Mattresses

Mattresses

Cot & Cot Bed Mattresses UK – Safe, Supportive & Comfortable Baby Sleep

Discover our range of cot and cot bed mattresses at Baby Boutique UK — designed to support safe, restful sleep for newborns, babies and toddlers. Our collection includes firm, breathable and supportive mattresses that meet UK safety standards, helping create a calm, comfortable sleep environment from day one.

Whether you’re preparing a newborn nursery or upgrading to a cot bed, you’ll find high-quality baby mattresses that promote healthier sleep and long-term comfort.

Mattresses

Mattresses

Cot & Cot Bed Mattresses UK – Safe, Supportive & Comfortable Baby Sleep

Discover our range of cot and cot bed mattresses at Baby Boutique UK — designed to support safe, restful sleep for newborns, babies and toddlers. Our collection includes firm, breathable and supportive mattresses that meet UK safety standards, helping create a calm, comfortable sleep environment from day one.

Whether you’re preparing a newborn nursery or upgrading to a cot bed, you’ll find high-quality baby mattresses that promote healthier sleep and long-term comfort.

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Designed for Safe Baby Sleep

When choosing a cot or cot bed mattress, safety and support come first. Our baby mattresses are selected for:

✓ Firm, supportive sleeping surfaces (recommended for newborns)

✓ Breathable materials that help regulate temperature

✓ Snug fits for standard cot and cot bed sizes

✓ Durable construction for everyday use

These features support safe sleep routines throughout babyhood and toddler years.

Cot vs Cot Bed Mattress – What’s the Difference?

✔ Cot mattresses

Suitable from birth, typically used up to ~18–24 months depending on your cot size.

✔ Cot bed mattresses

Larger and designed for longer use, often through the toddler years as the cot converts into a bed.

Both types are available in standard UK sizes — and we can help you choose the right fit for your nursery furniture.

Comfort, Breathability & Practicality

Our mattresses are chosen for materials and features that matter to parents, including:

• Breathable covers

• Washable or wipe-clean surfaces

• Supportive cores for spinal comfort

• Firmness suitable for safe sleep

• Quality materials designed to last

Because a good night’s sleep starts with the right foundation.

Perfect for Newborns, Babies & Toddlers

Cot and cot bed mattresses can support your child from newborn through to preschool age (model dependent). Check individual product specifications for:

• Age suitability

• Mattress thickness

• Care instructions

• Sleep guidelines

If you’re unsure, our team can guide you.

Why Buy Cot & Cot Bed Mattresses from Baby Boutique UK?

✓ Trusted UK baby retailer

✓ Carefully selected mattresses for safety & comfort

✓ Suitable for newborns, babies & toddlers

✓ Clear sizing for cots & cot beds

✓ In-store advice & support available

✓ Nationwide UK delivery

We focus on mattresses that prioritise baby’s comfort and parent peace of mind.

Explore Our Cot & Cot Bed Mattress Collection

Browse our collection below to find the perfect mattress for your nursery setup. Whether you’re building a cot for a newborn or refreshing a cot bed for a growing toddler, you’ll find supportive, high-quality options you can trust.

👉 Need help choosing the right size or mattress type? Visit us in store or contact our friendly team for expert guidance.

FAQ — Mattresses

What type of mattress is best for newborns?

Newborns typically need a firm, supportive mattress with a breathable design and a snug fit in the cot. Foam, fibre and pocket-sprung options are all suitable when safety standards are met.

Are cot mattresses temperature regulating?

Some mattresses include breathable cores or cooling layers to help regulate temperature during sleep — helpful for babies who run warm or for seasonal changes.

Can I use a second-hand cot mattress?

It’s generally recommended to buy new for hygiene and safety reasons. If reusing, ensure it’s firm, clean, and has no impressions or damage.

Do cot mattresses come with washable covers?

Many cot and cot bed mattresses include removable, washable or wipe-clean covers for easier hygiene. Always check individual product descriptions for care instructions.

Do babies need a firm cot mattress?

Yes. A firm, supportive mattress is recommended for newborns and young babies as it helps support safe sleep. Soft mattresses can allow the baby to sink in, which is not considered safe for infant sleep.







Are cot bed mattresses suitable for newborns?

Yes — cot bed mattresses can be used from birth as long as the cot bed is set to the correct height and meets current safety standards. Many parents choose cot beds to save money and avoid multiple upgrades.





What size mattress do I need for my cot or cot bed?

Cot and cot bed mattresses typically follow UK standard sizes, but sizing can vary by brand. Always check your cot’s internal measurements to ensure a snug fit with no gaps larger than 3cm.





Are breathable baby mattresses safer?

Breathable materials help with temperature regulation and airflow, making sleep more comfortable. Breathability is a popular feature among modern baby mattress designs, especially for warm sleepers.







How long does a cot bed mattress last?

A cot bed mattress may last from newborn through to 4–5 years (model dependent). If reusing for a second baby, safety guidance recommends replacing if the mattress shows wear, sagging, or staining.