King Mattresses

Sleep in comfort and style with our premium range of king size mattresses, ideal for spacious bedrooms and a better night’s sleep. Offering the perfect balance of support and comfort, choose from memory foam, pocket sprung, latex and hybrid designs to suit every sleeping preference. Crafted for durability and long-lasting quality, our king mattresses help you wake up feeling refreshed and energised every morning.

Small Single Mattresses Single Mattresses Small Double Mattresses Double Mattresses Super King Mattresses

Comfort Deluxe 1000 - Divan Bed & Mattress

Comfort Deluxe 1000 Mattress, Pocket Sprung

£315 From £299

In stock

More sizes available

Hypnos Lavenham - Pillow Top Mattress, Pocket Sprung

King for double

Hypnos Lavenham Pillow Top Mattress, Pocket Sprung

£1,715 From £1,199

In stock

More sizes available

Sealy Alpha Align Support System - Mattress, Hybrid

best seller

Sealy Alpha Align Support System Mattress, Hybrid

£1,789 From £1,249

Delivery from 4 weeks

More sizes available

Free Delivery

Get free standard delivery when purchasing beds and bed frames

Tempur Pro Plus - Medium Firm Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Plus Medium Firm Mattress, Memory Foam

£1,939 From £1,549

In stock

More sizes available

Welwyn 2000 Pillowtop Mattress, Pocket Sprung

£1,215 From £849

In stock

More sizes available

best seller

Natural Choice 2000 Mattress, Pocket Sprung

£975 From £679

In stock

More sizes available

Tempur Pro Luxe - Soft Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Luxe Soft Mattress, Memory Foam

£2,439 From £1,949

Delivery from 2 weeks

More sizes available

Spring Sale

Step into spring and get up to 30% off across our store in our spring sale.

Relyon Canterbury - Mattress, Pocket Spring

King for double

Relyon Canterbury Mattress, Pocket Spring

£1,065 From £849

In stock

More sizes available

Wool Supreme Mattress, Pocket Sprung

£415 From £329

In stock

More sizes available

Wansford Ortho Mattress, Pocket Sprung

£475 From £329

In stock

More sizes available

Hertford 1500 Ortho Mattress, Pocket Sprung

£785 From £549

In stock

More sizes available

Dalton Ergosense Mattress, Pocket Sprung

£645 From £449

In stock

More sizes available

Fyfield 2000 Mattress, Pocket Sprung

£859 From £599

In stock

More sizes available

Kelvedon Chiro 4000 Mattress, Hybrid Gel

£1,429 From £999

In stock

More sizes available

Hypnos Orthocare Superior - Mattress, Pocket Sprung

King for double

Hypnos Orthocare Superior Mattress, Pocket Sprung

£1,429 From £999

In stock

More sizes available

Ultimate Pillow Comfort - Pillowtop Mattress Super King

King for double

Ultimate Pillow Comfort Pillowtop Mattress

£1,315 From £1,049

In stock

More sizes available

Grange Natural Ortho 1000 Mattress, Pocket Sprung

£715 From £499

In stock

More sizes available

Tempur Pro Plus - Firm Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Plus Firm Mattress, Memory Foam

£1,939 From £1,549

In stock

More sizes available

Tempur Pro Luxe - Medium Firm Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Luxe Medium Firm Mattress, Memory Foam

£2,439 From £1,949

In stock

More sizes available

Tempur Pro Plus - Medium Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Plus Medium Mattress, Memory Foam

£1,939 From £1,549

In stock

More sizes available

Clearance - Save £926

Hypnos Salcombe Superior Mattress

£3,075 From £2,149

In stock

More sizes available

Sleepeezee Heritage 3000 - Mattress, Pocket Sprung

best seller

Sleepeezee Heritage 3000 Mattress, Pocket Sprung

£1,129 From £899

In stock

More sizes available

Sleepeezee Heritage 4000 Mattress, Pocket Sprung

£1,249 From £999

In stock

More sizes available

Tempur Pro - Medium Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Medium Mattress, Memory Foam

£1,729 From £1,379

In stock

More sizes available

Sleepeezee Centurial 01 Mattress, Pocket Sprung

£1,379 From £1,099

Available to order

More sizes available

Tempur Ease 25 Mattress, Memory Foam

£1,129 From £899

In stock

More sizes available

Tempur Pro - Medium Firm Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Medium Firm Mattress, Memory Foam

£1,749 From £1,399

In stock

More sizes available

Broxbourne 2000 Mattress, Pocket Sprung

£859 From £599

In stock

More sizes available

Relyon Barrington Orthopocket - Mattress, Pocket Sprung

King for double

Relyon Barrington Orthopocket Mattress, Pocket Sprung

£999 From £799

In stock

More sizes available

40 night sleep trial*

Tempur Pro Soft Mattress, Memory Foam

£1,689 From £1,349

Delivery from 3 weeks

More sizes available

best seller

Tempur Ease 20 Mattress, Memory Foam

£879 From £699

In stock

More sizes available

Online exclusive

Tempur Ease 22 Mattress, Memory Foam

£939 From £749

Delivery from 4 weeks

More sizes available

40 night sleep trial*

Tempur Pro Firm Mattress, Memory Foam

£1,689 From £1,349

In stock

More sizes available

Tempur Pro Plus - Soft Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Plus Soft Mattress, Memory Foam

£1,939 From £1,549

In stock

More sizes available

Harrison Spinks Bliss - Mattress, Pocket Sprung Super King Zip & Link - 180cm

Online exclusive

Harrison Spinks Bliss Mattress, Pocket Sprung

£999 From £799

Available to order

More sizes available

Harrison Spinks Flores Mattress, Pocket Sprung

£1,815 From £1,449

Available to order

More sizes available

Harrison Spinks Caspian Mattress, Pocket Sprung

£1,625 From £1,299

Available to order

More sizes available

Harrison Spinks Sargasso Mattress, Pocket Sprung

£2,249 From £1,799

Available to order

Harrison Spinks Visayan Mattress, Pocket Sprung

£2,625 From £2,099

Available to order

More sizes available

Sealy Elegance Plush Mattress, Hybrid

£4,789 From £3,349

In stock

More sizes available

Watton Ergosense 1000 Mattress, Pocket Sprung

£645 From £449

In stock

More sizes available

Relyon Danbury - Pillow Top Mattress, Pocket Sprung

King for double

Relyon Danbury Pillow Top Mattress, Pocket Sprung

£1,189 From £949

In stock

More sizes available

Sleepeezee Centurial 03 Pillow Top Mattress, Pocket Sprung

£1,999 From £1,599

Available to order

More sizes available

Sleepeezee Lenham 2800 Mattress, Pocket Sprung

£819 From £649

In stock

More sizes available

Sleepeezee Sculpture 6000 Pillow Top Mattress, Pocket Sprung

£1,189 From £949

In stock

More sizes available

Sleepeezee Elysium 9000 - Pillow Top Mattress, Pocket Sprung

Online exclusive

Sleepeezee Elysium 9000 Pillow Top Mattress, Pocket Sprung

£1,499 From £1,199

In stock

More sizes available

Ashwell 2000 Ergosense - Mattress, Pocket Sprung

Online exclusive

Ashwell 2000 Ergosense Mattress, Pocket Sprung

£1,145 From £799

In stock

More sizes available

Tempur Pro Luxe - Medium Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Luxe Medium Mattress, Memory Foam

£2,439 From £1,949

In stock

More sizes available

Sleepeezee Cumulus 4000 Mattress, Hybrid

£1,069 From £849

In stock

More sizes available

Tempur Pro Luxe - Firm Mattress, Memory Foam

40 night sleep trial*

Tempur Pro Luxe Firm Mattress, Memory Foam

£2,439 From £1,949

In stock

More sizes available

For added comfort and tailored support, our king mattresses are designed to promote healthy posture and reduce pressure points throughout the night. Whether you’re looking for advanced motion isolation, breathable natural fillings or enhanced lumbar support, each mattress combines quality craftsmanship with innovative sleep technology.

Ideal for couples or anyone who prefers extra space, a king-size mattress offers the perfect foundation for a more peaceful, restorative sleep. Pair your chosen style with a supportive divan base or upholstered bed frame to complete your bedroom setup.

Explore the full collection to find a mattress that delivers long-lasting comfort, superb support and a consistently refreshing night’s sleep.

Rated By Thousands Of Happy Customers

We're proud to be rated 5 stars by thousands of customers. See what our customers are saying about us and leave us a review over on our reviews page.

★

From order to delivery, everything was seamless. I received clear updates throughout, and the delivery team assembled the furniture and took all packaging away. I've trusted Fishpools for over 50 years - always reliable. One very happy customer!

★

It’s rare these days, but Fishpools always does exactly what they promise - on time, every time. The quality is excellent, and spending a little more is worth it for the peace of mind you get in return.

★

Our 2-hour delivery slot was confirmed by 4 pm the day before, followed by a call when the truck was just 30 minutes away. The fitters were friendly, professional, and efficient - even laying down a runner to protect our hall floor. They made sure I was happy before signing and even thanked me for the tea! Highly recommend Fishpools.

★

From order to delivery, everything was seamless. I received clear updates throughout, and the delivery team assembled the furniture and took all packaging away. I've trusted Fishpools for over 50 years - always reliable. One very happy customer!

★

It’s rare these days, but Fishpools always does exactly what they promise - on time, every time. The quality is excellent, and spending a little more is worth it for the peace of mind you get in return.

★

Our 2-hour delivery slot was confirmed by 4 pm the day before, followed by a call when the truck was just 30 minutes away. The fitters were friendly, professional, and efficient - even laying down a runner to protect our hall floor. They made sure I was happy before signing and even thanked me for the tea! Highly recommend Fishpools.