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In the UK, a super king mattress measures 180cm wide by 200cm long (approximately 6ft wide by 6ft 6in long). It’s the largest standard mattress size, offering plenty of space for couples or anyone who likes to stretch out during the night. The extra width and length provide enhanced comfort and support, making it a popular choice for larger bedrooms and those wanting a more luxurious sleeping area.

We stock a wide range of super king mattresses to suit different sleep styles and comfort preferences. Our collection includes pocket spring mattresses for tailored support, memory foam and hybrid designs for pressure relief, and natural options with wool or cotton for breathability. You can choose from various firmness levels, from soft to firm, to match your body shape and sleeping position. Many models use high-quality materials to ensure durability, comfort, and a great night’s sleep, making it easy to find the perfect mattress for your super king bed.

Yes, many of our super king mattresses come with a sleep trial, giving you time to make sure it’s the perfect choice for your comfort and support needs. This allows you to try the mattress at home and experience its firmness, pressure relief, and overall feel during your normal night’s sleep. If it’s not right for you, you can arrange a return or exchange within the trial period. Full details, including length and conditions, are shown on each product page.

Super King Mattresses

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