Where should I put a cot bed in the nursery?
Short answer: Place the cot away from radiators, direct sunlight and blind cords.
- Check the mattress size listed for the frame. 140 x 70cm is common, but not universal.
- Keep every conversion panel, bolt and instruction sheet for the toddler-bed stage.
- Look at adjustable base heights, teething rails and any matching furniture.
What the guidance says
- Place the cot away from radiators, direct sunlight and blind cords.
- Never use a hot water bottle or electric blanket, and do not place the cot next to a radiator, heater or fire, or in direct sunlight.
Related questions
What is a cot bed?
A cot with removable sides and ends that converts into a toddler bed, most often taking a 140 x 70cm mattress.
Shop at Baby Kingdom
- Nika Cot Bed - Oak & White
- Evie Cot Bed - White
- Obaby Nika Mini Cot Bed & Underdrawer
- Coleby Classic Scandi Cot Bed
Check each product page for its exact dimensions, mattress size, age and weight limits and safety standards.
More advice
Nursery shopping myths quizHow do I choose a bedside crib?Can an 18 month old have a cot bumper?Can a 5 month old sleep in their own room?Your 18 month's sleep space: a safe-sleep guideNight-time temperature quizAll safe sleep and sleep spaces advice →
Sources
- The Lullaby Trust: Baby mattresses and bedding (accessed 2026-10-21)
- NHS: Sudden infant death syndrome (SIDS) (accessed 2026-10-21)
General information only, not medical advice. Always follow your product's instructions. If you are worried about your baby, contact your GP, health visitor or 111. In an emergency, call 999.