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.
- Black Friday 40% OFF Harrison Spinks Owen Mattress You Save £1,000 £1,499 From £2,499 (2) Ready for delivery from 16th December From £74.95 per month
- Black Friday 40% OFF Harrison Spinks Marlowe Mattress You Save £1,160 £1,739 From £2,899 Selected sizes ready for delivery From £86.95 per month
- Black Friday 40% OFF Harrison Spinks Cawthorne Cashmere Mattress You Save £1,280 £1,919 From £3,199 Ready for delivery from 16th December From £95.95 per month
- Black Friday 40% OFF Feather & Black Noir Performance Hybrid Mattress You Save £480 £719 From £1,199 Ready for delivery
- Black Friday 40% OFF Sleepeezee Bamboo Staycool 2400 Mattress You Save £760 £1,139 From £1,899 (2) Ready for delivery From £56.95 per month
- Black Friday 30% OFF Harrison Spinks Richmond Pillow Top Mattress You Save £690 £1,609 From £2,299 (1) Ready for delivery from 16th December From £80.45 per month
- Black Friday 30% OFF Sleepeezee Bamboo Hybrid 4000 Mattress You Save £630 £1,469 From £2,099 Ready for delivery From £73.45 per month
- Black Friday 30% OFF Sleepeezee Bamboo Staycool 1800 Mattress You Save £480 £1,119 From £1,599 (2) Ready for delivery From £55.95 per month
- Black Friday 20% OFF Harrison Spinks Saxton Silk Mattress You Save £860 £3,439 From £4,299 (1) Ready for delivery from 16th December From £171.95 per month
- Black Friday 30% OFF Harrison Spinks Byron Mattress You Save £1,200 £2,799 From £3,999 (4) Ready for delivery from 16th December From £139.95 per month
- Black Friday 20% OFF Sleepeezee Premium Wool 2400 Mattress You Save £320 £1,279 From £1,599 (1) Ready for delivery From £63.95 per month
- Black Friday 20% OFF Harrison Spinks Middleham Mohair Mattress You Save £420 £1,679 From £2,099 (13) Ready for delivery from 16th December From £83.95 per month
- Black Friday 20% OFF Sleepeezee Bamboo Advanced Hybrid 6000 Mattress You Save £460 £1,839 From £2,299 (1) Ready for delivery From £91.95 per month
- Black Friday 20% OFF Sleepeezee Natural 3000 Mattress You Save £420 £1,679 From £2,099 Ready for delivery From £83.95 per month
- Black Friday 20% OFF Harrison Spinks Hemingway Mattress You Save £720 £2,879 From £3,599 (1) Ready for delivery from 16th December From £143.95 per month
- Black Friday 20% OFF Harrison Spinks Conrad Mattress You Save £640 £2,559 From £3,199 (4) Ready for delivery from 16th December From £127.95 per month
- Black Friday 20% OFF Harrison Spinks Tennyson Mattress You Save £420 £1,679 From £2,099 (4) Ready for delivery from 16th December From £83.95 per month
- New Relyon Montacute Mattress from £1,099 Ready for delivery from 21st December From £54.95 per month
- Black Friday 20% OFF Harrison Spinks Bronte Mattress You Save £360 £1,439 From £1,799 (4) Ready for delivery from 16th December From £71.95 per month
- Black Friday 30% OFF Harrison Spinks Marsett Mohair Mattress You Save £690 £1,609 From £2,299 Ready for delivery from 16th December From £80.45 per month
- Black Friday 30% OFF Harrison Spinks Chaucer Mattress You Save £480 £1,119 From £1,599 (1) Ready for delivery from 16th December From £55.95 per month
- Black Friday 30% OFF Harrison Spinks Fitzgerald Mattress You Save £840 £1,959 From £2,799 (4) Ready for delivery from 16th December From £97.95 per month
- New Relyon Barrington Mattress from £999 Ready for delivery from 21st December From £49.95 per month
- New Feather & Black Harewood Mattress from £699 Ready for delivery from 13th December
- New Feather & Black Belvoir Mattress from £799 Ready for delivery from 13th December From £39.95 per month
- New Feather & Black Morland Mattress from £799 Ready for delivery from 13th December From £39.95 per month
- New Feather & Black Elsham Mattress from £899 Ready for delivery from 13th December From £44.95 per month
- Harrison Spinks Bennett Mattress from £1,399 (1) Ready for delivery from 16th December From £69.95 per month
- Bestseller Harrison Spinks Thornton British Wool Mattress from £1,399 (14) Ready for delivery from 16th December From £69.95 per month
- Sleepeezee Natural Latex 4200 Mattress from £2,499 Ready for delivery From £124.95 per month
- Sleepeezee Premium Wool 1200 Mattress from £1,399 Ready for delivery From £69.95 per month
- Harrison Spinks Harrogate Silk Mattress from £3,599 (2) Ready for delivery from 16th December From £179.95 per month
- Harrison Spinks Helmsley Egyptian Cotton Mattress from £1,799 (5) Ready for delivery from 16th December From £89.95 per month
- Harrison Spinks Clifton Cashmere Mattress from £2,599 (3) Ready for delivery from 16th December From £129.95 per month
- Clearance 50% OFF - WHILE STOCKS LAST Relyon Shere Mattress You Save £750 £749 From £1,499 (10) Ready for delivery from 11th January
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.