King size mattresses
If it’s a king size mattress you’re after, our range of perfectly proportioned mattresses offer a little extra room to luxuriate in. Feather & Black offer a range of styles from pillow top to zip & link, all of which offer cushioned, comfortable support for a great night’s sleep. We also offer a range of king beds to accompany our king size mattresses.
- Chaucer Mattress King from £1,699
- Conrad Mattress King from £3,499
- Witham Mattress King £1,899
- Owen Mattress King from £2,699
- Winwood Mattress 6000 Springs, Medium - Firm Tension, King £1,099
- Tennyson Mattress King from £2,299
- Thames Mattress King £1,599
- Fitzgerald Mattress King from £2,999
- Boulton Mattress 10000 Springs, Medium - Firm Tension, King £1,899
- Coleridge Mattress King from £3,999
- Walters Mattress 7200 Springs, Firm Tension, King £1,499
- New New Vispring Hartley Mattress King £9,999
- Swindale Mattress King £2,499
- New New Vispring Heybrook Mattress King £7,999
- Severn Mattress King £2,299
- Medway Mattress King £1,899
- New New Flaxby Platinum Eclipse Mattress King from £5,999
- New New Hypnos Organics 2 Mattress King from £4,999
- Arlen Mattress 13200 Springs, Medium Tension, King £2,099
- Ribble Mattress King £2,299
- Byron Mattress King from £4,499
- New New Elevate UltraLux Medium Firm Mattress King £2,899
- New New Elevate UltraLux Medium Soft Mattress King £3,099
- New New Flaxby Platinum Solstice Mattress King from £6,999
- New New Hypnos Organics 3 Mattress King from £5,499
- New New Hypnos Organics 4 Mattress King from £5,999
- New New Hypnos Organics 6 Mattress King from £6,999
Need help choosing?
Take a look at our mattress guides.
King size mattresses are 5 foot wide and 6 foot 6 inches long, which is the same as W150cm x L200cm. A king mattress is 3 inches longer than a double mattress, so if you’re over 6ft tall the extra length will ensure you have a good amount of space to sleep comfortably.
The craftsmanship that goes into making our king size mattresses, alongside the luxurious materials and fillings used, ensures the high quality of our king mattresses. The quality of your mattress is crucial in determining how well you sleep, so it’s important to make sure yours is comfortable, supportive and durable. We do offer mattress trials on all our mattresses to help you decide.
A pocket spring count is essential in ensuring your new pocket spring king size mattress provides you with a well-supported, heavenly sleep. King size mattresses have around 1,000-15,000 pocket springs to provide a blissful sleep each night.
Yes, king size mattress are 3 inches longer than a queen mattress. A queen mattress is the same size as a small double (4’ x 6’3/120cm x 190cm), so a king mattress is both wider and longer measuring 5 foot wide and 6 foot 6 inches long or W150cm x L200cm.
There are two mattress sizes that are bigger than a king size mattress, super king and emperor, both of which are available at Feather & Black. Both offer a superior sleeping space, with a super king mattress measuring 6 foot by 6 foot 6 inches, or 180cm x 200cm, and an emperor mattress measuring 6 foot 6 inches by 6 foot 6 inches, or 200cm x 200cm.