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Home › Double Mattresses - 4ft 6 Mattresses › Page 2

Double Mattresses - 4ft 6 Mattresses

Our double mattresses measure 4ft 6 inches wide and 6ft 3 inches long or 135cm by 190cm. Their size makes them ideal for couples sharing a bed in a double bedroom, leaving plenty of space to get comfortable. We offer a wide variety of double mattresses, from memory foam double mattresses to pocket sprung double mattresses and more. We also offer a range of small double mattresses for those in need of a slightly narrower mattress. Browse our full range of 4ft 6 mattresses below.

  • Price: —

65 products

  • Midnight Mattress

    Midnight Mattress

    From £948 Original price was: £948.£379Current price is: £379.20.
    Order Now and Get by February 9, 2026
  • Flora Care Mattress

    Flora Care Mattress

    From £1365 Original price was: £1365.£1024Current price is: £1023.76.
    Order Now and Get by February 23, 2026
  • Kelmscott 4524 Mattress

    Kelmscott 4524 Mattress

    From £1554 Original price was: £1554.£1166Current price is: £1165.50.
    Order Now and Get by January 29, 2026
  • Melbury Mattress

    Melbury Mattress

    From £1080 Original price was: £1080.£540Current price is: £540.
    Order Now and Get by February 9, 2026
  • Ironstone Mattress

    Ironstone Mattress

    From £920 Original price was: £920.£644Current price is: £644.
    Order Now and Get by February 9, 2026
  • Morion Mattress

    Morion Mattress

    From £970
    Order Now and Get by February 9, 2026
  • Ocean Care Mattress

    Ocean Care Mattress

    From £1515 Original price was: £1515.£1136Current price is: £1136.26.
    Order Now and Get by February 23, 2026
  • Earth Care Mattress

    Earth Care Mattress

    From £1137 Original price was: £1137.£853Current price is: £852.76.
    Order Now and Get by February 23, 2026
  • Hinton Mattress

    Hinton Mattress

    From £1400 Original price was: £1400.£700Current price is: £700.01.
    Order Now and Get by February 9, 2026
  • Ruby Mattress

    Ruby Mattress

    From £1245 Original price was: £1245.£996Current price is: £996.
    Order Now and Get by February 9, 2026
  • Nova Comfort Mattress

    Nova Comfort Mattress

    From £885 Original price was: £885.£620Current price is: £619.50.
  • Nova Ortho Mattress

    Nova Ortho Mattress

    From £951 Original price was: £951.£666Current price is: £665.70.
  • Deluxe Natural Mattress

    Deluxe Natural Mattress

    From £2300 Original price was: £2300.£1150Current price is: £1150.01.
    Order Now and Get by February 9, 2026
  • Snooze Rest Mattress

    Snooze Rest Mattress

    From £480 Original price was: £480.£360Current price is: £360.
    Order Now and Get by February 23, 2026
  • Pearl Mattress

    Pearl Mattress

    From £816
  • Amber Mattress

    Amber Mattress

    From £710 Original price was: £710.£355Current price is: £355.
    Order Now and Get by February 9, 2026
  • Garnet Mattress

    Garnet Mattress

    From £890 Original price was: £890.£445Current price is: £445.
    Order Now and Get by February 9, 2026
  • Lolite Mattress

    Lolite Mattress

    From £980 Original price was: £980.£490Current price is: £490.
    Order Now and Get by February 9, 2026
  • Nectus Pure Soothe Mattress

    Nectus Pure Soothe Mattress

    From £1115 Original price was: £1115.£892Current price is: £892.01.
    Order Now and Get by February 23, 2026
  • Nectus Pure Serene Mattress

    Nectus Pure Serene Mattress

    From £1190 Original price was: £1190.£952Current price is: £952.01.
    Order Now and Get by February 23, 2026
  • Nectus Pure Support Mattress

    Nectus Pure Support Mattress

    From £1070 Original price was: £1070.£856Current price is: £856.01.
    Order Now and Get by February 23, 2026
  • Nova Soothe Mattress

    Nova Soothe Mattress

    From £885 Original price was: £885.£620Current price is: £619.50.
  • Nova Balance Mattress

    Nova Balance Mattress

    From £783 Original price was: £783.£548Current price is: £548.10.
    Order Now and Get by February 9, 2026
  • Aura Essence Mattress

    Aura Essence Mattress

    From £1138 Original price was: £1137.50.£796Current price is: £796.25.
    Approximate Delivery Time: 1 - 2 Weeks

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What size is a double mattress?

A double mattress measures 4 feet 6 inches wide (135cm) and 6 feet 3 inches long (190cm). They are designed to sleep two people comfortably, but can also be used by individuals who are looking to stretch out a bit more in bed. Our double mattresses come in a variety of different depths and weights depending on the type of mattress you choose.

Are all double mattresses the same size?

The length and width of a double mattress is consistent across all brands / types of double mattress, however the depth of the mattress may differ. It is also possible to purchase a small double mattress which is slightly narrower as 4ft wide compared to a double mattress being 4ft 6 wide.

Will a double mattress fit a small double bed?

While a double mattress will fit on a small double bed frame or divan, the mattress will stick out by 3 inches each side of the frame as a double mattress is 6 inches wider than a small double mattress / bed. For the ultimate comfort, it is recommended that you use the correct bed size with your chosen mattress.

How many springs should a double mattress have?

The number of pocket springs used in a pocket sprung double mattress will vary depending on the brand, quality and design of the mattress, however it is recommended that double mattresses have a bare minimum of 600 pocket springs. All of our pocket sprung double mattresses contain a minimum of 1,000 pocket springs, with our higher end ranges containing up to 35,000 pocket springs.

How much does a double mattress cost?

The price of your double mattress will vary depending on the comfort level, quality, materials used and more. At Sussex Beds, our double mattresses start at around £229.99.

Buy 4ft 6 mattresses and more with Sussex Beds

Browse our full range of double mattresses online or check out our double divan beds and double divan bases. UK delivery, assembly service and disposal of existing furniture services available.

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Sussex Beds

Sussex Beds™ is a true independent family business and this is immediately obvious with its warm welcome & relaxed shopping experience. Our team are fully trained to guide you in finding a quality bed that meets your specific needs.

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