Moving From a Cot to a Bed: When and How

There's no NHS or official guideline setting a specific age for this one — it genuinely comes down to your individual child and circumstances.

When do families typically move from cot to bed?

Most commonly somewhere between 18 months and 3 years old, but this varies enormously and there's no "correct" age. What matters more than the calendar is readiness and safety.

Is climbing out the clearest sign it is time?

If your toddler starts climbing out of the cot, that's a genuine safety trigger to move to a bed reasonably soon — a fall from a cot height is a real injury risk, more so than the adjustment of an earlier-than-planned move to a bed.

What other reasons make families switch?

• A new baby is on the way and needs the cot — ideally make the switch a few weeks before the baby arrives, not right as the baby comes home, so it doesn't feel like a displacement
• Your toddler is showing general interest in a "big kid bed"
• Potty training is underway and getting in and out for the toilet independently matters

What safer-sleep rules carry over to a toddler bed?

Some safer-sleep basics are still good practice once your toddler moves to a bed:

• Keep the bedroom at a comfortable temperature, generally cited as 16-20°C
• Avoid heavy pillows, duvets or loose bedding for younger toddlers specifically — introduce these gradually rather than all at once
• A guard rail on an open-sided bed reduces fall risk in the first weeks of the transition

How do you make the cot-to-bed switch smoother?

• Let your toddler help choose new bedding or a soft toy for the new bed — a small amount of ownership over the change helps
• Keep the same bedtime routine as before the switch — consistency matters more than the furniture itself
• Some early night-waking or getting-out-of-bed exploring is common in the first couple of weeks and usually settles with a calm, consistent response (a brief, boring return to bed each time, rather than a big reaction)
• A stair gate on the bedroom door can add peace of mind in the early weeks if your toddler is prone to wandering at night

What if the switch does not go smoothly at first?

A few disrupted nights after the switch is common and doesn't mean you've made the wrong call or the wrong timing — most toddlers settle into a new bed within a couple of weeks with a consistent approach.

Cotbed, toddler bed or straight to single?

If you have a cotbed, the conversion is the obvious first step — familiar mattress, familiar spot, just no bars. Buying fresh, the choice is between a toddler bed (low, small footprint, takes the cot mattress, outgrown around 4–5) and going straight to a single with a bed guard — cheaper across childhood, and what most families do second time around. The single-bed route wins on economics; the toddler bed wins for small rooms and for children who find the big bed cavernous. Whatever the frame, the mattress rule from the cot carries over: firm, flat and well-fitting, with no gaps at the edges.

How do you handle the escape-artist phase?

The novelty of freedom produces the jack-in-the-box fortnight: appearances at the living-room door, requests for water, one more story, existential objections to bedtime. The response that ends it fastest is dull consistency — return them calmly, minimal words ("bedtime now"), same phrase every time, no negotiation and no cross escalation. The first nights might take twenty returns; by night five it's usually two or three; most families are through it inside two weeks. A groclock or toddler sleep clock helps the other end of the night, giving a pre-verbal-clock child a visual rule for when getting up is allowed.

What is the room-proofing checklist for a toddler bed?

Once the cot bars are gone, the bedroom is the container — childproof it like the cot it now is:

• Furniture anchored to walls (chests of drawers are the classic climbing hazard)
• Blind cords cliped up or eliminated entirely
• Sockets covered or furniture-blocked, cables tidied away
• Radiator not scaldingly hot overnight; window locks or restrictors fitted
• A stair gate on the bedroom door or landing while wandering is a risk
• Nothing heavy on shelves above the bed

Do the crawl test: get to their eye level and look for what's reachable, pullable or climbable — the room reads differently from down there.