King Size Mattresses
King size mattresses offer complete comfort. Forget sleeping like sardines, you and your other half will never argue about bed hogging with this 5’ x 6’6” mattress.
A king size mattress is perfect if you have a large bedroom. Why choose any other than a king size mattress if you’ve got the space to play with? You’ll sleep better at night as you’ll have the freedom to toss and turn without disturbing your partner’s sleep.
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- Richmond 3000 Pocket Sprung Natural Fillings Mattress(48)RRP From £449.99 Save £200 Now From £249.99
- Signature 2000 Pocket Sprung Pillow Top Natural Fillings Mattress(137)RRP From £549.99 Save £270 Now From £279.99
- Neptune Spring Quilted Cotton Fabric Mattress(152)RRP From £189.99 Save £70 Now From £119.99
- Imperial 3500 Pocket Sprung Mattress(26)RRP From £399.99 Save £180 Now From £219.99
- Premier Spring Quilted Fabric Mattress(40)RRP From £159.99 Save £70 Now From £89.99
- Little Champ 800 Pocket Sprung Reflex Foam Orthopaedic Mattress(12)RRP From £279.99 Save £130 Now From £149.99
- Windsor 3000 Pocket Sprung Orthopaedic Pillow Top Mattress(21)RRP From £919.99 Save £440 Now From £479.99
- Aloe Vera 1500 Pocket Sprung Memory and Reflex Foam Mattress(54)RRP From £399.99 Save £180 Now From £219.99
- Eclipse Pocket Sprung 800 Quilted Fabric Mattress(29)RRP From £239.99 Save £100 Now From £139.99
- Pinerest Spring Semi-Orthopaedic Quilted Fabric Mattress(95)RRP From £189.99 Save £70 Now From £119.99
- Tennyson 4000 Twin Pocket Sprung Orthopaedic Natural Fillings Mattress(40)RRP From £789.99 Save £370 Now From £419.99
- Soft Feel 5000 Memory Foam Orthopaedic Mattress Topper(20)RRP From £199.99 Save £80 Now From £119.99
- Gold Tufted Orthopaedic Spring Mattress(40)RRP From £189.99 Save £80 Now From £109.99
- Ortho Sleep 1500 Reflex Foam Orthopaedic Mattress(14)RRP From £249.99 Save £110 Now From £139.99
- Pearl Contour Spring Memory Foam Tufted Mattress(12)RRP From £279.99 Save £110 Now From £169.99
- Ambassador 3000 Pocket Sprung Orthopaedic Natural Fillings Mattress(20)RRP From £719.99 Save £340 Now From £379.99
- SleepSoul Space 2000 Pocket Spring Pillowtop Mattress(9)RRP From £599.99 Save £260 Now From £339.99
- Lavender 3000 Pocket Sprung Memory Foam Mattress(24)RRP From £399.99 Save £170 Now From £229.99
- Signature Gold 1800 Pocket Sprung Orthopaedic Natural Mattress(62)RRP From £399.99 Save £180 Now From £219.99
- Clifton Royale 1000 Pocket Sprung Orthopaedic Mattress(22)RRP From £299.99 Save £120 Now From £179.99
- Impressions 6000 Cool Blue Memory and Reflex Foam Orthopaedic Mattress(18)RRP From £349.99 Save £150 Now From £199.99
- Stress Free 1500 Pocket Sprung Memory and Reflex Foam Mattress(21)RRP From £379.99 Save £160 Now From £219.99
- Star Spring Quilted Fabric Mattress(29)RRP From £179.99 Save £90 Now From £89.99
- Anti-Bed Bug 1500 Pocket Sprung Reflex Foam Pillow Top Mattress(16)RRP From £619.99 Save £290 Now From £329.99
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Sleep Like a King on a King Size Mattress
You’re certain to sleep well on a king size mattress, but if you’re after something even more spacious, then consider our super king size mattress range - here at Happy Beds, there’s something for everyone. Browse our selection of king size mattresses today and find the right one for you.
Frequently Asked Questions
- How big is a king size mattress?
A king mattress offers the ultimate in luxury and space, measuring 150cm x 200cm, or 5.0ft x 6.6ft. Whether you're a couple who wants extra space at night or just a solo sleeper wanting to sleep like royalty, our king size mattresses are guaranteed to do the job.
- Are there different fillings available with king size mattresses?
We offer a range of mattress fillings to suit any sleeping position or support needs, including:
- King Size Memory Foam Mattresses - designed to mould to your body during the night, a memory foam mattress provides phenomenal support to your joints.
- King Size White Filling Mattresses - get extra comfort whilst you sleep with one of our king size white filling mattresses.
- King Size Natural Filling Mattresses - filled with natural materials such as cotton, wool and more, our king size natural filling mattresses provide a relaxing sleep.
- King Size Reflex Foam Mattresses - a reflex foam mattress is designed to provide extra support during the night by moulding to your body and returning to its original shape.
- King Size Latex Foam Mattresses - choose an eco-friendly option with your mattress as latex foam mattresses are made from natural materials.
- What mattress structures are available with king size mattresses?
The mattress structure you choose can affect how your comfort throughout the night, which is why you should do careful research before purchasing anything. Our king size mattresses included the following structures:
- Pocket Sprung King Size Mattresses - the perfect choice for couples, a pocket sprung king size mattress will distribute weight evenly thanks to the individual pocket springs.
- Open Coil Spring King Size Mattresses - get the ultimate support during the night with an exceptionally comfortable open coil spring king size mattress.
- Reflex Foam King Size Mattresses - with no springs, a reflex foam king size mattress provides a restful sleep that is incredibly supportive.
- Is a king size mattress right for you?
Forget sleeping like sardines! You and your other half will never argue about bed hogging with these spacious wonders. With more than enough space to toss and turn without imposing on your partner, it’s easy to see why it is a fan favourite. Perfect if you have a large bedroom or if you’re tall and need those extra few inches to avoid your feet hanging off the end, a king size mattress really adds that special touch.
Are you not sure on whether a king size mattress will suit you best, whether you need some of the special features, or whether you'll have the space to accommodate one? Take a look at our Mattress Buying Guide and our Measuring Guide. to find out more