Choosing your child's first proper bed is a big decision. A toddler bed offers a gentle stepping stone between a cot and a single bed, giving young children the independence they're ready for while keeping them safe and secure. In this guide, we explain what toddler beds are and how to choose the right one, so you can decide on the best option for your family.
What is a toddler bed?
A toddler bed is a low-level bed designed to help little ones transition smoothly from a cot. Sitting much closer to the ground than a standard single bed, it offers added reassurance while your child is still developing balance and coordination. Unlike cots, toddler beds allow children to climb in and out independently, but they still include built-in safety rails to help prevent nighttime tumbles. The lower height reduces the risk of injury from falls, and the smaller, more enclosed design often feels cosier and more secure than moving straight into a full-sized single bed.
What size is a toddler bed?
In the UK, a standard toddler bed measures 140cm long by 70cm wide, designed to fit a cot mattress. This consistent sizing makes it easy to reuse existing mattresses and find properly fitting bedding. The length typically suits children up to around 110–120cm tall, while the 70cm width offers a cosy, secure sleep space without feeling too spacious. Toddler bed frames can vary slightly in size depending on the design, so make sure to check the exact specifications for your chosen toddler bed when measuring your space.
Read more in our full guide on choosing the right bed size for your child.
How high is a toddler bed?
A toddler bed typically sits around 30–40cm from the floor, making it much lower than a standard single bed at 50–60cm. This reduced height is one of its key safety features, helping to minimise the risk of injury if your child rolls out during the night.
What size mattress do you need for a toddler bed?
Toddler beds use a standard 140cm x 70cm cot mattress, so you can usually reuse your existing one if it’s still firm and in good condition. The familiar feel can even help ease the transition for your little one. If you’re buying a new toddler mattress, choose one with a supportive, firm feel and British Standard certification (BS 1877). Foam and pocket-sprung mattresses are popular options. The mattress should fit snugly, with no gaps wider than 3cm.
What age is a toddler bed for?
Toddler beds typically suit children from around 18 months to 4 years old, though this varies significantly depending on your child's size, development, and readiness for the change. Most children make the move when they’ve developed enough physical coordination to get in and out of a low bed safely, understand boundaries like staying in bed when asked, and have started climbing out of their cot, which creates a safety risk.
Take a look at our comprehensive guide on signs your child is ready for a toddler bed for more guidance.
How long does a toddler bed last?
A toddler bed typically lasts between 2-3 years, until around ages 4-5, though this depends on when your child transitions into it and how quickly they grow. The physical lifespan of the bed itself usually outlasts your child's need for it. However, well-made toddler beds can easily last through multiple children, making them cost-effective for families who have more than one child. Some signs that indicate it's time to move on from a toddler bed to a kids' bed include:
- They're too tall for the bed: If your child's feet hang over the end or they need to curl up to fit comfortably, they've outgrown the 140cm length. Most children reach this point somewhere between ages 3.5 and 5.
- They're removing or climbing over the safety rails regularly: When the rails become more of an obstacle than a safety feature, your child is ready for a bed without them.
- They're asking for a ‘big kid’ bed: Children often express interest in having a bed like older siblings or friends. If they're excited about the change and meeting the physical criteria, there's no reason to delay.
- They seem cramped: If your child is a restless sleeper who frequently bumps into the sides or seems uncomfortable in the space, they need more room. Active sleepers often benefit from moving to a single bed earlier than calmer sleepers.
- The bed no longer meets their needs: As children grow, they might want to sit up in bed to read or play. The small size of a toddler bed can make this difficult. A single bed provides more versatility.
For tips on how to move on from a toddler bed, take a look at our guide on how to transition your toddler to a big bed.
Types of toddler beds
Toddler beds come in several different designs, each offering features to suit various needs and preferences. The main types include:
Standard toddler beds: Simple, low-profile frames with integrated side rails. These classic designs focus on function and safety without additional features. They're usually the most affordable option and work well in smaller bedrooms where space is limited.
Character and themed beds: Novelty beds feature designs based on popular children's characters, vehicles, or themes like castles and houses. These beds can make the transition more exciting for children.
Toddler beds with storage: Include built-in drawers underneath the sleeping area. This design maximises space in smaller bedrooms and provides convenient storage for toys, clothes, or bedding.
Toddler beds with canopies: Come with fabric drapes or tent-like covers that create a cosy, enclosed sleeping space. Some children find this extra sense of security comforting, particularly if they're anxious about the transition from a cot.
Convertible cot beds: Transform from a cot into a toddler bed by removing one or both sides. These aren't strictly toddler beds but offer a similar low-height sleeping surface once converted.
What materials do toddler beds come in?
Toddler beds are manufactured in several materials, each with distinct characteristics that affect durability, appearance, and price. The most common options are:
Wood: Natural or painted wooden toddler beds offer durability and a classic look. Wood is sturdy enough to withstand energetic toddlers and can be passed down to younger siblings.
MDF (Medium Density Fibreboard): An engineered wood product that allows for smooth painted finishes and character designs. MDF toddler beds are typically more affordable than solid wood, while still providing adequate strength and stability.
Metal: Steel or iron toddler beds create a lightweight yet strong frame. Metal beds often have a more open, airy appearance and are easy to clean.
Fabric upholstery: Some toddler beds feature padded, upholstered headboards or side panels. These add softness and comfort, particularly if your child sits up in bed.
Plastic: Hard-wearing plastic toddler beds are common for character and themed designs. They're lightweight, easy to wipe clean, and often come in bright colours.
Toddler bed safety features
Safety is the primary concern when choosing a toddler bed. Many models come with added features that help to keep your child secure during sleep and when getting in and out of bed. These include:
- Side rails or guards: These raised edges prevent your child from rolling out during sleep. Look for rails that are at least 15cm high from the mattress surface, but not so high that they feel restrictive. The rails should be sturdy and firmly attached to the bed frame, not loose or wobbly. Most toddler beds have rails that don't run the full length of the bed, leaving a gap for your child to climb in and out.
- Low height: The closer the sleeping surface is to the floor, the less dangerous a fall becomes. Most toddler beds sit 30-40cm high, significantly lower than standard beds.
- Rounded corners and edges: Prevent injuries if your child bumps into the bed frame during play or when getting in and out.
- Stable construction: The bed frame should be solid and not wobble when your child moves around. Check weight limits to ensure the bed will remain stable as your child grows. A good toddler bed should comfortably support at least 50kg, though many support considerably more.
- Non-toxic finishes: Look for beds with water-based paints and finishes that meet British and European safety standards.
- Proper mattress fit: The mattress should fit snugly within the frame with gaps no larger than 3cm. Larger gaps create a risk of limbs becoming trapped. Always use a mattress specifically designed for toddler beds rather than improvising with something that doesn't fit properly.
- British safety standards compliance: Look for beds that meet BS EN 716 standards, which cover safety requirements for children's cots and beds.
How to choose a toddler bed
Selecting the right toddler bed involves balancing safety, practicality, budget, and your child's preferences. Here's what to consider:
- 1. Measure your space carefully: Toddler beds themselves are compact, but you need to account for space around the bed for safe movement. Measure the area where the bed will sit and ensure there's at least 50cm of clear space on the side your child will use to get in and out. Consider where doors and windows are, and avoid placing the bed where your child could climb onto windowsills.
- 2. Think about which safety features your child needs: Some toddler beds have higher side rails or rails on both sides, which can offer extra reassurance if your child is an active sleeper.
- 3. Listen to your child’s preferences: Choosing a design or colour they love can help them feel excited and confident about the move from cot to bed.
- 4. Consider longevity and value: A cheaper toddler bed might save money upfront, but it may need replacing sooner if the quality is poor.
- 5. Think about storage needs: If your child's bedroom is small, a toddler bed with built-in drawers maximises the available space.
- 6. Look at weight limits: Most toddler beds support between 50-75kg, which should be more than adequate for the age range they're designed for. However, if you have a larger child or want the bed to last as long as possible, choosing one with a higher weight limit provides extra reassurance.
Choosing the right toddler bed is all about finding a safe, practical option that suits your child’s needs and your home. By understanding the sizes, features and safety standards to look for, you can feel confident you’re making the right choice for this important milestone. When the time feels right, explore our range of toddler beds to find a design that’s comfortable, secure and perfectly suited to your little one’s next step.