Best Mattress for Baby: Top Cot and Crib Mattresses in the UK

Choosing the right mattress for your baby is essential for safe, comfortable sleep. This guide highlights five well-regarded options available in the UK, focusing on firm support, hypoallergenic materials, and easy maintenance. Each product page links to the Amazon listing for quick comparison, while the buying guide at the end helps you weigh safety, size, and care requirements.

Product Size / Type Core Cover Why It’s Notable
Toddler Cot Mattress Eco Fiber 120 x 60 x 10 cm High-density foam Quilted polycotton Compact, firm support for toddlers and travel cots
Mother Nurture Classic Eco Fibre Cot Bed Mattress 140 x 70 x 10 cm EcoLoft Fibre Cosyquilt, reversible BSI certified, water resistant, recycled core
Mother Nurture Classic Eco Fibre Cot Bed Mattress 140 x 70 x 13 cm EcoLoft Fibre Cosyquilt, reversible Firm, supportive with breathability
Crescent Textile Next to Me Bedside Crib Mattress 83 x 50 x 5 cm Supportive foam layer Soft, breathable cover Designed for Chicco Next to Me bedside crib
iSTYLE MODE BETTER HOME CHOICE Cot Bed Mattress 140 x 70 x 10 cm Breathable foam Waterproof and washable Hypoallergenic with easy care

Note: All products listed are suitable for UK-based use and designed to offer firm, supportive surfaces while keeping maintenance practical for busy households.

Firm Toddler Cot Mattress 120×60

Toddler Cot Mattress Eco Fiber 120x60 image

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This compact cot mattress is built for small spaces and travel cots, offering a firm, high-density foam core designed to support developing backs, necks, and spines during nightly rest. The quilted polycotton cover enhances softness and breathability, helping regulate baby temperature across sleep cycles. Compatibility is broad, with designs that fit popular travel cots and toddler beds from major brands. The cover is removable for occasional washing, supporting easy maintenance in family homes.

Firm 140×70 Cot Bed Mattress

Mother Nurture Classic Eco Fibre Cot Bed Mattress image

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The Mother Nurture Classic Eco Fibre cot bed mattress combines a sustainable EcoLoft Fibre core with a reversible, water-resistant Cosyquilt cover. This setup delivers a firm and supportive sleeping surface, with odour-free and chemical-free materials. It is certified to British safety standards (BS EN 16890 and BS 7177) and uses recycled content, offering an eco-friendly option without compromising support. The reversible design allows easy cleaning, making it practical for busy households that prioritise hygiene.

Firm 140×70 Cot Bed Mattress 13cm

Mother Nurture Eco Fibre Cot Bed Mattress 13cm image

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This slightly thicker option from Mother Nurture offers robust support with an EcoLoft Fibre core, designed for deeper sleep. The polyester-cosy quilted cover remains water-resistant, enabling straightforward wipe-downs between naps and messes. The mattress is stated to be odour-free and chemical-free, with a emphasis on recyclability. Like the 10 cm variant, it aligns with UK safety standards and provides a strong, breathable sleep surface for growing babies.

Next To Me Bedside Crib Mattress

Crescent Textile Next to Me Bedside Crib Mattress image

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Specially designed to fit the Chicco Next to Me bedside crib, this mattress provides a 5 cm thick, soft and supportive sleeping surface. It emphasizes a protective plush sleeping surface and antimicrobial, anti-allergen properties to help maintain a clean sleep environment as your baby grows. The foam layer supports proper posture in the newborn’s back and neck and remains compatible with standard crib sizes for extended use.

Hypoallergenic 140×70 Cot Bed Mattress

iSTYLE MODE Better Home Choice Mattress image

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The iSTYLE MODE Better Home Choice cot bed mattress focuses on hypoallergenic properties, a breathable foam core, and a waterproof, easy-to-clean cover. It is designed for machine washing at moderate temperatures and aims to provide a safe sleep surface free from common allergens. Its construction supports both infants and toddlers, with emphasis on simplicity of care for families managing busy schedules while prioritising baby comfort.

Buying Guide

Key considerations when choosing a baby mattress include size compatibility, firmness, and safety standards. For cot beds, ensure the mattress size matches the bed frame to minimise gaps that could pose safety risks. A firm, supportive core is recommended for infant sleep to promote proper spine and neck alignment, with a breathable, washable cover to help regulate temperature and reduce moisture buildup.

  • Safety standards: Look for BS EN 16890 and BS 7177 certifications where applicable, as well as Oeko-Tex 100 if available, to minimise chemical exposure and allergen risks.
  • Core material: High-density foam or EcoLoft Fibre cores provide firm support; avoid overly soft surfaces that could increase the risk of suffocation.
  • Cover and maintenance: Removable, washable covers simplify cleaning after spills, accidents, or nighttime leaks. Water-resistant covers are particularly helpful for cot mattresses.
  • Breathability: Pores and quilted designs promote air flow, reducing heat buildup and helping regulate baby temperature at night.
  • Longevity and eco considerations: Some mattresses use recycled or eco-friendly materials. Consider whether you prefer a reversible option for longer use and easy cleaning.
  • Budget vs. value: While prices vary, prioritize safety and durability—investing in a well-reviewed, correctly sized mattress often yields better long-term value than cheaper, ill-fitting options.

Prices and availability may vary by retailer. Always check current product specifications for exact dimensions and care instructions before purchasing to ensure a correct fit for your baby’s cot or crib.