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.
- Bestseller 30% OFF Harrison Spinks Owen Mattress You Save £750 £1,749 From £2,499 (3) Ready for delivery from 31st July From £87.45 per month
- 20% OFF Sleepeezee Bamboo Staycool 1800 Mattress You Save £320 £1,279 From £1,599 (2) Ready for delivery from 16th July From £63.95 per month
- Bestseller 20% OFF Harrison Spinks Bronte Mattress You Save £360 £1,439 From £1,799 (5) Ready for delivery from 31st July From £71.95 per month
- Feather & Black Morland Mattress from £799 Ready for delivery from 17th July From £39.95 per month
- 30% OFF Feather & Black Elsham Mattress You Save £270 £629 From £899 (1) Ready for delivery from 17th July
- 30% OFF Feather & Black Harewood Mattress You Save £210 £489 From £699 (1) Ready for delivery from 17th July
- 30% OFF Feather & Black Noir Performance Hybrid Mattress You Save £360 £839 From £1,199 (1) Ready for delivery from 15th July From £41.95 per month
- Sleepeezee Bamboo Staycool 2400 Mattress from £1,899 (2) Ready for delivery from 16th July From £94.95 per month
- Harrison Spinks Bennett Mattress from £1,399 (1) Ready for delivery from 31st July From £69.95 per month
- Bestseller 20% OFF Relyon Barrington Mattress You Save £200 £799 From £999 Ready for delivery from 6th August From £39.95 per month
- Harrison Spinks Cawthorne Cashmere Mattress from £3,199 Ready for delivery from 31st July From £159.95 per month
- Bestseller 10% OFF Harrison Spinks Chaucer Mattress You Save £160 £1,439 From £1,599 (2) Ready for delivery from 31st July From £71.95 per month
- Bestseller 20% OFF Harrison Spinks Fitzgerald Mattress You Save £560 £2,239 From £2,799 (5) Ready for delivery from 31st July From £111.95 per month
- Harrison Spinks Marlowe Mattress from £2,899 Selected sizes ready for delivery From £144.95 per month
- 20% OFF Relyon Montacute Mattress You Save £220 £879 From £1,099 Ready for delivery from 6th August From £43.95 per month
- Harrison Spinks Marsett Mohair Mattress from £2,299 (1) Ready for delivery from 31st July From £114.95 per month
- Harrison Spinks Byron Mattress from £3,999 (4) Ready for delivery from 31st July From £199.95 per month
- 10% OFF Harrison Spinks Conrad Mattress You Save £320 £2,879 From £3,199 (6) Ready for delivery from 31st July From £143.95 per month
- 20% OFF Sleepeezee Natural Latex 4200 Mattress You Save £500 £1,999 From £2,499 Ready for delivery from 16th July From £99.95 per month
- Bestseller 20% OFF Sleepeezee Premium Wool 2400 Mattress You Save £320 £1,279 From £1,599 (1) Ready for delivery from 16th July From £63.95 per month
- Harrison Spinks Tennyson Mattress from £2,099 (4) Ready for delivery from 31st July From £104.95 per month
- Bestseller 10% OFF Sleepeezee Natural 3000 Mattress You Save £210 £1,889 From £2,099 Ready for delivery from 16th July From £94.45 per month
- 30% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress You Save £690 £1,609 From £2,299 (1) Ready for delivery from 16th July From £80.45 per month
- New Sleepeezee Bamboo Staycool 800 Gel Mattress from £799 Ready for delivery from 16th July From £39.95 per month
- New Sleepeezee Bamboo Support 950 Mattress from £799 Ready for delivery from 16th July From £39.95 per month
- New Sleepeezee Bamboo Memory Support 1000 Mattress from £899 Ready for delivery from 16th July From £44.95 per month
- New Sleepeezee Support 800 Mattress from £799 Ready for delivery from 16th July From £39.95 per month
- 10% OFF Sleepeezee Bamboo Hybrid 4000 Mattress You Save £210 £1,889 From £2,099 Ready for delivery from 16th July From £94.45 per month
- Harrison Spinks Saxton Silk Mattress from £4,299 (1) Ready for delivery from 31st July From £214.95 per month
- Feather & Black Belvoir Mattress from £799 (1) Ready for delivery from 17th July From £39.95 per month
- 20% OFF Sleepeezee Premium Wool 1200 Mattress You Save £280 £1,119 From £1,399 Ready for delivery from 16th July From £55.95 per month
- 30% OFF Harrison Spinks Hemingway Mattress You Save £1,080 £2,519 From £3,599 (1) Ready for delivery from 31st July From £125.95 per month
What size is a king size mattress?
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.
What makes a king size mattress good quality?
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.
How many pocket springs are in a king size mattress?
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.
Are king size mattresses longer than queen mattresses?
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.
Is there a mattress bigger than a king size?
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.