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10 Best Cot Mattresses For Baby Beds

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Best Cot Mattresses For Baby Beds.

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Choosing the perfect mattress for your baby's cot can be overwhelming - there are so many different factors to consider.

Not only do they need to be safe, firm, and flat - but they also need to fit precisely with no gaps at the edges, be breathable, and have a waterproof aspect for any leaks. With that said, there is a huge variety for parents to choose from when making a purchase; from foam to spring to pocket spring, or you may even want to consider the growing number of mattresses made with natural and eco-friendly materials.

It's also a good idea to check the dimensions of your cot accurately before purchasing, as there is no exact standard cot or mattress size - though they usually measure up to 60 x 120cm or 70 x 140cm for a cot bed mattress. With all of that in mind, we've selected 10 of the best mattresses for cots and cot beds for your little one - all of which can be purchased online, are safety approved, made with a range of healthy materials, and will suit a variety of babies, so you can find the perfect one.

And while you're at it, why not check out our best waterproof mattress covers and protectors or our best travel cots to go with them?

Our Top Choice

KIDADL TOP PICK

The Little Green Sheep Natural Twist Cot Bed Mattress‍

The Little Green Sheep Natural Twist Cot Bed Mattress‍.

If you're looking for 100% natural and organic mattresses for cot beds, this one will make a great addition to your home. It's suitable from birth to toddler and is dual-sided - the firmer side for use up to 12 months and the softer side for when your baby is slightly older (and up to 5 years old). It's made with a mixture of cotton, coconut coir, natural latex, and hypo-allergenic wool and even got rated 5-stars as the best value cot mattress. Completely free from toxins and other harmful materials, the cot bed mattress is also breathable and is great for temperature regulation. Unfortunately, it's not waterproof so we'd recommend purchasing a mattress topper for cot alongside it - but the mattress itself can be sponge cleaned whenever you'd like with ease!

  • Price: £154.99
  • Size: 70 x 140 x 10 cm
  • Made with coir/fleece/wool

Best Cot Bed Mattress For A Premium Night's Sleep

Premium Pocket Spring Cot Mattress - Mamas And Papas‍

Premium Pocket Spring Cot Mattress - Mamas and Papas.

This Mamas and Papas pocket spring cot mattress is both comfortable and supportive for newborns and toddlers alike. The pocket sprung cot bed mattress features a fibre core with airflow to keep the baby cool, an additional recycled eco-pad layer for support, and a washable, removable, water-repellent cover. The dual-core design of the mattress is great for babies and offers two-sided support so you can flip and rotate the mattress at your will to ensure that it lasts as long as possible - with the other side being suitable for a toddler. It also benefits from anti-allergy treatments, Purotex technology, and perspiration control treatment to prevent the baby from sweating. The pocket springs respond well to the baby's growing shape,  and it even has a wipe-clean inner to keep hygiene standards high. An added bonus is that it arrives in eco-friendly packaging - so you can feel good about protecting the planet as you order!

  • Price: £69.30
  • Size: 60 x 120 x 10 cm
  • Made with a fibre core

Best Waterproof Cot Bed Mattress

Emma Cot Mattress‍

Emma Cot Mattress‍.

With 97% of mums on Mumsnet stating that they'd recommend this to other parents, this one makes for a great mattress for a cot. It's both firm and supportive to help the baby develop healthily, and is made with a sturdy and breathable foam that keeps them both cool and comfortable. The cot mattress is made with high-quality materials for ultimate safety, is ideal for both babies and toddlers, supports the head well, and prevents any sinkage. It's also great for regulating temperature and stopping your baby from sweating, whilst the second inner cover prevents any moisture from entering the foam. Durable, firm, and with a washable and waterproof cover - Emma even offers a 45-night trial so you can feel confident in your purchase.

  • Price: £159
  • Size: 60 x 120 or 70 x 140 cm
  • Made with a firm foam

Best Cot Bed Mattress For Classic Comfort

Silentnight Safe Nights Airflow Cot Bed Mattress‍

Silentnight Safe Nights Airflow Cot Bed Mattress.

Providing the nation with mattresses for decades, Silent Night is well-known for its high-quality products and this one is no exception. Suitable from birth, the cot bed mattress is both flat and firm - just what a baby needs. It's also breathable and has a 3D mesh cover to help promote natural airflow and to sustain the perfect temperature. The polyester core provides comfort and support to the body and contains no foam or harmful chemicals - having been treated with the fully-natural Purotex. It's also hypo-allergenic, has a removable and washable cover that's easy to look after, and is even recyclable.

  • Price: £91.99
  • Size: 60 x 120 or 70 x 140 cm
  • Made with a polyester core
     

Best Cot Bed Mattresses For A Luxurious Feel

Silver Cross Cot Bed Mattress - Superior - Kiddies Kingdom‍

Silver Cross Cot Bed Mattress - Superior - Kiddies Kingdom‍.

You may know Silver Cross for their prams and pushchairs, but they also make some pretty high-quality mattresses for baby cots. Made and designed in the UK, this pocket sprung cot bed mattress is perfect for both comfort and bodily support as your baby grows. It features 190 individual pocket springs that respond to the body weight and shape as it moves, and it's even reversible - with one side for use up to 18 months and the other for toddlers and older. The mattress has a waterproof interior, is hypoallergenic, and is also temperature regulating to prevent moisture, keep things fresh, and help airflow. It also features a removable cover that can be washed, and TrueFit borders to stop arms and legs from getting trapped. Even better? It has a lifetime guarantee for peace of mind!

  • Price: £119.20
  • Size: 70 x 140 cm
  • Made with Tencel fabric

Best Cot Bed Mattresses For Comfort

Panda Kids Memory Foam Bamboo Mattress‍

Panda Kids Memory Foam Bamboo Mattress‍.

Made with hydro-foam memory foam that both improves airflow and helps to prevent overheating, this Panda Kids memory foam mattress also features bamboo absorbent fabric that will draw any excess moisture from the skin and relieve pressure from the body. The airflow support base helps to ventilate and evenly distribute your baby's weight - whilst the waterproof layer helps to protect the mattress and prevent any moisture or bacteria. Designed for ultimate support and comfort, the mattress is easy to clean, great for both the summer and winter as it keeps little ones cool and also retains heat - and parents say it's super comfortable for a good night's sleep.

  • Price: £99.95
  • Size: 60 x 120 cm
  • Made with hydro foam and bamboo
     

Best Crib Mattress For On The Go

MOTHER NURTURE Classic Travel Cot Mattress‍

MOTHER NURTURE Classic Travel Cot Mattress‍.

Suitable for those from 0-3 years old, this travel cot mattress is great for when you're not at home, on a trip, or on the road. It's both hypo-allergenic and spill-proof - and has an easy to remove washable cover for convenience. The quilted cot mattress is made with dent-resistant foam to support babies' bodies and to provide them with a comfortable place to rest and is also reversible to ensure that it is as long-lasting as possible. The core of the mattress is made with a non-harmful foam that meets all UK safety standards, is breathable, and comes in a waterproof casing. Nice and firm, it'll provide for a good night's sleep when needed - and you may even want to buy another one to keep at granny's house!

  • Price: £26.99
  • Size: 95 x 65 or 120 x 60 or 140 x 70 cm
  • Made with nursery grade foam

Best Eco-Friendly Crib Mattress

Baby Elegance Eco-Fibre Cot Mattress - Argos‍

Baby Elegance Eco-Fibre Cot Mattress - Argos.

This Baby Elegance eco-fibre cot mattress is both environmentally friendly and made with good quality materials for those on a budget. The middle is made with a strong pad of fibre that is both long-lasting, breathable, and allows for air to flow freely. It also has a removable and washable cover, is hypo-allergenic, is water-resistant, and will fit snugly in your cot for safety purposes. Great for a sound night of sleep - you can't go wrong with this one!

  • Price: £36.99
  • Size: 120 x 60 cm
  • Made with a strong pad of fibre

Best Crib Mattress For Families On A Budget

AirComfort Eco Breathable Quilted Extra Thick Cot Mattress‍

AirComfort Eco Breathable Quilted Extra Thick Cot Mattress.

A great addition to your home, this cot mattress is made with an eco-friendly core and a special polyester fibre for comfort and support. It's both breathable, comfortable, and ventilated for airflow - with a waterproof liner to catch any leaks and a removable cover that can be washed with ease. The mattress is also hypo-allergenic, and reversible - so you can be reassured that it will last you for a long time ahead. To top it off, it even comes with a 100% quality satisfaction guarantee so that you can purchase with ease!

  • Price: £29.99
  • Size: 120 x 60 or 140 x 70 cm
  • Made with nursery-spec fibre
     

Best Cot Bed Mattresses For Support

Obaby Superior Sprung Mattress For Cot Bed - Kiddies Kingdom‍

Obaby Superior Sprung Mattress For Cot Bed - Kiddies Kingdom.

With a quilted cover for added comfort, this Obaby pocket sprung cot mattress both supports your baby's body and shape as they move and grow - and is made with high-quality materials for a good night's sleep. It has a removable and washable cover that makes it super easy to clean and keeps it hygienic, fresh and breathable - and provides extra support where needed. The pocket sprung cot bed mattress is also water-resistant for any leaks or spills, has great airflow for heat management, and is dent resistant. A great mattress for a crib that will ensure your baby sleeps soundly through the night!

Kidadl Best Buys selects the top parent-recommended products across the web for families of all ages. If you liked our suggestions for cot mattresses, then why not take a look at our best mattresses for kids, or for something different, take a look at best bedside cots for your baby.

  • Price: £44.99
  • Size: 140 x 70 cm
  • Made with nursery foam
Author

Written By

Rachel Garner

Rachel grew up in Switzerland and currently lives in north-west London. She is an avid reader, writer, and a real foodie and loves discovering new hotspots and trendy places to go in the city. She also enjoys planning days out for her family, she especially loves taking her little cousins swimming and to the park. When she has some free time she loves going to concerts, baking, or visiting her family at their home in Essex. She can sometimes be found travelling a bit further than Essex and loves meticulously planning and researching a trip before heading off to explore new places in Europe and further afield.

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