King Size Mattresses 5ft

Relax in luxurious comfort night after night with a superb king size mattress, beautifully designed and incorporating the latest sleep research. Choose from hand-tufted softness to body-cushioning memory foam and discover what a good night's sleep really means. Shop our range and find the best king mattress for you.

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  • Delivered in 21 days
    20% OFF
    Save £145
    Was £729 Sale £649 Extra Sale Offer £584

    Top to bottom and side to side, the Silentnight Mirapocket Serenity 2000 Memory mattress provides incredible comfort at a fantastic value price.

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  • Delivered in 28 days
    33% OFF
    Save £1561
    RRP £4760 Sale £3599 Bank Holiday Offer £3199
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, horse hair and cotton
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    Soft
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  • Delivered in 28 days
    33% OFF
    Save £1036
    RRP £3185 Sale £2399 Bank Holiday Offer £2149
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, bamboo and cotton
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  • Delivered in 28 days
    33% OFF
    Save £1216
    RRP £3715 Sale £2799 Bank Holiday Offer £2499

    Luxuriously indulgent, the British-made Vispring Devonshire mattress surrounds you in cosy comfort for a sleep sensation that’s just so relaxing.

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  • Delivered in 21 days
    21% OFF
    Save £90
    Was £449 Sale £399 Extra Sale Offer £359

    The Silentnight Mattress-Now 7 Zone memory foam roll up mattress offers an array of innovative features at an outstanding price.

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  • Delivered in 21 days
    22% OFF
    Save £135
    Was £629 Sale £549 Extra Sale Offer £494
    • Fantastic value Silentnight Mirapocket Serenity Ortho mattress
    • Edge-to-edge support means more sleep space with no ‘roll together’
    • Mirapocket technology with 1400 zoned pocket springs
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    Extra firm
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  • Delivered in 21 days
    51% OFF
    Save £1200
    Was £2399 Sale £1199
    • Superior pillow top mattress, handcrafted in the UK
    • Three tiers of individually pocketed springs
    • Three layers of sumptuous memory foam 
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  • Delivered in 21 days
    22% OFF
    Save £102
    Was £479 Sale £419 Extra Sale Offer £377
    • Fantastic value spring and memory foam mattress from Silentnight
    • Edge-to-edge support, more personal space, no ‘roll together’
    • Miracoil zoned spring system aligns your spine perfectly
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  • Delivered in 14 days
    Special Buy £549

    If you like the feel of a traditional mattress, you’ll love the Sleep Story Ortho Pocket 1000 mattress.

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  • Delivered in 28 days
    33% OFF
    Save £2736
    RRP £8485 Sale £6399 Bank Holiday Offer £5749
    • Luxurious 23cm mattress in a choice of three comfort levels
    • Wonderful support from 1440 vanadium steel springs
    • Springs, each with six coils, hand-nested in calico pockets 
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  • Delivered in 28 days
    32% OFF
    Save £1821
    RRP £5870 Sale £4499 Bank Holiday Offer £4049
    • Handcrafted mattress from Vispring perfectly suited to bedsteads
    • In soft, medium or firm comfort levels
    • All natural fillings include British fleece wool, horsehair, bamboo and cotton
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  • Delivered in 14 days
    Special Buy £1049

    Fall asleep with ease, and wake fully rested, with the luxuriously deep Sleep Story Pillow Pocket 3000 mattress.

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Choosing the right king size mattress

Luxuriate in the sumptuous comfort of a king size mattress. Offering an outstanding level of support as well as plenty of space to stretch out, our range of king size mattresses is fit for royalty. They're crafted by top brands so you can rest assured they're of the highest possible quality.

A variety of king size mattress fillings for customised comfort

Choose from hand-tufted or pocket sprung mattresses or discover the superbly soft feel of micro-quilted, memory foam and latex-topped mattresses. Whether you need zoned support, pressure-relieving comfort or optimum spinal alignment, our king mattresses are designed with the latest sleep technology and high-quality materials to give you the support and feel you need. If you're looking to add an extra touch of luxury to your king size mattress, why not try one of our mattress toppers that are designed to offer additional comfort? If you have the room, why not upgrade to a super king mattress? They’re even bigger than a king size mattress. Or, if a king mattress is just a little too big, our range of double mattresses is just as comfortable and offers the same great quality.

How to style a king size mattress

Browse our beautiful selection of bed frames to pair with your king size mattress - some of our bedroom ranges match bedsteads with coordinating chests of drawers or dressing tables. Or if you're looking for a space-saving solution, explore our beautiful king size ottoman beds. And what better way to complement your new king mattress and finish your bed than with luxurious bedding? Searching for more mattresses? Browse the rest of our fabulous collection here.