10 Best Baby Cot Bed Mattress 140 X 70cm in The UK

Last updated on 02/08/2025

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Best Choice

9.9

Exceptional

Sleepy Owl

Sleepy Owl Baby Cot Bed Mattress - Anti Allergy & Waterproof, Zipped, Removable Mattress, Washable Cover - 70x140x7 cm

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Why We Love It

High quality and breathable foam.
Hypoallergenic for healthy sleep.
Water repellent for added protection.

Main Highlights

HIGH QUALITY NURSERY FOAM: Makes the mattress fully breathable, fully washable and anti-microbial. It is orthopaedic and supportive for a good night sleep.
HYPOALLERGENIC & BREATHABLE: Quilted cover and nursery foam promotes natural air flow & temperature control. High end design of materials used keep allergens at bay, providing a safe & healthy sleep for baby.
WATER REPELLENT: Water resistant liner base provides added protection against leaks and spills. This feature ensures that the surface remains clean and hygienic.
MACHINE WASHABLE COVER: Designed for optimal hygiene and comfort. It is machine washable at a temperature of 40 degrees and can be tumble dried.
VARIOUS SIZES for PERFECT FIT: Offer a perfect fit every time. Designed to fit any standard sized Baby Cot Beds & Travel Cots. There will always be a great snug fit.

Tutti Bambini Essentials Fibre Cot Mattress 140 x 70 cm - Hypoallergenic, Breathable & Water-Repellent Cot Bed Mattress, 100% Dent-Resistant Polyester Fibre Toddler Bed Mattress & Travel Cot Mattress

Why We Love It

Comfortable and supportive mattress.
Water-repellent and washable cover.
Perfect fit for different cots.

Main Highlights

ESSENTIAL FOR SOUND SLEEP - Watch your little one sleep tight night after night on Tutti Bambini's comfortable and supportive Essentials Fibre 140x70 cot bed mattress!
2 LAYERS OF COMFORT - Crafted with a 100% polyester foam core wrapped in a soft and breathable cover, the Tutti Bambini toddler mattress lulls your little one to sleep with 2 layers of cosy comfort.
WATER-REPELLENT & MACHINE-WASHABLE COVER - Thanks to a water-repellent and 60° C machine-washable cover, our cot mattresses stay protected from milk spillages, little nighttime accidents, and nappy leaks!
LASTING SUPPORT - The high-density, dent-resistant polyester foam baby mattress provides a firm and supportive 140 x 70 cm surface for your little one to dream on.
A PERFECT FIT - Choose from 2 baby cot mattress sizes (140 x 70 cm and 120 x 60 cm) to get a perfect fit for your cot and watch your little one enjoy countless nights of peaceful slumber on a cloud of comfort.

Mother Nurture Classic Eco Fibre Cot Bed Mattress - Hypoallergenic Easy Clean Quilted Cover, Reversible, Water Resistant, Baby Cot Mattress, Firm & Supportive, White, BSI Tested - Size 140x70 x10cm

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Why We Love It

Promotes healthy baby sleep.
Quality materials ensure durability.
Meets rigorous safety standards.

Main Highlights

BSI STANDARD CERTIFIED - Sleep soundly with peace of mind knowing that our baby cot bed mattress meet rigorous British Safety Standards (BS EN 16890 and BS 7177) & all Mother Nurture cot bed mattress covers are also certified Oeko-Tex 100.
REVERSIBLE & WATER RESISTANT - Our Cosyquilt fabric mattress covers are easy to wipe down and are all water resistant. For spills or accidents, just unzip for easy removal & pop in washing machine. Our cot mattress is fully reversible.
FIRM & SUPPORTIVE - With our EcoLoft Fibre core baby will sleep soundly on our firm and supportive cot mattress. Our EcoLoft Fibre core is sustainably sourced from recycled materials, odour free, chemical free, 100% recyclable alternative to foam.
HYPOALLERGENIC & BREATHABLE - Our Mattress fibre core promotes natural air flow & temperature control. The hypoallergenic polypropylene quilted mattress cover & polyester fibre core keep allergens at bay, providing a safe & healthy sleep for baby.
MADE IN THE UK - Mother Nurture Cot Bed Mattresses are designed and manufactured by sleep experts. We are a trusted UK brand who are proud to and have been producing our mattresses In The UK for over 20 years.

Mother Nurture Eco Fibre Cot Bed Mattress (140 x 70 x 10 cm) Breathable Baby Cot Bed Mattress for Comfy Night’s Sleep, Reversible and Hypoallergenic with Removable Cover for Easy Clean, BSI Tested

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Why We Love It

Hypo-allergenic cover prevents allergies.
Eco-fibre core ensures comfort.
Certified for highest safety standards.

Main Highlights

BSI STANDARD CERTIFIED: Sleep soundly with peace of mind knowing that our baby cot bed mattress meets rigorous British Safety Standards (BS EN 16890 and BS 7177) & all Mother Nurture cot bed mattress covers are also certified Oeko-Tex 100.
HYPOALLERGENIC & BREATHABLE: Our Mattress fibre core promotes natural air flow & temperature control. The hypoallergenic polypropylene quilted mattress cover & polyester fibre core keep allergens at bay, providing a safe & healthy sleep for baby.
REVERSIBLE & WATER RESISTANT: The Kidtech cover is water resistant, making it simple to wipe down to keep clean. In the event of accidents or spills, the cover can be removed and washed in a washing machine. No stress, no worries.
THE PERFECT FIT: Our Mother Nurture Essential Eco Fibre Cot Mattresses offer a perfect fit every time. Designed to fit any standard sized Toddler Cot Beds & Travel Cots there will always be a great snug fit - no amount of wriggling will dislodge it!
FIRM & SUPPORTIVE COT MATTRESS: Our fantastic Toddler Mattress (140 x 70) has an eco-fibre core to cradle your baby with cloudlike comfort. They’ll get all the comfort they need for a peaceful night’s sleep - and when they sleep well, you sleep well!
MADE IN THE UK: All Mother Nurture mattresses have been designed and manufactured by our team of highly-trained sleep experts, right here in the UK. Quality materials, expert design and thorough testing - all done on our UK site. Built to last.
20 YEARS OF PEACEFUL NIGHTS: We have been helping babies and children drift off to sleep for over 20 years. Whether you need a moses, crib, travel cot or cot mattress, we’ve got everything for a comfy & cosy night’s sleep.

Snug, allergy-free haven.
Rigorous safety checks.
Breathable, temperature-regulated sleep.

Main Highlights

GENTLE SLEEP ENVIRONMENT: The TWINKLE SLEEP Baby Cot Mattress offers a snug, allergy-free haven for your baby. Wrapped in a soft Kidtech cover, it ensures a soothing touch against delicate skin. The heart of the mattress uses an eco-fibre core to provide firm support that’s both comforting and sustainable, free from harmful chemicals and fully recyclable.
SAFEGUARDED, UK CRAFTSMANSHIP: Every mattress is designed, tested, and made in the UK, adhering to the strictest standards for safety, including rigorous checks for flammability and quality. Sleep easy knowing your baby’s mattress is built for safety and will stand the test of time, offering peace of mind for over 20 years.
STAY COOL ALL NIGHT: Engineered with temperature regulation in mind, our mattress features micro-pore breathable fabric paired with an open fibre core. This combination works harmoniously to maintain a cool and comfortable sleeping temperature, ensuring your baby rests well throughout the night.
BUILT TO FIT AND LAST: Durably constructed and meticulously hand-sewn, this mattress fits a variety of cots and beds, catering to all the popular brands and models. It’s designed to grow with your child from newborn to toddler (0-48 months), featuring a removable and washable cover that simplifies cleaning and upkeep. All covers are delivered inside out for hygiene purposes, and covers will need to be unzipped and fitted correctly to the mattress.
ECO-CONSCIOUS COMFORT: Our mattress invites your baby to sleep on a cloud of comfort. The ventilated design promotes a breathable sleep experience, with a cover that's easy to care for—machine washable at 60 degrees to ensure it remains fresh and hygienic. Rotate head-to-toe every week for the first 6 weeks, and then rotate every 6 weeks thereafter to maintain shape & comfort.

Foam & Upholstery Warehouse

Toddler Cot Mattress Eco Fiber 140 x 70 x 10 cm – Baby Cot Bed Mattress – Quilted Breathable & Anti-Allergenic Polycotton Cover – Firm Foam Support, Removable Cover – UK Made

Why We Love It

Compatible with popular brands.
Firm support for restful sleep.
Hypoallergenic materials for sensitive skin.

Main Highlights

Compatible with Popular Brands – Designed to fit travel cots and toddler beds from top brands like Red Kite, Hauck, Graco, Joie, Chicco, IKEA, Mamas & Papas, and more. Choose the size that fits your baby's cot perfectly.
Firm & Supportive Foam Core – Built with high-density foam that offers firm support for your baby’s developing back, neck, and spine. Promotes a safe, restful sleep every night.
Quilted, Breathable Polycotton Cover – The soft-touch polycotton outer layer is quilted for added comfort and allows airflow to help regulate your baby's temperature during sleep.
Anti-Allergenic & Baby Safe – Crafted with hypoallergenic materials that are gentle on sensitive skin. Free from harmful chemicals. Ideal for newborns, infants, and toddlers.
UK Made with Quality You Can Trust – Manufactured in the UK to meet high safety and quality standards. Durable, lightweight, and easy to handle – built to last through everyday use.

iSTYLE MODE BETTER HOME CHOICE

iSTYLE MODE BETTER HOME CHOICE Baby Toddler Cot Bed Fully Breathable Foam Mattress & Waterproof Zipped Removable Washable Cover, Anti Allergy, White (140 x 70 x 5 cm)

Why We Love It

Machine washable for easy care.
Hypoallergenic and chemical-free.
Waterproof liner for protection.

Main Highlights

The outer cover of this product is constructed entirely of hypoallergenic polyester, which effectively regulates the temperature to ensure the baby remains cool or warm, depending on the ambient weather. Additionally, this product is designed to be compatible with standard baby cot & cotbeds.
This product is designed to provide ongoing support for your baby as they grow. The use of nursery grade foam ensures that your baby is cradled in a safe and secure manner, promoting optimal sleep conditions.
The Cot bed toddler mattress offered by iStyleMode is designed for optimal hygiene and comfort. It is machine washable at a temperature of 40 degrees and can be tumble dried for added softness. This feature ensures that the bedding remains clean and hygienic for your toddler's use.
This product is equipped with an a water resistant liner base, which provides added protection against leaks and spills. This feature ensures that the surface remains clean and hygienic, providing a safe and comfortable environment for the user.
This product is proudly designed, tested, and manufactured at our facility located in the United Kingdom.
Our Breathable Cot Bed Mattress is Hypo-allergenic, 100% Chemical & Foam Free, Reversible and has a waterproof liner which prevents liquids from penetrating to the core of the mattress.

Foam & Upholstery Warehouse

Quilted Eco Fibre Cot Bed Mattress - Hypoallergenic Baby Mattress with Removable & Breathable Cover - Easy Clean, Firm & Supportive - Compatible with Mamas & Papas & More - Made in UK 140 x 70 x 10cm

Why We Love It

Snug and secure fit.
Soft and breathable comfort.
Universal fit compatibility.

Main Highlights

Perfect Fit Guarantee: Specially designed to complement Mamas and Papas Cot Bed Size 400, our mattress measures Cot Mattress 140 x 70 x 10 cm, ensuring a snug and secure fit for optimal comfort and safety.
Soft, Breathable Comfort: Our cot bed mattresses offer unparalleled softness and breathability, featuring eco-friendly design, air permeability, and an anti-dust mite luxury hypoallergenic quilted cover that's easy to remove and machine washable, ensuring a comfortable sleep for babies aged 0-48 months.
Universal Fit & Versatile Use: Designed with universal compatibility in mind, our mattresses fit a wide range of cot and toddler bed mattress, including popular brands like Mamas and Papas, John Lewis, Mothercare, Redkite, and Graco. They provide a perfect fit for most standard travel cots, making them ideal for both home and travel use.
Safety and Quality Assurance: Crafted with 25-28 grade safe baby foam and meeting British Bedding Standards Part 10 as well as Fire Safety Standards, our mattresses are made in England to ensure your baby's safety and comfort. They also comply with BS7177:2008, reflecting our commitment to high safety and quality standards.
Eco-Friendly and Hygienic: Our mattresses are designed with your baby's well-being and the environment in mind. The removable Polycotton cover is soft, durable, and easy to clean, enhancing hygiene and ease of maintenance. Plus, our eco-conscious packaging reduces carbon emissions, supporting sustainability.
Optimal Sleep Environment: Featuring a quilted top layer for extra comfort and support, controlled temperature regulation through a 100% hypoallergenic polyester outer cover, and a breathable fabric cover that promotes natural airflow, our mattresses ensure a restful sleep for your baby, keeping them cool or warm depending on the weather, without any discomfort or red rashes.

Baby Cot Bed Mattress with Quilted Removable Washable Cover 140 x 70 x 5 cm, HQ Foam Extra Thick & Super Soft Quality - Made in UK

Why We Love It

Super soft for ultimate comfort.
Cradles baby's body perfectly.
Removable cover for easy cleaning.

Main Highlights

● ✅ ● Super Soft High Quality Foam Mattress is designed to provide ultimate comfort for your little one
● ✅ ● Our High Quality Foam Mattress gives comfortable night sleep, cradling your baby's body each time they move.
● ✅ ● Contours perfectly to your child's body for maximum comfort and reduced tossing and turning.
● ✅ ● Our Luxurious Quilted Cover is easily Removable, Washable at 40 Degree.
● ✅ ● MADE IN UK

iSTYLE MODE BETTER HOME CHOICE

iSTYLE MODE BETTER HOME CHOICE Baby Toddler Cot Bed Fully Breathable Foam Mattress & Waterproof Cover (140 x 70 x 10)

Why We Love It

Comfort. Breathability. High Quality.

Main Highlights

BREATHABLE NURSERY-GRADE FOAM – Made from fully breathable open-cell nursery-grade foam that offers the ideal balance of firmness and comfort to support healthy posture and deep, restful sleep.
HYPOALLERGENIC & BABY-FRIENDLY – Crafted with gentle, skin-safe materials to reduce the risk of allergies and irritation, making it perfect for sensitive babies or those prone to asthma.
WATER-RESISTANT & WASHABLE COVER – Includes a soft quilted cover that is water-resistant and easily removable. Machine washable at 40°C to maintain a clean and hygienic sleep environment.
DURABLE, SUPPORTIVE & TEMPERATURE REGULATING – The breathable foam promotes airflow to prevent overheating while maintaining shape and full-body support as your child grows from infant to toddler.
SAFELY MADE IN THE UK – Proudly manufactured in the UK for over 10 years, complying with BS1877: Part 10 safety standards and using trusted, quality-controlled materials for your peace of mind.

8.7

Excellent

We scanned 1953 products

We reviewed these offers relevant to the Baby Cot Bed Mattress 140 X 70cm within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Sleepy Owl, Tutti Bambini, Mother Nurture, Twinklesleep, Foam & Upholstery Warehouse, iSTYLE MODE BETTER HOME CHOICE, FOXCUP, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Baby Cot Bed Mattress 140 X 70cm in the market, we considered we took a deep dive into 9766 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Sleepy Owl Baby Cot Bed Mattress - Anti Allergy & Waterproof, Zipped, Removable Mattress, Washable Cover - 70x140x7 cm. We love many things about this product by Sleepy Owl. What sets it apart from the competition is High quality and breathable foam. , Hypoallergenic for healthy sleep. , Water repellent for added protection. .
The best value product for most shoppers and where user satisfaction is continuously the highest is Tutti Bambini Essentials Fibre Cot Mattress 140 x 70 cm - Hypoallergenic, Breathable & Water-Repellent Cot Bed Mattress, 100% Dent-Resistant Polyester Fibre Toddler Bed Mattress & Travel Cot Mattress by Tutti Bambini based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Baby Cot Bed Mattress 140 X 70cm and the best cost-to-value ratio is iSTYLE MODE BETTER HOME CHOICE Baby Toddler Cot Bed Fully Breathable Foam Mattress & Waterproof Cover (140 x 70 x 10)at iSTYLE MODE BETTER HOME CHOICE with a % discount.
Our list of the best Baby Cot Bed Mattress 140 X 70cm is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Baby Cot Bed Mattress 140 X 70cm in The UK

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We scanned 1953 products

We concluded that: