Our super king mattresses are designed to deliver maximum space, comfort and support for a better night’s sleep. A super king size mattress is the largest standard mattress available in the UK, making it ideal for couples who want extra room or anyone looking for a more luxurious sleep setup.
Whether you’re upgrading your master bedroom or replacing an old bed, our range of super king size mattresses offers a wide choice of comfort levels, materials and great value options.
We offer a wide selection of cheap super king mattresses that combine quality materials with excellent value. From memory foam to pocket sprung and orthopaedic designs, you can find a super king sized mattress that suits your comfort needs and your budget.
Turn your bedroom into a sanctuary of space and comfort with one of our luxurious super king size mattresses.
Each mattress is built for restful sleep, ultimate support, and that hotel-style comfort you can enjoy every night at home. Whether you share your bed or just love stretching out, our collection of 6ft mattresses gives you the space to sleep freely and wake completely refreshed.
1. The largest standard UK mattress size
At 6ft wide by 6ft 6in long, this mattress size offers all the space you could ever want. Perfect for couples who value room or solo sleepers who enjoy pure luxury.
2. Designed for comfort and support
Every mattress combines high-grade materials — from supportive pocket springs to body-hugging memory foam — to give you the right blend of softness and strength.
3. Ideal for master bedrooms
A super king bed makes a statement. Its generous width and length fill larger bedrooms beautifully, giving your space a look of elegance and comfort.
4. Made to last
Our mattresses are built to endure years of nightly use. Strong edge support, quality upholstery, and breathable fabrics keep your mattress in perfect condition for longer.
5. For couples who move differently
The extra width of a 6ft mattress means fewer disturbances from your partner’s movements, so both of you enjoy peaceful, undisturbed sleep.
The standard super king bed mattress size in the UK is 6ft x 6ft 6in (180 cm x 200 cm).
If you’re comparing in metric, that’s the official super king mattress in cm — the widest standard bed size available in the UK.
It’s perfect for:
If you’ve ever wished for more room to stretch, you’ll love what a can do for your sleep.
Super king size mattresses are ideal for those who want the ultimate in space and comfort. Designed to fit 6ft beds, they provide more room than any other standard mattress size, helping you sleep more comfortably without disturbance.
Super king mattresses are perfect for larger bedrooms, couples who value space, and anyone looking for a premium sleep experience.
Our collection of mattresses includes every style you could want:
Whatever your preference, every product in our range is designed to keep your spine aligned and your nights restful.
Each mattress is designed for comfort, quality, and style — a true investment in better sleep.
A standard super king size mattress measures 6ft wide by 6ft 6" long (180cm x 200cm). This extra width makes it the ideal choice for those who want more freedom of movement while sleeping.
When choosing a super king mattress, ensure your bed frame or divan base is designed to match these dimensions for the best fit.
What size is a super king mattress?
The size is 6ft wide by 6ft 6in long (180 cm x 200 cm).
Are super king mattresses suitable for all beds?
Yes. They fit all standard 6ft bed frames and divan bases.
What’s the difference between a king and a super king mattress?
A super king is 6ft wide compared to the 5ft width of a standard king.
Do these mattresses come in memory foam?
Absolutely. We offer several super king memory foam mattresses that mould to your body for incredible comfort.
Is a super king mattress worth it?
Yes. The extra space of a 6ft mattress offers comfort, movement freedom, and better sleep quality — especially for couples.
What is the size in cm?
It measures 180 cm wide by 200 cm long, the largest standard UK mattress size.
Are these mattresses heavy?
They can be, but all our mattresses come with integrated handles for easy rotation.
Upgrade to a super king and experience sleep without limits.
Whether you want a pocket-sprung design, a plush memory-foam feel, or an affordable hybrid option, you’ll find the perfect mattress right here.
Every mattress we sell is made with premium materials and built to stand the test of time — so you can enjoy luxury sleep every night.
Browse our full collection of 6ft mattresses today and discover the comfort you’ve been missing.