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Home › Buying Guides & Advice › What Is the Largest Size Mattress?
Choosing the right mattress size is just as important as picking the right comfort and support. A mattress that’s too small can lead to restless nights, while one that’s too big for the room can overwhelm your space. In the UK, mattresses come in a range of standard sizes, with the super king being the largest option widely available. Here’s a breakdown of each size and what it’s best suited for.
A small single mattress is ideal for children’s bedrooms, box rooms or guest spaces where floor space is limited. Measuring just 75 cm wide, it offers a compact solution while still giving a child or smaller sleeper enough room to rest comfortably.
Our top 3 Small Single best sellers are the…
Classic Essential
Nova Soothe
Classic Pocket
The standard single mattress provides a little more width than the small single, making it suitable for teenagers, solo adults, or smaller rooms. It’s also a popular choice for guest beds and day beds, offering enough sleeping space without dominating the room.
Our top 3 Single best sellers are the…
Classic Cashmere
Gel Essence Comfort
Kelmscott
Sometimes called a “three-quarter” bed, a small double gives more room than a single but is slightly narrower than a full double. It’s a good choice for solo sleepers who like extra space, or for couples who only occasionally share the bed. It works well in compact bedrooms where a full double might feel tight.
Our top 3 Small Double best sellers are the…
Burley
Aura Essence
A double is the traditional choice for couples and one of the most common mattress sizes in UK homes. At 135 cm wide, it provides a balance between space for two people and efficient use of floor area. However, taller or broader sleepers may sometimes find a double restrictive.
Our top 3 Double best sellers are the…
Ocean Care
A king size mattress is both wider and longer than a double, offering more personal space for each sleeper and extra legroom for taller individuals. It’s a popular upgrade for couples who want more comfort, particularly if one partner moves around during the night. A king size also works well in larger bedrooms where a double may feel too small.
Our top 3 King best sellers are the…
Bamboo Tranquility
Bamboo Nurture
Flora Care
The largest standard size mattress available in the UK, the super king is the ultimate in sleeping space. At a full 180 cm wide, it allows couples to stretch out without disturbing each other and offers hotel-level luxury at home. Super king mattresses are ideal for master bedrooms with enough space to accommodate the width and length comfortably.
Our top 3 Super King best sellers are the…
Bamboo Relaxation
Gosfield
The super king is the largest mattress size available in the UK, offering unparalleled space and comfort. However, the best mattress for you depends on more than just size, it also needs to suit your bedroom dimensions, budget and lifestyle. Whether you’re furnishing a child’s room, upgrading to a king for extra legroom, or indulging in the luxury of a super king, the right mattress size can transform the quality of your sleep.
We have mattresses in all sizes in stock ready for delivery in as little as 48 hours!
