King Size Mattresses

Explore king size mattresses made for family bedrooms or growing children. Spacious, supportive and crafted for lasting comfort and quality.

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Sleepeezee Wool Luxe 1200 MattressSleepeezee Wool Luxe 1200 Mattress
Delivery By: 15 September
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Sleepeezee Wool Luxe 1200 Mattress

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  • Added Side Support
  • Firmer Support
  • Natural Fillings
Sale price From £528.78
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Sleepeezee  Wool Luxe 3700 MattressSleepeezee  Wool Luxe 3700 Mattress
Delivery By: 15 September
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Sleepeezee Wool Luxe 3700 Mattress

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  • Added Side Support
  • Medium/Soft support
  • Natural Fillings
Sale price From £728.70
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Sleepeezee  Graphite Echo 4700 MattressSleepeezee  Graphite Echo 4700 Mattress
Delivery By: 15 September
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Sleepeezee Graphite Echo 4700 Mattress

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  • Added Side Support
  • Graphite Memory Foam
  • Non Turn
Sale price From £898.64
Soft
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Sleepeezee  Graphite Echo 3200 MattressSleepeezee  Graphite Echo 3200 Mattress
Delivery By: 15 September
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Sleepeezee Graphite Echo 3200 Mattress

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  • Added Side Support
  • Graphite Memory Foam
  • Non Turn
Sale price From £798.68
Soft
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Sleepeezee  Graphite Echo 2300 MattressSleepeezee  Graphite Echo 2300 Mattress
Delivery By: 15 September
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Sleepeezee Graphite Echo 2300 Mattress

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  • Added Side Support
  • Graphite Memory Foam
  • Medium Support
Sale price From £678.72
Medium
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Sleepeezee  ActivFlex Response 3600 MattressSleepeezee  ActivFlex Response 3600 Mattress
Delivery By: 15 September
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Sleepeezee ActivFlex Response 3600 Mattress

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  • Firmer support with ActivFlex 1600 design
  • Contouring ActivFlex™ Spring Foam comfort
  • Breathable Staycool™ Gel for cooler sleep
Sale price From £798.68
Medium Soft
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Sleepeezee  ActivFlex Response 2600 MattressSleepeezee  ActivFlex Response 2600 Mattress
Delivery By: 15 September
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Sleepeezee ActivFlex Response 2600 Mattress

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  • ActivFlex™ Spring Foam
  • Medium Support
  • Non Turn
Sale price From £748.70
Medium
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Sleepeezee  ActivFlex Response 1600 MattressSleepeezee  ActivFlex Response 1600 Mattress
Delivery By: 15 September
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Sleepeezee ActivFlex Response 1600 Mattress

No reviews

  • ActivFlex™ Spring Foam
  • Firmer Support
  • Non Turn
Sale price From £698.72
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Sleepeezee  Cool Refresh 3200 MattressSleepeezee  Cool Refresh 3200 Mattress
Delivery By: 15 September
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Sleepeezee Cool Refresh 3200 Mattress

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  • Added Side Support
  • Comfort Foam
  • Cool-Touch Surface
Sale price From £728.70
Medium Soft
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Sleepeezee  Cool Refresh 2300 MattressSleepeezee  Cool Refresh 2300 Mattress
Delivery By: 15 September
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Sleepeezee Cool Refresh 2300 Mattress

No reviews

  • Added Side Support
  • Cool-Touch Surface
  • Medium Support
Sale price From £648.74
Medium
Available in-store only
Nectar Premier Hybrid MattressNectar Premier Hybrid Mattress
Delivery By: 11 August
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Nectar Premier Hybrid Mattress

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  • Nectar Premier Hybrid
  • Mattress Sleep Support
  • Body Truly Temperature
Sale price From £598.76
Medium
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Sleepeezee  Cool Refresh 1600 MattressSleepeezee  Cool Refresh 1600 Mattress
Delivery By: 15 September
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Sleepeezee Cool Refresh 1600 Mattress

No reviews

  • Cool-Touch Surface
  • Firm/Extra Firm Support
  • Non Turn
Sale price From £578.76
Firm

King size mattresses deliver extra space and comfort that make a noticeable difference in how you and your child sleep. This collection features strong mattress cores, breathable covers and build quality designed to last through years of use. The generous surface area gives everyone room to stretch out, relax and enjoy a calm night. Whether you’re upgrading a child’s bed or choosing a mattress for a shared room, these options offer serious value and comfort.

With finishes that are easy to care for, materials chosen for durability and designs that fit modern homes, you can match this size to both your space and your lifestyle. You’ll find a variety of support levels, including firmer and plush-feel styles, so the mattress works for your child’s needs now and into their teenage years. Take your time comparing the collection and select a mattress that supports restful sleep, everyday use and a home that keeps pace with your family.

Frequently Asked Questions
The standard thickness of a kids' mattress is six to twelve inches. Because of their interior coil construction, hybrid and coil.
The standard dimensions of a toddler bed are about 140 cm in length and 70 cm in width, whereas the dimensions of a single bed are typically 190 cm in length and 90 cm in breadth.
The size of the bed depends on your child's age, the size of the bedroom, and future growth. Toddler beds are suitable for young children transitioning from cribs, while twin or full-size beds are more appropriate for older children or teenagers.
Standard Delivery is £5.99 for the UK Mainland. Next Working Day Delivery is £5.99 for in-stock items. Northern Ireland Delivery is £19.95. Mattresses Standard Delivery Charges are £9.99
We cannot amend the delivery address once your order has been processed and dispatched.