What's the best king size mattress?

Our best-selling budget king size mattress is the Silentnight Ortho Dream Star Miracoil Mattress . Our best-selling mid-range king size mattress is the Sealy Steeple Ortho Plus Mattress . Our best-selling high-end king size mattress is the TEMPUR ONE Firm Mattress .

Which types of king mattress are on offer?

We offer a wide variety of king size mattresses and each type of mattress has different benefits. Orthopaedic mattresses provide enhanced back care. Pocket sprung mattresses are traditional, supportive and comfortable. Hybrid mattresses provide the perfect blend of comfort and support layers. Memory foam mattresses give unique and unparalleled support. Pillow top mattresses add an extra cosy layer of luxury to your mattress. Natural mattresses are breathable help to regulate your body temperature.

What size is a queen size mattress?

‘Queen size’ is actually an American mattress size term, which is why you may struggle to find this size on UK mattress retailer sites. The closest mattress size to a queen would be the UK standard king size. King size mattresses are 150cm x 200cm (60 inches x 78 inches) and queen size mattresses are 152cm x 203cm (60 inches x 80 inches).

Can I buy a cheap king size mattress?

Yes, we offer huge savings on our king size mattresses so you can buy the perfect mattress no matter your budget.

Who should buy a king size mattress?

Anyone can buy a king size bed, whether you sleep alone or with a partner! They are the ideal centrepiece for any master bedroom.

Do you sleep better on a king mattress?

Our sleep expert, James Wilson, advises couples to invest in a larger king size bed if they can. This is because, in a double bed, you only has 65.7cm each to sleep on. That’s less room than a baby has in a 70cm wide cot bed!

What is the life of a king size mattress?

The lifespan of a king size mattress is 7 years - the same as every other type of mattress.

What size is a king size mattress in the UK?

A king size mattress measures 150cm x 200cm.

How big is a king size mattress?

A king size mattress is the second largest standard mattress size in the UK. The largest is a superking mattress .

Are there 2 sizes of king mattresses?

Yes, there are two UK standard sizes of king mattresses. These are the standard king size mattresses and superking mattresses .

Is a king mattress bigger than a queen?

No, king size mattresses are slightly smaller than queen size mattresses. Queen size mattresses measure 152xm x 203cm whereas king size mattresses measure 150cm x 200cm.

What is a good price for a king size mattress?

We’d suggest that anywhere between £400 and £600 is a good price range to shop for a king size mattress. This should guarantee you a high quality, luxurious night’s sleep from a household name brand.

King Size Mattresses - MattressOnline

Your home is your castle - so you deserve to sleep like royalty with our fantastic range of king size mattresses! Often mistaken for the US 'queen size', you'll have room to spare, so why not stretch out for a wonderful night's sleep on a new king size mattress.

These mattresses are the perfect size for couples and those looking for more sleeping space. Our affordable range includes memory foam, pocket sprung and orthopaedic options, plus many more.

If you are looking for a queen size mattress, then a king size mattress is the closest match you can find here in the UK. This is because the term ‘queen’ is an American mattress size, which is a few centimetres larger than a king mattress.

Get up to 50% off when you shop our in-stock king size mattresses, available now with Free Next Day Delivery. Many products include a complimentary Premium Delivery Upgrade to any room of your choice. Order your discounted king size mattress today and start sleeping in style - as early as tomorrow!