/* @jsxRuntime classic */
/* @jsx mdx */


function objectWithoutProperties (obj, exclude) { var target = {}; for (var k in obj) if (Object.prototype.hasOwnProperty.call(obj, k) && exclude.indexOf(k) === -1) target[k] = obj[k]; return target; }
const makeShortcode = name => { return function MDXDefaultShortcode(props) {
      console.warn("Component " + name + " was not imported, exported, or provided by MDXProvider as global scope")
      return mdx( 'div', props)
    }; };
const Image = makeShortcode("Image");
const ReadMore = makeShortcode("ReadMore");
const Link = makeShortcode("Link");
const layoutProps = {
  
};
const MDXLayout = "wrapper"
function MDXContent(ref) {
  var components = ref.components;
  var rest = objectWithoutProperties( ref, ["components"] );
  var props = rest;

  return mdx( MDXLayout, Object.assign({}, layoutProps, props, { components: components, mdxType: "MDXLayout" }),
    mdx( Image, { 'image-src': "/content/banners/mattressonline/King-Size-January23-Category.jpg", alt: "King Size Mattresses - up to 55% off in our January Sale", loading: "eager", width: [1200], height: [400], mdxType: "Image" }),
    mdx( 'h1', null, `King Size Mattresses` ),
    mdx( ReadMore, { capLines: "6", mdxType: "ReadMore" },
      mdx( 'p', null, "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 '", mdx( Link, { href: "/advice/what-mattress-size-do-i-need", mdxType: "Link" }, "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." ),
      mdx( 'p', null, "These ", mdx( Link, { href: "/Shop/Mattresses-C136/", mdxType: "Link" }, "mattresses"), " are the perfect size for couples and those looking for more sleeping space. Our affordable range includes ", mdx( Link, { href: "/Shop/Memory-Foam-Mattresses-C140/", mdxType: "Link" }, "memory foam"), ", ", mdx( Link, { href: "/Shop/Pocket-Sprung-Mattresses-C139/", mdxType: "Link" }, "pocket sprung"), " and ", mdx( Link, { href: "/Shop/Orthopaedic-Mattresses-C142/", mdxType: "Link" }, "orthopaedic options"), ", plus many more." ),
      mdx( 'p', null, "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." ),
      mdx( 'p', null, "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!" )
    )
    );
}
;
MDXContent.isMDXComponent = true;


return React.createElement(
    MDXProvider,
    {components},
    React.createElement(MDXContent, props)
)


Silentnight

Sleepeezee

Sealy

Hypnos

Harrison Spinks

Millbrook Beds

Emma

TEMPUR

Simba

Relyon

SleepSoul

Rest Assured

Layezee

Luna

Mattress Online

Elle Decoration

Novo

Mlily

Horizon

Bedroom Basics

Jay-Be

Romantica

Casper

Bodyshape

Dunlopillo

Mammoth

Shire Beds

Protect A Bed

Time Living

Vogue

Flintshire Furniture

Friendship Mill

<img src="/content/banners/mattressonline/december_deals_w1_dec23_category.webp" alt="December Deals - Up to 50% off RRP on Silentnight, Sealy, Sleepeezee and more!" loading="eager" width="1200" height="400" />


<h1>Sale</h1>
Our December Mattress Deals have returned! With up to 50% off RRP, Free Next Day Delivery to most locations and our <a href="/mattress-online-comfort-trial">60-Night Comfort Trial </a>, you can enjoy a hassle-free shopping experience this December. With every mattress purchase, we also offer a <a href="/Recycling">mattress recycling service</a> if you need to dispose of your current mattress! Don't miss out, these deals end midnight, Sunday 10th December!

Browse our top mattress deals from premium brands such as <a href="/Shop/Silentnight-Mattresses-and-Divan-Beds-C173/">Silentnight</a>, <a href="/Shop/Sealy-Mattresses-and-Divan-Beds-C185/">Sealy</a> and <a href="/Shop/Hypnos-C666/">Hypnos</a>.

DECEMBER DEALS

Shop from our biggest brands!

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sizes

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firmness

Brand

Price

BlackFriday2021ExtendedPart2

CyberMonday2021

BlackFriday2021Extended

BlackFriday2021

BlackNovember2021Week2

ExtendedBestSellersEventJuly2020

BestSellersEventJuly2020

Mammoth Rise Plus Ortho Mattress

mammoth-performance-special-22-mattress

delivery-methods

JanuaryWeek1Deals2022

ExtendedBoxingDaySale2021

BoxingDaySale2021

EarlyBoxingDay2021

BlackNovember2021Week1

ExtendedAugBankHoliday2020

AugBankHoliday2020

Mammoth Rise Ultimate Mattress

mammoth-original-supersoft-mattress

DecemberDeals2021

BlackNovember2021Week3

Mammoth Rise Essential 1000 Pocket Mattress

mammoth-performance-pocket-1600-mattress

Relyon Prairie 1000 Pocket Mattress

relyon-prairie-1000-pocket-mattress

Relyon Cerrado 1000 Pocket Pillow Top Mattress

relyon-cerrado-1000-pocket-mattress

Relyon Leano Wool 1000 Pocket Mattress

relyon-leano-1000-pocket-mattress

King Size Mattresses - MattressOnline

COMFORT_TRIAL

USE_FEEFO

SHOW_SEARCH_SUGGESTIONS

/Product/SleepSoul-Balance-800-Pocket-Memory-Mattress-P1412

/Product/Bodyshape-Ortho-Memory-Foam-Mattress-P1771

/Product/Bodyshape-Value-Memory-Mattress-P1763

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Size (1)King Size

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Brand

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Mammoth Rise Plus Ortho Mattress

Mammoth Rise Ultimate Mattress

Mammoth Rise Essential 1000 Pocket Mattress

Relyon Prairie 1000 Pocket Mattress

Relyon Cerrado 1000 Pocket Pillow Top Mattress

Relyon Leano Wool 1000 Pocket Mattress

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Mammoth Rise Plus Ortho Mattress

Mammoth Rise Ultimate Mattress

Mammoth Rise Essential 1000 Pocket Mattress

Relyon Prairie 1000 Pocket Mattress

Relyon Cerrado 1000 Pocket Pillow Top Mattress

Relyon Leano Wool 1000 Pocket Mattress

Useful Links

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1