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 (2) Ready for delivery from 24th January From £87.45 per month
- Bestseller 20% OFF Harrison Spinks Marlowe Mattress You Save £580 £2,319 From £2,899 Selected sizes ready for delivery From £115.95 per month
- Bestseller 20% OFF Harrison Spinks Cawthorne Cashmere Mattress You Save £640 £2,559 From £3,199 Ready for delivery from 24th January From £127.95 per month
- Feather & Black Noir Performance Hybrid Mattress from £1,199 Ready for delivery from 17th January From £59.95 per month
- Bestseller Sleepeezee Bamboo Staycool 2400 Mattress from £1,899 (2) Ready for delivery from 17th January From £94.95 per month
- Bestseller 10% OFF Harrison Spinks Richmond Pillow Top Mattress You Save £230 £2,069 From £2,299 (1) Ready for delivery from 24th January From £103.45 per month
- Sleepeezee Bamboo Hybrid 4000 Mattress from £2,099 Selected sizes ready for delivery From £104.95 per month
- Sleepeezee Bamboo Staycool 1800 Mattress from £1,599 (2) Ready for delivery from 17th January From £79.95 per month
- 30% OFF Harrison Spinks Saxton Silk Mattress You Save £1,290 £3,009 From £4,299 (1) Ready for delivery from 24th January From £150.45 per month
- 10% OFF Harrison Spinks Byron Mattress You Save £400 £3,599 From £3,999 (4) Ready for delivery from 24th January From £179.95 per month
- 40% OFF Sleepeezee Premium Wool 2400 Mattress You Save £640 £959 From £1,599 (1) Ready for delivery from 17th January From £47.95 per month
- 20% OFF Harrison Spinks Middleham Mohair Mattress You Save £420 £1,679 From £2,099 (13) Ready for delivery from 24th January From £83.95 per month
- Sleepeezee Bamboo Advanced Hybrid 6000 Mattress from £2,299 (1) Ready for delivery from 17th January From £114.95 per month
- 40% OFF Sleepeezee Natural 3000 Mattress You Save £840 £1,259 From £2,099 Ready for delivery from 17th January From £62.95 per month
- 10% OFF Harrison Spinks Hemingway Mattress You Save £360 £3,239 From £3,599 (1) Ready for delivery from 24th January From £161.95 per month
- Bestseller 20% OFF Harrison Spinks Conrad Mattress You Save £640 £2,559 From £3,199 (4) Ready for delivery from 24th January From £127.95 per month
- 20% OFF Harrison Spinks Tennyson Mattress You Save £420 £1,679 From £2,099 (4) Ready for delivery from 24th January From £83.95 per month
- New Relyon Montacute Mattress from £1,099 Ready for delivery from 31st January From £54.95 per month
- Bestseller 10% OFF Harrison Spinks Bronte Mattress You Save £180 £1,619 From £1,799 (4) Ready for delivery from 24th January From £80.95 per month
- 30% OFF Harrison Spinks Marsett Mohair Mattress You Save £690 £1,609 From £2,299 Ready for delivery from 24th January From £80.45 per month
- 40% OFF Harrison Spinks Chaucer Mattress You Save £640 £959 From £1,599 (2) Ready for delivery from 24th January From £47.95 per month
- 40% OFF Harrison Spinks Fitzgerald Mattress You Save £1,120 £1,679 From £2,799 (4) Ready for delivery from 24th January From £83.95 per month
- New Relyon Barrington Mattress from £999 Ready for delivery from 31st January From £49.95 per month
- New 20% OFF Feather & Black Harewood Mattress You Save £140 £559 From £699 Ready for delivery from 17th January
- New 30% OFF Feather & Black Belvoir Mattress You Save £240 £559 From £799 Ready for delivery from 17th January
- New 40% OFF Feather & Black Morland Mattress You Save £320 £479 From £799 Ready for delivery from 17th January
- New 40% OFF Feather & Black Elsham Mattress You Save £360 £539 From £899 Ready for delivery from 17th January
- 30% OFF Harrison Spinks Bennett Mattress You Save £420 £979 From £1,399 (1) Ready for delivery from 24th January From £48.95 per month
- Bestseller 10% OFF Harrison Spinks Thornton British Wool Mattress You Save £140 £1,259 From £1,399 (14) Ready for delivery from 24th January From £62.95 per month
- 20% OFF Sleepeezee Natural Latex 4200 Mattress You Save £500 £1,999 From £2,499 Ready for delivery from 17th January From £99.95 per month
- 30% OFF Sleepeezee Premium Wool 1200 Mattress You Save £420 £979 From £1,399 Ready for delivery from 17th January From £48.95 per month
- Bestseller 10% OFF Harrison Spinks Harrogate Silk Mattress You Save £360 £3,239 From £3,599 (2) Ready for delivery from 24th January From £161.95 per month
- 10% OFF Harrison Spinks Helmsley Egyptian Cotton Mattress You Save £180 £1,619 From £1,799 (5) Ready for delivery from 24th January From £80.95 per month
- 10% OFF Harrison Spinks Clifton Cashmere Mattress You Save £260 £2,339 From £2,599 (3) Ready for delivery from 24th January From £116.95 per month
- Clearance 50% OFF - WHILE STOCKS LAST Relyon Shere Mattress You Save £750 £749 From £1,499 (10) Ready for delivery from 7th February
- New Sleepeezee Bamboo Memory Support 1000 Mattress from £899 Ready for delivery from 17th January From £44.95 per month
- New Sleepeezee Bamboo Staycool 800 Gel Mattress from £799 Ready for delivery from 17th January From £39.95 per month
- New Sleepeezee Bamboo Support 950 Mattress from £799 Ready for delivery from 17th January From £39.95 per month
- New Sleepeezee Support 800 Mattress from £799 Ready for delivery from 17th January From £39.95 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.