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Q: What size is a cot bed mattress?

Cot mattresses are typically available in two sizes. You can choose from: Cot size - 2 foot 4 inches x 4 foot 7 inches (70cm x 140cm) - standard UK cot bed mattress size Continental cot size - 2 foot x 4 foot (60cm x 120cm) - ideal for a continental cot bed

Newborn babies spend more than half their days sleeping so choosing the best cot mattress for your little one is crucial. Babies do most of their growing early in life, especially while they're sleeping. It stands to reason you want the very best crib mattress to make baby's sleep time comfy and cosy.

The right cot mattress should see your baby through from birth to the toddler years - right up until your precious little one is ready to move to a bigger bed. Our collection of cot bed mattresses are specially designed to meet the needs of babies and toddlers. Using the highest quality materials and advanced technology, baby mattresses ensure your little ones gets all the rest he or she needs to have the best possible start in life

So what do you need to look for when choosing a cot mattress for your little one? The answer to a great night's sleep for your baby is a crib mattress from our range, which includes Silentnight's Safe Nights Collection Why not browse our wide selection of baby mattresses today and give your little one a better night’s sleep?

Take advantage of our Free Next Day Delivery on all cot bed mattresses. Shop online or call us - and get the perfect cot mattress today. Because a peaceful night's sleep for your baby is a peaceful night's sleep for you.

What mattress is best for a cot bed?

The best mattress is a cot mattress, which is specifically designed for babies and toddlers. A cot bed mattress should be the correct size for your baby's cot bed so that it fits perfectly, with no gaps.

A baby mattress should be firm, flat and breathable. Ideally, it should include an easily-removable waterproof cover that can be machine washed to keep it extra clean and in good condition.

What size is a cot bed mattress?

Cot bed mattresses are typically available in two sizes. You can choose from:

Cot size - 2'4" x 4'7" (70cm x 140cm) - standard UK cot bed mattress size
Continental cot size - 2' x 4' (60cm x 120cm) - ideal for a continental cot bed

The gap between the mattress and cot should be no more than 3 centimetres (1.2 inches). Additionally, the cot bed mattress should be between 8 and 12 centimetres (3-5 inches) deep to ensure your baby gets the right amount of support they need.

Will a cot bed mattress fit a toddler bed?

In general, it should fit a toddler bed. However, do check the toddler bed dimensions first, to confirm that a cot bed mattress size will fit.

What's the best type of mattress for a baby?

The best mattress for a baby is one that's firm and that fits the bed snugly. A crib mattress should also be breathable and hypoallergenic. You can choose from a variety of comfort and support materials, including baby-safe fibre, foam and pocket sprung options.

Why should I buy a new baby mattress?

The current best practice advice from the NHS is to buy a new cot bed mattress for your baby. You shouldn’t really be using a second-hand mattress, or one that you may have used for your older children.

This is because buying a new baby mattress means that you can be certain it’s clean, safe and hygienic for your baby to sleep on. Also, you are guaranteed to receive a crib mattress that is firm enough for your baby and will fully support their body as they grow,

As your baby will sleep a lot in their first few years, you don’t want to be taking any risks when it comes to their cot bed mattress. You’ll need a mattress you can trust to give your baby all the support they need, which is where we can help.

Browse our selection today and find the perfect crib mattress for your little one.

Types of baby cot bed mattress

There are three main types of cot bed mattress, all of which offer different benefits:

Foam
Standard sprung
Pocket sprung

1. Foam cot bed mattresses

A foam cot bed mattress offers good support and is great value for money. They are usually made up of fillings such as reflex foam to provide a firm sleep surface for your little one.

Advantages	Disadvantages
Usually lighter in weight Offers excellent support and durability Great dust mite resistance Fantastic value for money Easy to clean	The smell of the fire retardant applied for safety may take a little longer to air than other types of cot bed mattress

2. Standard sprung cot bed mattresses

A popular choice, standard sprung cot bed mattresses feature open coil springs surrounded by foam and fillings. Also known as open coil mattresses, heavier versions are likely to include thicker springs and therefore will provide better support than a foam mattress.

Advantages	Disadvantages
Offers great firmness and support Fantastic durability	A little higher in price than foam

3. Pocket sprung cot bed mattresses

A pocket sprung cot bed mattress features springs that are individually wrapped within a cloth sleeve. A pocket sprung mattress provides enhanced support and comfort, since the pocket springs adapt to your baby's movements throughout the night.

Advantages	Disadvantages
Excellent support Great durability Supports your baby as they grow	Usually more expensive than other cot bed mattress types

What size is a cot bed mattress?

To identify which size cot bed mattress you need, you'll need to measure the crib first. Cribs are usually built to match the dimensions of these cot bed mattress sizes:

How firm should a crib mattress be?

Your baby's cot mattress should be firm, flat and supportive. This is because a soft surface is more likely to contour to your baby's body and could increase the risk of sudden infant death syndrome (SIDS).

Don't choose a mattress that feels comfortable for you! Instead, if a cot mattress responds to pressure by quickly snapping back to its original shape, then it should be firm enough for your little one.