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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. 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: —

59 products

  • Burley Mattress

    Burley Mattress

    From £895 Original price was: £895.£716Current price is: £716.
    Order Now and Get by July 12, 2025
  • Emerald Mattress

    Emerald Mattress

    From £900 Original price was: £900.£720Current price is: £720.
    Order Now and Get by July 12, 2025
  • Gel Plush Comfort Mattress

    Gel Plush Comfort Mattress

    From £900 Original price was: £900.£720Current price is: £720.
    Order Now and Get by July 1, 2025
  • Nova Ortho Mattress

    Nova Ortho Mattress

    From £909 Original price was: £909.£727Current price is: £727.20.
  • Gel Plush Ortho Mattress

    Gel Plush Ortho Mattress

    From £936 Original price was: £936.£749Current price is: £748.80.
    Order Now and Get by July 1, 2025
  • Rockford Mattress

    Rockford Mattress

    From £1105 Original price was: £1105.£774Current price is: £773.50.
    Order Now and Get by July 12, 2025
  • Aura Essence Mattress

    Aura Essence Mattress

    From £1029 Original price was: £1029.£823Current price is: £823.20.
  • Earth Care Mattress

    Earth Care Mattress

    From £1092 Original price was: £1092.£874Current price is: £873.60.
    Order Now and Get by July 26, 2025
  • Aura Support Mattress

    Aura Support Mattress

    From £1134 Original price was: £1134.£907Current price is: £907.20.
  • Morion Mattress

    Morion Mattress

    From £925
    Order Now and Get by July 12, 2025
  • Bamboo Nurture 4000 Mattress

    Bamboo Nurture 4000 Mattress

    From £1167 Original price was: £1167.£934Current price is: £933.60.
    Order Now and Get by July 12, 2025
  • Aura Ortho Mattress

    Aura Ortho Mattress

    From £1239 Original price was: £1239.£991Current price is: £991.20.
  • Flora Care Mattress

    Flora Care Mattress

    From £1311 Original price was: £1311.£1049Current price is: £1048.80.
    Order Now and Get by July 26, 2025
  • Deluxe Natural Mattress

    Deluxe Natural Mattress

    From £2140 Original price was: £2140.£1070Current price is: £1070.
    Order Now and Get by July 12, 2025
  • Deluxe Comfort Mattress

    Deluxe Comfort Mattress

    From £1380 Original price was: £1380.£1104Current price is: £1104.
    Order Now and Get by July 12, 2025
  • Aura Cloud Mattress

    Aura Cloud Mattress

    From £1425 Original price was: £1425.£1140Current price is: £1140.
  • Deluxe Ortho Mattress

    Deluxe Ortho Mattress

    From £1665 Original price was: £1665.£1166Current price is: £1165.50.
    Order Now and Get by July 12, 2025
  • Ocean Care Mattress

    Ocean Care Mattress

    From £1458 Original price was: £1458.£1166Current price is: £1166.40.
    Order Now and Get by July 1, 2025
  • Bamboo Relaxation 6000 Mattress

    Bamboo Relaxation 6000 Mattress

    From £1494 Original price was: £1494.£1195Current price is: £1195.20.
    Order Now and Get by July 1, 2025
  • Kelmscott 4524 Mattress

    Kelmscott 4524 Mattress

    From £1524 Original price was: £1524.£1219Current price is: £1219.20.
    Order Now and Get by July 26, 2025
  • Forest Care Mattress

    Forest Care Mattress

    From £1626 Original price was: £1626.£1301Current price is: £1300.80.
    Order Now and Get by July 26, 2025
  • Hinton Mattress

    Hinton Mattress

    From £1310
    Order Now and Get by July 12, 2025
  • Wightwick 6024 Mattress

    Wightwick 6024 Mattress

    From £1785 Original price was: £1785.£1428Current price is: £1428.
    Order Now and Get by July 26, 2025
  • Bamboo Tranquility 8000 Mattress

    Bamboo Tranquility 8000 Mattress

    From £1818 Original price was: £1818.£1454Current price is: £1454.40.
    Order Now and Get by July 1, 2025

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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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