Open Coil Medium-Firm King Size Mattresses

Kingsize (5')

Discover the perfect night’s sleep with the Bedzonline Hybrid Memory Foam & Spring Mattress, designed to combine comfort, support, and eco-friendly craftsmanship. Engineered with multiple layers of ergonomically designed comfort, this mattress promotes spinal alignment and ensures the ideal sleeping posture for restful, rejuvenating nights. Crafted with brand-new open coil springs and ultra-firm polyester filling, it offers a stable yet comfortable foundation that adapts to your body while maintaining long-lasting durability. The mattress features cool-touch, skin-friendly fabrics, isolated comfort layers, and a micro-quilted border, delivering ultimate breathability and hygiene. Manufactured in the UK with eco-conscious processes, the Bedzonline Hybrid Memory Foam & Spring Mattress ensures superior sleep quality with a lower carbon footprint, free from recycled springs and allergens.

Happy with the goods I have bought I have had no problems with anything. Jayne. Blackpool, GB. Sat Feb 21 2026

Kingsize (5')

Experience restful and supportive sleep with the Winksleep Orthopedic Memory Foam Spring Mattress, designed to combine the comfort of memory foam with the support of individually wrapped springs. The memory foam conforms to your body’s curves to relieve pressure and reduce fatigue, while the springs provide full-body support and minimize motion transfer, making it ideal for shared beds. Breathable, skin-friendly knitted fabric ensures airflow and a cool, comfortable night’s sleep. Available in 2FT6 Small Single, 3FT Single, 4FT Small Double, 4FT6 Double, and 5FT King, it fits most bed frames including divan, slatted, and ottoman beds. Delivered compressed, vacuum-packed, and rolled for easy setup, the mattress fully expands in about 24 hours for optimal comfort and performance.

Super comfy ideal for my teenage son. Nadine. Mon May 13 2024

Kingsize (5')

A quality hand-made mattress with orthopedic qualities, the mattress features a German-made spring system and a layer of high-density memory foam ensures a superb lifespan. Hand-tufted for improved durability deep button finish prevents tufts from irritating skin. Hand-tufted for improved durability with a deep button finish that prevents tufts from irritating skin. The high-density memory foam layer sits on deep layers of hypoallergenic fillings finished with a cool soft outer fabric cover. The mattress is supplied vacuum-packed and rolled for easy transportation and making it ideal for awkward attic rooms.

Super comfy! Came really quick and no faults. Lou. Stafford. Sat Feb 28 2026

Kingsize (5')

Indulge in a revitalising sleep environment with the Antares Memory Foam Mattress, crafted to cater to those who value both cosiness and proper support. Built from robust, long-lasting materials, this mattress holds its shape despite nightly use, promising dependable performance for years. The specialised memory foam gently moulds to the contours of the body, alleviating pressure points and allowing for deep, undisturbed sleep regardless of your preferred sleeping position. The thoughtful design ensures lasting resilience, making the Antares a sound investment for any bedroom. Convenience is paramount—the mattress arrives compressed and vacuum-packed to simplify delivery and installation. This eliminates the stress of manoeuvring bulky packaging, ensuring even tight staircases and smaller spaces pose no challenge. Simply release the mattress from its packing, and it swiftly regains its intended shape, offering instant comfort. Ideal for updating a guest bedroom or refreshing your main sleeping area, the Antares Memory Foam Mattress stands out for its superior comfort, hypoallergenic properties, and no-fuss setup.

Kingsize (5')

Experience restorative comfort with the Winksleep Hydro Memory Foam Spring Mattress, designed to balance softness and support. With a medium-plush feel, this hybrid mattress combines breathable Hydro Memory Foam with a responsive pocket spring system for consistent comfort and proper spinal alignment. The advanced foam layer improves airflow and helps regulate temperature for a cooler night’s sleep. Individually encased springs adapt to body movement and minimize motion transfer, so you and your partner can rest undisturbed. Suitable for back, side, or stomach sleepers, this mattress relieves pressure points while promoting healthy, comfortable sleep every night.

Excellent quality and very comfortable to sleep on. Sarah. Tottenham. Sun Apr 12 2026

Kingsize (5')

If you're looking for deeper, more comfortable sleep, the Edinburgh Mattress is made for you. Its strong 12.5g open coil springs give your body the support it needs to reduce aches, relieve pressure, and keep your spine aligned—so you wake up feeling refreshed, not sore. The soft, hand-tufted damask cover feels smooth and luxurious against your skin, while the plush polyester fillings add the perfect layer of comfort. You’ll stay cooler at night thanks to built-in air vents, and the easy-turn handles make flipping the dual-sided design simple—helping your mattress last even longer. Designed for comfort, support, and everyday luxury, the Edinburgh Mattress helps you sleep better and feel better, every single day.

Kingsize (5')

Sleepy Castle Bonnell Spring Mattress: Revel in unparalleled comfort and superior breathability, meticulously crafted for the ultimate sleep experience. Embrace the luxury of the Bonnell spring system, promising serene nights and rejuvenation. Available in all standard sizes, this dream mattress arrives rolled and condensed in a single box for your convenience. Choose Sleepy Castle for nights transformed into restful escapes.

Kingsize (5')

Boasting a traditional Bonnell spring system, this Bonnell memory pillowtop mattress offers comfort and support through the night. With sumptuous layers of foam fillings and a soft knit mattress cover for added comfort and a soft touch. This mattress is enhanced with a luxury memory foam pillowtop layer to provide extra pressure relief and cushioning around the hips and shoulders. This mattress offers a medium/firm comfort feel, which is generally great for people who sleep on their backs. Made in the UK by the UK's most trusted bed brand Silentnight.

One of the best matressss I’ve had Nearly four years old still perfect. Vivienne. Ormesby Middlesbrough, GB. Wed Mar 11 2026

Kingsize (5')

Specifically designed to be practical and durable, the medium feel Crosby mattress is ideal for student housing or budget accommodation. This mattress is hand tufted for extra longevity and comes with a hard wearing cover

Kingsize (5')

The Jay-Be Benchmark S3 mattress features innovative sustainable sleep technologies. Combining a deep e-Spring core with supportive e-Fibre comfort layers, this mattress features Jay-Bes' revolutionary Memory e-Fibre which is a more environmentally friendly alternative to memory foam; offering pressure-relieving support throughout the night. Made in the UK and designed with the environment in mind, all Benchmark mattresses are 100% foam-free and feature Eco award-winning Advance e-Fibre™. This super-soft Advance e-Fibre not only helps improve moisture and temperature regulation but is also proven to offer significant environmental benefits* including • 90% Fewer CO2 emissions • 99% Less water used • 99% Reduced land use *Statistics are based on the life cycle analysis of Advance e-Fibre when compared to cotton. Results were verified by an independent body. The e-Fibre comfort layers used in these mattresses are made from 100% recyclable plastic bottles, diverting over 70 million from going into landfills or our oceans, and by choosing this mattress you are helping to prevent even more! Vacuum packed and rolled to maintain freshness and reduce carbon emissions during transportation. All Jay-Be Benchmark mattresses are backed by a five-year manufacturer’s guarantee.

I bought this for my 9 Yr old and he finds it very comfy and sleeps well on it.. Lulu. London. Mon Jan 16 2023

Kingsize (5')

This mattress features innovative sustainable sleep technologies. Its deep e-spring core is topped with micro e-pocket springs for adaptable posture support throughout the night. These springs are cushioned with a deep supportive layer of rebound e-fiber and super soft advanced e-fiber. Made in the UK and designed with the environment in mind, this mattress's micro e-pocket springs, are one of the most advanced pocket spring technologies available today; sonic welded fabric pockets remove the need for glue, making them easier to recycle at the end of life. All mattresses are 100% foam-free and feature an eco-award-winning advance. This super-soft advanced e-fiber not only helps improve moisture and temperature regulation but is also proven to offer significant environmental benefits* including 90% less CO2 emissions, 99% less water used, and 99% reduced land use*. Statistics are based on the life cycle analysis of advanced e-fiber when compared to cotton. Results were verified by an independent body. The e-fiber comfort layers used in these mattresses are made from 100% recyclable plastic bottles, diverting over 70 million from going into landfills or our oceans, and by choosing this mattress you are helping to prevent even more! Vacuum packed and rolled to maintain freshness and reduce carbon emissions during transportation.

comfortable, second purchase of this brand,really good for a perfect nights sleep.. John. Batley, GB. Fri Aug 08 2025

Kingsize (5')

Upgrade your sleep with the Winksleep Ultra Cool Blue Memory Foam Mattress, designed to provide the perfect balance of comfort, support, and breathability. This medium-firm hybrid mattress combines a Cool Blue Memory Foam layer with a responsive open coil spring system, adapting to your body’s shape while maintaining lasting support. The advanced cooling foam enhances airflow and regulates temperature, keeping you refreshed all night. Ideal for all sleeping positions, it also features motion isolation to minimize disturbances from a partner’s movements. Hypoallergenic materials and a breathable quilted jacquard cover promote a cleaner, healthier sleep environment while adding durability and a touch of luxury. Perfect for upgrading guest rooms or main bedrooms, this mattress delivers a supportive, cool, and comfortable sleep experience every night.

Kingsize (5')

This beautiful hand-crafted mattress offers all of the core features which set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy maneuvering and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow. As well as the pocket spring unit the mattress is topped with a lavish layer of reflex memory foam which shapes your body to add extra comfort.

I can’t stop sleeping on it. I love it. Specifications are spot on and it feels twice as expensive as it is - bloomin marvellous xx. Jane. Hazel Grove Stockport, GB. Wed Feb 08 2023

Kingsize (5')

This beautifully hand crafted mattress offers all of the core features which set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy manoeuvring and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow. As well as the pocket spring unit the mattress is topped with a lavish layer of Cool Blue memory foam which shapes to your body to add extra comfort.

Anonymous. Tue Mar 31 2026

Kingsize (5')

This beautifully hand-crafted mattress offers all of the core features that set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy maneuvering and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow. As well as the pocket spring unit the mattress is topped with a lavish layer of memory foam which shapes your body to add extra comfort.

Works with wonders withsleeping. Anonymous. Thu Jun 30 2022

Kingsize (5')

This beautiful hand-crafted mattress offers all of the core features which set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy maneuvering and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow. As well as the pocket spring unit the mattress is topped with a lavish layer of latex memory foam which shapes to your body to add extra comfort.

Kingsize (5')

Experience a comfortable and supportive sleep with this mattress, featuring hypoallergenic fibre fillings for a cleaner, healthier rest. Its 12.5 gauge open coil spring unit offers reliable support, while the medium/firm tension provides the perfect balance for those who prefer a firmer feel. With a 25cm depth, this double-sided mattress can be easily flipped and rotated to ensure lasting durability.

Kingsize (5')

Looking for a high-quality and reliable mattress to enhance your sleeping experience? Look no further! This mattress is proudly crafted in the UK and offers the perfect combination of comfort and support. It features both a Top Comfort Layer and a Flipped Comfort Layer of Comfort Foam, which are strategically placed to provide you with the ultimate sleeping experience. The Top Comfort Layer is designed to adjust to your body's shape, offering a personalized level of comfort, while the Flipped Comfort Layer provides the perfect amount of support to keep your spine aligned throughout the night. So, if you're looking for a medium level of support and a comfortable night's sleep, this mattress is an excellent choice. Available in a range of sizes to fit any bed, you can rest easy knowing you've made the right choice.

Springs come through mattress, Would not recommend, very hard. Emma Egan. Chorley, GB. Thu Sep 04 2025

Kingsize (5')

This beautifully hand-crafted mattress offers all of the core features that set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy maneuvering and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow.

Exceptional mattress, all aches and pains seem to go and it is definitely a firm mattress. Perfect for those with back issues. Strongly recommend. Anonymous. Sun Jun 04 2023

Kingsize (5')

An extremely durable mattress that is completely waterproof but breathable. Our nautilus mattress is a comfortable medium-firm feel that suits most body types and sleeping positions. Perfect for student accommodation and hostels due to its hard-wearing, watertight construction.

Kingsize (5')

This beautiful hand-crafted mattress offers all of the core features which set the Pocketo Collection apart from ordinary mattresses. With features such as four handles for easy maneuvering and eight air vents to provide breathability. Our dual-suspension 3000 pocket springs represent the most advanced spring technology on the market. They are designed to provide the ultimate in responsive support with an unbeatable degree of comfort and as well as maintaining outstanding airflow. As well as the pocket spring unit the mattress is topped with a lavish layer of gel memory foam which shapes your body to add extra comfort.

Kingsize (5')

This mattress features a 13.5 gauge open coil spring unit for reliable support, combined with hypoallergenic fillings for a healthier, more comfortable sleep. With a 21cm depth and double-sided design, it offers both durability and flexibility. The water-resistant Nautilus cover adds an extra layer of protection, while the mattress is certified to Contract Source 5 (BS7177), meeting high safety and quality standards for both residential and commercial use.

Kingsize (5')

Our Sareer Waldorf Crib 5 compliant mattress is an excellent choice for landlords, student accommodation, spare rooms, and the hospitality industry. It is made in the UK and contains a thick layer of reflex foam which shapes and moulds to the body, ensuring maximum support and comfort. The medium firm feel mattress has a depth of approximately 6inch. Featuring a striped 100% cotton cover, the material is natural, breathable and absorbs moisture, therefore any air trapped between the fabric and your body can circulate keeping you cool as you sleep. This cover is perfectly designed and woven tightly to prevent the possibility of dust mites. All the mattresses within the Sareer Contract range conform to BS7177 ignition source 5 for medium contract use.

Kingsize (5')

Looking for a high-quality and reliable mattress to enhance your sleeping experience? Look no further! This mattress is proudly crafted in the UK and offers the perfect combination of comfort and support. It features both a Top Comfort Layer and a Flipped Comfort Layer of Comfort Foam, which are strategically placed to provide you with the ultimate sleeping experience. The Top Comfort Layer is designed to adjust to your body's shape, offering a personalized level of comfort, while the Flipped Comfort Layer provides the perfect amount of support to keep your spine aligned throughout the night. So, if you're looking for a medium level of support and a comfortable night's sleep, this mattress is an excellent choice. Available in a range of sizes to fit any bed, you can rest easy knowing you've made the right choice.

Kingsize (5')

Looking for a high-quality and reliable mattress to enhance your sleeping experience? Look no further! This mattress is proudly crafted in the UK and offers the perfect combination of comfort and support. It features a Top Comfort Layer of Memory Foam and a Flipped Comfort Layer of Comfort Foam, which are strategically placed to provide you with the ultimate sleeping experience. The Top Comfort Layer is designed to adjust to your body's shape, offering a personalized level of comfort, while the Flipped Comfort Layer provides the perfect amount of support to keep your spine aligned throughout the night. So, if you're looking for a medium level of support and a comfortable night's sleep, this mattress is an excellent choice. Available in a range of sizes to fit any bed, you can rest easy knowing you've made the right choice.

King (5')

The Orion Bonnell Coil System Quilted Mattress is crafted to deliver optimal support and balanced comfort, making it the ideal choice for bedrooms, guest rooms, and flats alike. Its robust Bonnell coil system ensures even weight distribution and delivers targeted support, which reduces pressure on key areas of the body for healthier sleep posture. Constructed with high-quality materials, the mattress resists sagging and retains its shape over time, providing a dependable sleep surface night after night. Thanks to advanced manufacturing and efficient delivery, the Orion mattress is supplied rolled and vacuum-packed, simplifying transport through narrow doorways and staircases. Simply unbox and unroll—the mattress quickly expands to its intended shape and is ready for immediate use. this mattress is a versatile, budget-smart pick for long-lasting utility and comfort.

Shelagh Le. Westbury-on-trym Bristol, GB. Tue Jun 10 2025

Kingsize (5')

Achieve a great night's sleep with this deep open coil mattress with cotton and fiber fillings provides a great soft feel. The cover along with the fillings stops bacterial growth and any odors or mildew growth. Eliminating dust mites has a number of health benefactors such as reducing the risk of asthma and therefore maintaining a fresh and natural sleeping environment easing you into a gentle sleep. The soft-touch knit fabric provides a soft luxury feel. Delivered rolled for your convenience, this mattress does not require turning.

This is best mattress have got after a while, comfortable and have had good sleep since I got it. Feyisayo. Paisley, GB. Thu Sep 29 2022

Kingsize (5')

This is done by spreading your body weight out evenly over the surface of the mattress resulting in less pressure on key areas of the body such as the back and neck. Full support is provided from head to toe guaranteeing you a great night’s sleep. The cover along with the fillings stops bacterial growth and any odors or mildew growth. Eliminating dust mites has a number of health benefactors such as reducing the risk of asthma and therefore maintaining a fresh and natural sleeping environment easing you into a gentle sleep. The soft-touch knit fabric provides a soft luxurious feel.

Lasted quite a long time before I needed to replace it. Sam. Baglan Port Talbot, GB. Sat Apr 26 2025

Kingsize (5')

Achieve a great night's sleep with this extremely comfortable mattress. Complete with anti-dust mite, anti-bacterial and anti-microbial properties, as well as a moisture-managing system ensuring the ultimate fresh sleeping environment to encourage a great night's sleep.

This was for a second bed base which i also bought from you. So for a year or so I've had a queen size bed next to the above-mentioned bed bed with no gap in between so it's bed space from the radiator underneath the window to the opposite wall.. Rafiel. Sheffield, GB. Sat Jul 29 2023

Kingsize (5')

This is a very comfortable, smart looking medium-firm model, designed with layers of natural fillings comprising cotton, silk and temperature-regulating wool. All topped by a hypoallergenic, quilted sleeping surface. It includes a firmer open coil in the support core, for overall perfect balance. A popular natural choice which comes with a one year warranty, and available in a range of sizes to suit your bed: Single (3ft), Small Double (4ft), Double (4ft 6ins), Kingsize (5ft), and Super King (6ft).

i was expecting to a normal mattress but is very big ! you dont need bed frame is very tall . very soft and nice. Marius. Surbiton, . Fri Feb 12 2016

Kingsize (5')

This is a medium mattress, thanks to the 13.5 gauge open coil sprung unit. It has a Damask fabric cover, and the border is quilted. It is hypo-allergenic and fits all standard UK bed sizes. The mattress is deep.

Gary. Uddingston Glasgow, GB. Thu Aug 03 2023

Kingsize (5')

This is a firm orthopaedic mattress, thanks to the 12.5 gauge open coil sprung unit. It has a damask fabric cover, is hypo-allergenic, has handles for ease of moving the mattress, and air vents to allow the mattress to breathe. The mattress fits all standard UK bed sizes and is deep.

197 x 152 x 20 cm

This mattress is perfect for comfort and storage, in all situations of domestic and commercial use

197 x 152 x 26 cm

Very stylish firm mattress.

Kingsize (5')

This is a medium orthopaedic mattress, thanks to the 12.5 gauge open coil spring unit. The cover is made with a Damask fabric and the border is quilted. It is hypo-allergenic, and has a quilted border, and fits all standard UK bed sizes. The mattress is deep.

Kingsize (5')

This is a soft to medium mattress, thanks to the 13.5 gauge open spring unit. It has a stitch bond fabric cover and is panel quilted. It is hypo-allergenic and fits all standard UK bed sizes. This mattress may be more suitable for smaller children to sleep on, or for occasional usage. The mattress is deep.

Kingsize (5')

This is a medium firmness orthopaedic mattress, thanks to the 12.5 gauge open coil spring unit. The cover is made with a Damask fabric and is panel quilted. It is hypo-allergenic and fits all standard UK bed sizes. The mattress is deep.

Kingsize (5')

This is a medium mattress, thanks to the 13.5 gauge open coil sprung unit. Complete with a 25mm layer of memory foam, it has a knitted fabric cover and wool safe barrier, and the border is quilted. It is hypo-allergenic, and fits all standard UK bed sizes. The mattress is deep.

Kingsize (5')

This is a medium orthopaedic mattress, thanks to the 13.5 gauge open coil sprung unit. It has a damask fabric cover, and the border is panel quilted. It, is hypo-allergenic and fits all standard UK bed sizes. The mattress is deep.