Firm King Size Mattresses

Showing 21–38 of 38 results

Hypnos Orthos Support 6 Extra Firm King Size Mattress

Hypnos Orthos Support 6 Extra Firm King Size Mattress Product Description The Hypnos Orthos Support 6 Extra Firm King Size Mattress is designed for those who favour a mattress with a firm feel. Tailored with a unique configuration of springs and natural fillings, this mattress provides robust back support and maintains spinal alignment, making it […]

£845.75

Hypnos Hadlow Firm King Size Mattress

Hypnos Hadlow Firm King Size Mattress Product Description The Hypnos Hadlow Firm King Size Mattress is designed for those who prefer a firmer sleeping surface. This mattress offers a supportive and stable feel, ensuring a restful night’s sleep. Crafted with precision, it features a combination of natural materials and advanced technology to provide a balanced […]

£2,061.25

Hypnos Belmont Firm King Size Mattress

Hypnos Belmont Firm King Size Mattress Product Description The Hypnos Belmont Firm King Size Mattress is designed for those who prefer a firmer sleeping surface. This mattress offers a balanced blend of support and comfort, ensuring a restful night’s sleep. Crafted with precision, it features a combination of natural materials and advanced technology to provide […]

£1,695.75

Hypnos Orthos Support 6 Mattress, Extra Firm, King Size Zip

Hypnos Orthos Support 6 Mattress, Extra Firm, King Size Zip & Link Product Description The Hypnos Orthos Support 6 Mattress offers an extra firm feel, perfect for those who require robust support while they sleep. This king size mattress features a zip & link design, allowing you to easily convert it into two single beds […]

£1,749.00

Hypnos Orthos Support 7 Mattress, Extra Firm, King Size Zip

Hypnos Orthos Support 7 Mattress, Extra Firm, King Size Zip & Link Product Description The Hypnos Orthos Support 7 Mattress offers an extra firm feel, perfect for those who require robust support while they sleep. This king size mattress features a zip & link design, allowing you to easily separate it into two single beds […]

£1,959.00

Hypnos Orthos Support 8 Mattress, Extra Firm, King Size Zip

Hypnos Orthos Support 8 Mattress, Extra Firm, King Size Zip & Link Product Description The Hypnos Orthos Support 8 Mattress offers an extra firm feel, perfect for those who require robust support while they sleep. This king size mattress features a zip and link design, allowing you to easily separate it into two single beds […]

£2,229.00

Hypnos Wool Origins 8 Mattress, Firm, King Size Zip &

Hypnos Wool Origins 8 Mattress, Firm, King Size Zip & Link Product Description The Hypnos Wool Origins 8 Mattress offers a firm and supportive sleep surface, perfect for those who prefer a more structured feel. This king size mattress features a zip and link design, allowing you to easily separate it into two single beds […]

£3,099.00

Hypnos Wool Origins 6 Mattress, Firm, King Size Zip &

Hypnos Wool Origins 6 Mattress, Firm, King Size Zip & Link Product Description The Hypnos Wool Origins 6 Mattress offers a firm and supportive sleep surface, perfect for those who prefer a more structured feel. This king size mattress features a zip and link design, allowing you to easily separate it into two single beds […]

£2,589.00

Jay Be Truecore 2000 Hybrid Firm King Size Mattress

Jay Be Truecore 2000 Hybrid Firm King Size Mattress Product Description The Jay Be Truecore 2000 Hybrid Firm King Size Mattress is designed to provide a balanced sleep experience. Combining the support of pocket springs with the comfort of memory foam, this mattress aims to cater to those who prefer a firmer sleeping surface. The […]

£492.15

Silentnight Lift Replenish 2000 Medium Firm King Size Mattress

Silentnight Lift Replenish 2000 Medium Firm King Size Mattress Product Description The Silentnight Lift Replenish 2000 Medium Firm King Size Mattress is designed to provide a balanced sleeping experience. With 2000 individual pocket springs, it offers tailored support, ensuring that your body is well-aligned throughout the night. The medium-firm feel is ideal for those who […]

£789.65

Silentnight Eco Comfort Breathe 2000 – Medium Firm King Size

Silentnight Eco Comfort Breathe 2000 – Medium Firm King Size Mattress Product Description The Silentnight Eco Comfort Breathe 2000 is a medium-firm king size mattress designed to provide a balanced sleeping experience. This mattress features 2000 individual pocket springs that offer tailored support, ensuring that your body is well-aligned throughout the night. The Eco Comfort […]

£616.25

Silentnight Geltex 3000 Astral – Medium Firm King Size Mattress

Silentnight Geltex 3000 Astral – Medium Firm King Size Mattress Product Description The Silentnight Geltex 3000 Astral King Size Mattress offers a balanced sleep experience with its medium firmness. Designed to provide support and comfort, this mattress features Geltex technology, which combines elastic gel and air-permeable foam. This unique blend ensures optimal breathability and pressure […]

£1,189.15

Rest Assured Cheviot – Medium Firm King Size Mattress

Rest Assured Cheviot – Medium Firm King Size Mattress Product Description The Rest Assured Cheviot Medium Firm King Size Mattress is designed to provide a balanced sleeping experience. This mattress offers a medium firm feel, making it suitable for those who prefer a supportive yet slightly cushioned surface. The Cheviot features a combination of pocket […]

£772.65

Hypnos Wool Origins 6 Firm King Size Mattress

Hypnos Wool Origins 6 Firm King Size Mattress Product Description The Hypnos Wool Origins 6 Firm King Size Mattress is designed for those who appreciate a firm sleeping surface. Crafted with natural materials, this mattress offers a supportive and comfortable night’s sleep. The core of the mattress is made from pocket springs, which provide individual […]

£1,449.25

Hypnos Wool Origins 8 Firm King Size Mattress

Hypnos Wool Origins 8 Firm King Size Mattress Product Description The Hypnos Wool Origins 8 Firm King Size Mattress is designed for those who appreciate a firm and supportive sleeping surface. Crafted with natural materials, this mattress combines traditional craftsmanship with modern comfort. The core of the mattress features a pocket spring system that adapts […]

£1,818.15

Hypnos Wool Origins 10 Firm King Size Mattress

Hypnos Wool Origins 10 Firm King Size Mattress Product Description The Hypnos Wool Origins 10 Firm King Size Mattress is designed for those who appreciate a firm sleeping surface. Crafted with natural materials, this mattress offers a supportive and comfortable night’s sleep. The core of the mattress is made from pocket springs, which provide individual […]

£2,039.15

Mlily Bamboo Refresh 1500 Firm King Size Mattress

Mlily Bamboo Refresh 1500 Firm King Size Mattress Product Description The Mlily Bamboo Refresh 1500 Firm King Size Mattress is designed to provide a supportive and refreshing sleep experience. This mattress combines advanced materials and thoughtful construction to ensure a firm yet comfortable surface that promotes proper spinal alignment. The bamboo-infused cover adds a touch […]

£939.25

Mlily Bamboo Refresh 1200 Firm King Size Mattress

Mlily Bamboo Refresh 1200 Firm King Size Mattress Product Description The Mlily Bamboo Refresh 1200 Firm King Size Mattress is designed to provide a supportive and refreshing sleep experience. This mattress combines innovative materials with a firm support system to ensure you wake up feeling rejuvenated. The bamboo-infused cover offers a breathable and hypoallergenic surface, […]

£777.75

When it comes to a firm king size mattress, you’re not just talking about any old bed, are you? You’re talking about support, structure, and a sense of stability that’s hard to find elsewhere. For those who prefer a firm surface, this type of mattress is the ultimate choice. There’s no sinking into it like a soft or memory foam mattress – instead, it’s all about alignment. Your spine stays straight, your body feels supported, and, let’s face it, there’s something undeniably luxurious about having all that space, isn’t there?

Firm mattresses are ideal for those who suffer from back pain or who simply prefer to sleep on a solid base. It reduces pressure points, allowing for a more restful sleep. You don’t wake up with that all-too-familiar ache or soreness, which can happen with softer mattresses.

And in a king size? Well, it’s not just about comfort – it’s about room. You can spread out, stretch, and still have space to spare. Whether you sleep solo or with a partner, there’s enough surface area to ensure everyone has their side, without disturbing each other.

A firm king size mattress offers not just comfort but a sense of peace, with support you can truly rely on.