunk bed starts as a space-saving bunk for siblings sharing a room and can later be split into two separate single beds, so the furniture moves on when the family does.

How detachable bunk beds work

A detachable (sometimes called separable or convertible) bunk bed is made of two complete bed frames that stack on top of each other. When you want two singles, you unbolt the top bed from the bottom one, and with the parts supplied, each becomes a free-standing bed. Exactly what's needed varies by design: some convert with the parts in the box, others need extra feet or rails. The product description will say how each bed converts.

In our range, detachable and separable bunks come from Flair Furniture and Mathy By Bols, in wooden and painted finishes.

Why choose a detachable bunk?

  • It grows with the family. Siblings who share now may want their own rooms in a few years. A detachable bunk gives you two beds rather than one bed you no longer need.
  • Flexibility for guests. Split it into two singles for visitors, or side by side for a sleepover set-up.
  • Easier moves. If you move house, two singles may fit a new layout better than a bunk.
  • Younger siblings. If one child is under six, you can use the beds as two singles until they're old enough for a bunk arrangement. The bunk bed standard BS EN 747 says the top bunk isn't suitable for under-sixes.

What to check before you buy

  • What's included for conversion. Look for wording like "splits into two single beds" and check whether any extra parts are needed.
  • Mattress size and depth. Both beds usually take the same mattress size. When stacked, the top bed has a maximum mattress depth, so choose mattresses that work in both set-ups.
  • Height when stacked. Measure your ceiling and leave comfortable sitting room above the top mattress.
  • Ladder position. Check where the ladder fits and whether it can move to suit your room.
  • Finish and style. As the beds may end up in two different rooms, a neutral finish is easier to match with other furniture later.

Detachable vs fixed bunk beds

Detachable bunkFixed bunk
Converts to two singlesYes, as described for each bedNo
Extras built inUsually simpler framesCan include stairs, desks, storage or a third bed
Best forFamilies planning for separate rooms laterLong-term shared rooms that need storage

If storage matters more than flexibility, compare bunk beds with storage and staircase beds.

Looking after it

  • Re-check every bolt after the first few weeks and then regularly, especially after converting between set-ups.
  • Keep the assembly instructions and any spare fixings safe for when you separate the beds.
  • When restacking, follow the instructions exactly and refit the guard rails and ladder.

Questions to ask yourself first

  • How long will the children share? If a move to separate rooms is likely within a few years, a detachable bunk saves buying again.
  • Is either child under six? Then plan to use the beds side by side or as two singles until the younger one is old enough for an upper bunk.
  • Where will the second bed go? Measure the other room now so you know two singles will fit there later.

Shop the range

Flair Koop Detachable Bunk Bed

Flair Furniture

Koop Detachable Bunk Bed

£219.99

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Koop Detachable Bunk Bed

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Flair Shasha Low Shorty Wooden Detachable Bunk Bed

Flair Furniture

Shasha Low Shorty Wooden Detachable Bunk Bed

£219.99

Shasha Low Shorty Wooden Detachable Bunk Bed

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Flair Elijah Detachable Wooden Bunk Bed New in

Flair Furniture

Elijah Detachable Wooden Bunk Bed

From £219.99 Regular Price £249.99

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Elijah Detachable Wooden Bunk Bed

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Flair Mateo Detachable Ribbed Bunk Bed New in

Flair Furniture

Mateo Detachable Ribbed Bunk Bed

From £219.99 Regular Price £239.99

Next day delivery

Mateo Detachable Ribbed Bunk Bed

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Flair Tetrad Detachable Small Double Bunk Bed

Flair Furniture

Tetrad Detachable Small Double Bunk Bed

£369.99

Next day delivery

Tetrad Detachable Small Double Bunk Bed

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Mathy By Bols Separable Bunk Bed in Dominique Design - 149cm High

Mathy By Bols

Separable Bunk Bed in Dominique Design - 149cm High

Separable Bunk Bed in Dominique Design - 149cm High

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Mathy by Bols Separable Bunk Bed in Dominique Design - 166cm High

Mathy By Bols

Separable Bunk Bed in Dominique Design - 166cm High

Separable Bunk Bed in Dominique Design - 166cm High

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Mathy by Bols Separable Bunk Bed in Dominique Design with Drawers & Desk

Mathy By Bols

Separable Bunk Bed in Dominique Design with Drawers & Desk

Frequently asked questions

Can all bunk beds be split into two singles?

No. Only bunk beds designed to be detachable or separable can be used as two singles. The product description says whether a bed converts and if any extra parts are needed.

Do detachable bunk beds take normal single mattresses?

Many do, but sizes vary by design. Check the mattress size on each product page, and remember the top bed has a maximum mattress depth when stacked.

Is a detachable bunk bed as sturdy as a fixed one?

When assembled exactly as the instructions show and the fixings are checked regularly, a detachable bunk is designed to be used as a bunk bed safely. Always follow the age and mattress guidance supplied.

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