10 Best King Size Mattresses Dreamcloud in The UK

Last updated on 29/05/2025

Advertising disclosure

Best Choice

9.7

Exceptional

Nectar

Nectar Double Mattress 25 cm - Medium-Firm Memory Foam - Quilted Cooling Cover - 365 Night Trial - Forever Warranty

Free Shipping

Why We Love It

Superb spinal alignment support.
Cooling cover for comfort.
365-night trial, forever warranty.

Main Highlights

THE NECTAR MEMORY FOAM MATTRESS - The best of both worlds, Nectar's Classic 25cm thick medium-firm memory foam mattress moulds to the contours of your body and keeps you comfortably cool all night. Its triple layers have been created to offer sumptuous levels of comfort with superb spinal alignment, providing total support to all the areas that need it most!
QUILTED COOLING COVER - Looking for a way to keep cool at night? This cover will help circulate fresh air and draw heat away from your body, keeping you cool and comfortable. The positioning base material holds your mattress in place and has handles to easily move it.
FIVE LAYERS OF LIFE-CHANGING COMFORT - Our Dynamic Support layer features special foam that breathes with improved airflow to help regulate body temperature. Pressure-relieving memory foam used in this layer provides comfort and support where you need it most. The 7 Zone Supportive Base ensures you get the perfect level of support in every spot.
365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
FOREVER WARRANTY - We guarantee the mattress for as long as you own it. We offer the longest warranty in the industry, and proudly stand behind our products.

Nectar Essential Hybrid King Mattress 25 cm - Medium-Firm Memory Foam - Deep Spring Layer - Quilted Cooling Cover - 365 Night Trial - Forever Warranty

16% Off

Why We Love It

Cooling cover enhances breathability.
Dynamic support regulates temperature.
Forever warranty for peace.

Main Highlights

THE NECTAR ESSENTIAL HYBRID MATTRESS - Nectar’s 25 cm thick medium essential hybrid mattress combines 600 full depth pocket springs and sumptuous memory foam. Our deep sprung hybrid offers cool breathability and localizes movement on the mattress, promoting disruption-free natural changes in position.
QUILTED COOLING COVER - The quilted cooling cover draws heat away from your body and circulates fresh air as you move in the night. The base material keeps your mattress in the correct place on your bed frame and includes handles to make moving your mattress easier.
SIX LAYERS OF LIFE-CHANGING COMFORT - Our dynamic support layer enhances air flow and regulates your body temperature. The memory foam layer is custom designed to provide comfort and support where your body needs it most. Our spring unit is made of 1600 individually wrapped gauge steel springs and is encapsulated in support foam to provide a whole night’s comfort from the middle to the edge.
365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
FOREVER WARRANTY - We guarantee the mattress for as long as you own it. We offer the longest warranty in the industry, and proudly stand behind our products.

Nectar King Hybrid Mattress 365 Night Trial - Memory Foam King Size Mattresses, 6 Layer, Forever Warranty

16% Off

Why We Love It

Perfect balance of comfort.
Enhanced airflow for coolness.
Year-long home trial.

Main Highlights

THE NECTAR HYBRID MATTRESS - Get the perfect mix of comfort and support with Nectar's 25cm hybrid memory foam mattress. Springs combine with memory foam to provide breathability and enhanced airflow that keeps you cool. The micro-spring layer gives added bounce and minimal motion transfer so you sleep soundly through the night.
QUILTED COOLING COVER - Our cover is designed to keep your bed fresh and comfortable all night long. Custom designed to draw heat away from your body and circulate fresh air with every move you make, this is the perfect solution to guarantee a restful night's sleep. Plus, the positioning base material ensures that your mattress stays in place on your bed frame.
SIX LAYERS OF LIFE-CHANGING COMFORT - The Dynamic Support layer ensures your body temperature remains even and provides just the right amount of support with extra bounce. The Micro-Spring layer is specially designed to circulate fresh air through the mattress and draw heat away from your body, while the Pressure Relieving Memory Foam provides support in all the right places. With the 7 Zone supportive base, you can expect a deep sleep all night long.
365-NIGHT HOME TRIAL - Our industry-leading year-long trial period starts the day your Nectar mattress is delivered. Sleep on it in all four seasons.
FOREVER WARRANTY - We guarantee the mattress for as long as you own it. We offer the longest warranty in the industry, and proudly stand behind our products.

TeQsli 5FT King Mattress, 10.6 Inch Gel Memory Foam Pocket Sprung Hybrid King Mattress 7 Zone Orthopedic for Pressure & Back Pain Relief Medium Firm Box 150x200x27cm

Free Shipping

Why We Love It

Advanced cooling gel technology.
Minimal motion transfer support.
Eco-friendly and safe materials.

Main Highlights

💤【TeQsli Upgraded 27cm King Mattress】: The newly upgraded TeQsli 27cm hybrid mattress features advanced CoolFeeling gel memory foam, bringing refreshing coolness to your sleep environment. The specially thickened Wave-Fit memory foam contours closely to your body's curves, relieving fatigue and pressure. Plus, you won't feel the metal springs when you lie down. Designed with 7 ergonomic zones, the individually wrapped pocket springs provide targeted support for every part of your body, helping to prevent spinal discomfort. Love the perfect blend of foam and springs? Don't wait—choose TeQsli now and enjoy a superior sleep experience!
🥇【Motion Isolation & Enhanced Edge Support】: Individually wrapped pocket springs function independently, minimizing motion transfer. When sharing the bed with your partner, you won't be disturbed by their nighttime movements. This 5ft king mattress is ideal for light sleepers, ensuring deep, uninterrupted rest. Designed with double rows of specially reinforced coils, the strengthened edges of this pocket spring mattress help prevent sagging caused by insufficient support.
🌿【Eco-Friendly & Healthy Sleep】: The TeQsli orthopaedic mattress is certified by CertiPUR-US and OEKO-TEX STANDARD 100, ensuring it is free from harmful substances like heavy metals and formaldehyde. The antibacterial and dust-mite-resistant fabric provides extra protection, making it an ideal choice for those with sensitive skin or allergies. Choose this medium firm hybrid mattress, combining memory foam and pocket springs, for a peaceful, healthy sleep.
💖【100-Night Trial & 10-Year Support】: Everyone has different preferences when it comes to mattress firmness—what feels firm to one person may feel soft to another. It takes time to adjust to a new mattress. To ensure your comfort, we offer a 100-night trial and 10-year support for this 150x200cm king mattress. If it's not the right fit for you, just let us know, and we'll do our best to resolve the issue.
📦【Mattress in a Box】: Our memory foam pocket spring orthopedic mattresses are compressed, vacuum-sealed, and neatly rolled in cartons for easy transport and smooth passage through narrow doorways. Due to the metal springs inside, the king mattress is quite heavy, so we recommend having two people carry it. After unpacking, the mattress inflates within 10 seconds. Please allow 24-72 hours for the 5ft mattress to fully expand to its full size. (Note: The mattress expands quickly, so be sure to keep a safe distance during the process). It's compatible with most bed frames, including box springs, slatted beds, and floor beds.

TeQsli Gel Individually Pocket Sprung King Mattress 5FT with Soft Fabric, 10 Inch Hybrid for Pressure & Back Pain Relief, Medium Firm in a Box-150x200x25cm

Free Shipping

Why We Love It

Promotes pressure relief sleep.
Includes enhanced edge support.
Breathable for comfort.

Main Highlights

💤【𝗣𝗿𝗲𝘀𝘀𝘂𝗿𝗲 𝗥𝗲𝗹𝗶𝗲𝗳 & 𝗠𝗼𝘁𝗶𝗼𝗻 𝗜𝘀𝗼𝗹𝗮𝘁𝗶𝗼𝗻】TeQsli 5ft king mattress is made of gel memory foam that conforms to the body's curves, effectively relieving fatigue and pressure. Besides, the gel-infused particles make the sleeping environment cooler. Individually wrapped inner springs support all parts of the body, protecting you from spinal pain. It is good at reducing motion interference, so don't hesitate, choose it now, and you will feel less disturbed by your partner who changes position at night from now on.
💠【𝗠𝗲𝗱𝗶𝘂𝗺 𝗙𝗶𝗿𝗺 & 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗘𝗱𝗴𝗲 𝗦𝘂𝗽𝗽𝗼𝗿𝘁】This 25cm hybrid mattress king combines the comfort of gel memory foam with the support of inner springs to provide a medium-firm feel. With dual rows of specially reinforced coils along the edge, the strengthened four edges can prevent sagging at the edge of the bed due to insufficient support. Regardless of your body type or sleep position, TeQsli firm king mattress provides you with an excellent sleeping experience.
💨【𝗖𝗼𝗺𝗳𝗼𝗿𝘁𝗮𝗯𝗹𝗲 & 𝗕𝗿𝗲𝗮𝘁𝗵𝗮𝗯𝗹𝗲】TeQsli king size mattress is so comfortable, skin-friendly and breathable with its knitted fabric that you’ll feel like sleeping on a cloud. The mattress offers superior breathability and holds you up well, so you won't feel stuffy or uncomfortable and will wake up energetic! This king bed mattress is made of CertiPUR-US certified foam, allowing you to enjoy healthy and comfortable sleep.
📦【𝗘𝗮𝘀𝘆 𝗦𝗵𝗶𝗽𝗽𝗶𝗻𝗴】The memory foam pocket sprung orthopedic mattress is compressed and vacuum-sealed, neatly rolled up in a box for a convenient delivery. It fits most frames like box springs, slatted beds and floor beds. To achieve a better sleeping experience, please allow about 24 hours for the slight odor on the packaging to dissipate and let the mattress fully expand based on the room temperature and ventilation.
💁🏻‍♂️【𝗕𝘂𝘆 𝗶𝗻 𝗖𝗼𝗻𝗳𝗶𝗱𝗲𝗻𝗰𝗲】Sleep preferences vary from person to person, so we recommend that you sleep on the king mattress for a period of time to determine if the mattress is suitable for you. Each TeQsli mattress comes with a 100-night trial. If you have any questions, TeQsli online service will assist you to solve the problem within 24 hours.

Resspry King Size Mattress 5FT, 12 Inch Memory Foam Sprung Hybrid Mattress, 9-Zone Personalized Support for All Sleepers, Medium Firm Puffy Collection, 100 Night Home Trial

6% Off

Why We Love It

Perfect support for all sleepers.
Edge-to-edge comfort and durability.
Motion isolation for peaceful nights.

Main Highlights

PERFECT SUPPORT FOR EVERY SLEEPERS: Say goodbye to restless nights! Resspry king size mattress is expertly crafted with a unique blend of high-density memory foam and durable pocket springs, offering unmatched support for all body types and sleeping positions. Whether you’re a side sleeper, back sleeper, or somewhere in between, this hybrid mattresses adapts effortlessly to your body, delivering personalized comfort and a truly rejuvenating sleep experience.
EDGE-TO-EDGE COMFORT & SUPPORT: Experience the ultimate sleep with our premium high-density foam and reinforced edge support. Our memory foam mattress has thicker springs and a sturdy perimeter to prevent sagging and maximize usable sleep space. Enjoy unwavering support from edge to edge. No more rolling off the edges！
MOTION ISOLATED, ZERO DISTURBED: Tired of being woken up by your partner’s movements? Our motion-isolating pocket springs work silently to absorb motion, ensuring you stay undisturbed all night. Whether you’re sharing the bed or sleeping solo, our memory foam sprung mattress ensures a peaceful, noise-free sleep every night.
SLEEP SAFE, REST EASY: Upgrade your sleep with the Resspry hybrid mattress, certified by CertiPUR-US and Oeko-Tex Standard 100 for ultimate safety and peace of mind. Get ready to transform your sleep and wake up feeling refreshed every day!
SLEEP WITH CONFIDENCE: We are so confident in the quality of our mattress that we offer 100 nights trial. Your satisfaction and comfort are our top priorities. For the best results, simply unbox your mattress and let it expand for 48-72 hours before use.
Resspry TIPS: Your body has formed a memory of your old mattress. Based on this, you may have your preferences and standards of mattress firmness but this is not the international standard. Normally, it takes 4 weeks for your body to adapt a new mattress.

SuiLong 5FT King Size Mattress, 12 Inch Memory Foam Individually Spring Hybrid Mattress, Orthopedic Mattresses for Back Pain Relief, Edge Support, Medium Feel (5ft by 6ft6, 150 x 200 x 30cm)

Why We Love It

Unprecedented comfort with soft surface.
Cool, dry, and breathable.
Supportive with motion isolation.

Main Highlights

【King Size Mattress】Unprecedented Comfort. Finished with a soft fabric, the sumptuously soft mattress surface is your invitation to a superb sleep. The memory foam hybrid mattress has been upgraded from our favourite Utopia Series. You’ll enjoy the pressure relief of 4 layers premium memory foam while being fully supported by breathable and motion-isolating steel coils.
【Cool Orthopaedic Mattress】Naturally Cool. The pocket sprung Mattress boasts remarkable breathability, allowing fresh air to flow up through the individually wrapped coils. In addition, the quilted cover, featuring our breathable fabric, gel memory foam helps you stay cool, dry, and comfortable all night, regardless of the season.
【7 Zone Mattress for Back Pain】Enjoy undisturbed rest from individually wrapped Pocketed coils, engineered to provide motion isolation. These pocketed coils are arranged in 7 zones, each calibrated to support every part of your body. Experience reassuring support right up to the edge of the soft mattress – whether you sleep on your side, back, or stomach.
【Medium Mattress】Mattress is a medium-firm hybrid mattress. This firmness offers a soothing balance of cushioning and support, making it suitable for couples, as well as a wide range of body types and sleep. Reinforced coils line the perimeter of the mattress for strong edge support and prevents sagging at the edges of the mattress.
【SuiLong Mattress】Our Commitment to Quality. We offer a 100-night sleep trial with every mattress purchase. Our mattress comes compressed, vacuum-sealed, and neatly packed in a box for eco-friendly shipping. You can pat and roll on your mattress, flip it so the fabric is facing down and let it sit for 72 hours, which can accelerate expands to its full size, making setup a breeze.

Resspry King Size Mattress, 12Inch Hybrid Mattress for Pressure Relief, Breathable Foam with Individually Pocket Spring, Medium Firm King Bed, Navyx Collection(150×200×30cm)

5% OffFree Shipping

Why We Love It

Optimal support for sleep.
Exceptional comfort every night.
Refreshing cool night sleep.

Main Highlights

Mattress for Optimal Support-Our mattress king size bed adopts innovative VAJRA low-density spring induction system, tailored to each stress point of the body. Compared to traditional springs, it offers superior anti-interference, proven through 30,000 pressure tests. It's more durable, flexible, high elasticity, so that you lie down that is to have a sound sense of sound sleep.
Mattress for Exceptional Comfort-Turning and tossing is a thing of the past. Experience the joy of a vacation-like sleep at home with Resspry's memory foam mattress. Its soft, smooth, and fluffy surface allowing you to enjoy the kiss of the skin, ensuring a cozy night's rest. , effectively isolating your partner's movements. Press pause on disturbed nights with Resspry!
Mattress for refreshing Sleep-To sleep cool ,your mattress has to breathe. the Navyx series memory foam mattress is designed with cooling foam and a moisture-wicking fabric. This unique blend ensures maximum breathability, keeping you dry and comfortable even in warm, humid climates. Say goodbye to hot, sweaty night
Mattress for Every Sleeper-Scientific research indicates that excessively soft mattresses can leading spine to deformation and displacement, while overly hard ones can strain lumbar muscles and hinder blood circulation. Resspry king mattresses strike a perfect balance, offering medium-firm support tailored to suit the preferences of all sleepers for optimal comfort.
Mattress for Easy Delivery-The Mattress is vacuum-sealed and rolled in a box. Easy to carry, unpacks in 10s, fully expands in 72 hrs. Note: Once opened, cannot reroll. Handle for decoration only.

NIXNAP Mattress King Size, 10 Inch Hybrid Mattress with Gel Memory Foam & Individually Pocket Springs, 9-Zone Orthopaedic, Medium Firm for Pressure & Back Pain Relief, 150x200x25cm

44% OffFree Shipping

Why We Love It

Tailored support and pressure relief.
Serene sleep experience design.
Certified safe and healthy.

Main Highlights

🌟【Tailored Support & Pressure Relief】NixNap 9-Zone Orthopedic Mattress King, crafted with high-quality individually wrapped springs and multiple layers of gel-infused foam, adapts perfectly to your body's curves and delivers balanced support. Its thoughtful design relieves pressure points, reduces spinal discomfort, and promotes a truly restful sleep.
💤【Serene Sleep Experience】NixNap hybrid mattress king size uk is designed for undisturbed comfort, with individually wrapped springs that minimise motion transfer and reduce noise, so you and your partner can enjoy truly restful sleep all night long. Reinforced with dual rows of specially strengthened springs along the edges, it provides reliable edge support, making getting in and out of bed safer and easier.
☁️【Breathable & Cool Comfort】Enjoy ultimate comfort with this gel king size memory foam mattresses, crafted with soft, skin-friendly knit fabric and a breathable 3D mesh to keep air flowing and maintain dryness. Cooling gel particles help sustain a refreshing, cool environment throughout the night, so you can sleep comfortably without feeling overheated, and wake up energized!
✅【Certified Safe & Confident Choice】Made with OEKO-TEX STANDARD 100 and CertiPUR-US certified fabric and foam, this pocket sprung king size mattress 5FT is free from harmful substances for your health and safety. Since it can take up to 2-4 weeks to adjust to a new mattress, every NixNap king mattress includes a 100-night trial, giving you ample time to experience its full comfort.
📦【Vacuum-Packed & Convenient Setup】Each NixNap 10 Inch 5ft king-size mattress is vacuum-compressed and neatly sealed in a box to stay clean and make transport easier for you. For the best sleep experience, please allow 72 hours for any slight packaging odor to dissipate and for the firm king size mattress to fully expand, depending on room temperature and ventilation. Should you have any questions, please reach out to the NIXNAP service team—we'll respond within 24 hours.

Inofia King Size Mattress, 10.6 Inch Hybrid Mattress with Aeroshield Memory Foam and NexusArc Pocket Sprung,Cozy and Breathable Fabric,The Elegant Collection,King(150×200×27cm)

40% OffFree Shipping

Why We Love It

Vintage style, never outdated.
Innovative, movement-absorbing memory foam.
Exceptional spinal and back support.

Main Highlights

Discover the Mattress for Quick Slumber---Our king size bed mattress with Aeroshield foam balances softness and elasticity,easing pressure while resisting sagging with high - density support. It boosting your average fall asleep speed by 20% and adding 30 minutes to deep sleep.
Discover the Mattress for an Airy Breath--Indulge in dreamy sleep on mattress king. Its hypoallergenic, anti - mite memory foam cover with moisture - wicking fibers quickly absorbs sweat. The side - paneled airy mesh boosts breathability, ensuring dry, cozy nights even in humidity.Say goodbye to sticky, sleepless nights.
Discover the Mattress with 7-Zone Support Sprung--With 7-Zoned Coil Support, dynamic NexusArc corecoil springs offer tailored lumbar, hip, and shoulder support. Individually wrapped pocket springs ensure less motion transfer.This mattress is your key to cozy dreams, enabling you to sleep like royalty every night.
Discover the Mattress that Offers a Side Hug--No more fear of rolling out of bed! Whether you're sitting up or sharing with a fidgety partner, our mattress's sturdy edges ensure stability. Enjoy every inch of the mattress space without limits. It wraps around you snugly, offering ultimate security.
Discover the Mattress with Sweet Tips--“Please break in with me for 4 weeks, and let me breathe for 24-72 hours before you start using me, If we're not a perfect match, feel free to send me back ”According to the survey by Inofia sleep association, it usually takes about 4 weeks to adapt to new things(just like the breakup adjustment period). Your new Inofia mattress is no exception.

8.9

Excellent

Save 40%

We scanned 1998 products

We reviewed these offers relevant to the King Size Mattresses Dreamcloud within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Nectar, TeQsli, Resspry, SuiLong, NIXNAP, Inofia, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best King Size Mattresses Dreamcloud in the market, we considered we took a deep dive into 9991 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Nectar Double Mattress 25 cm - Medium-Firm Memory Foam - Quilted Cooling Cover - 365 Night Trial - Forever Warranty. We love many things about this product by Nectar. What sets it apart from the competition is Superb spinal alignment support, Cooling cover for comfort, 365-night trial, forever warranty.
The best value product for most shoppers and where user satisfaction is continuously the highest is Nectar Essential Hybrid King Mattress 25 cm - Medium-Firm Memory Foam - Deep Spring Layer - Quilted Cooling Cover - 365 Night Trial - Forever Warranty by Nectar based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for King Size Mattresses Dreamcloud and the best cost-to-value ratio is NIXNAP Mattress King Size, 10 Inch Hybrid Mattress with Gel Memory Foam & Individually Pocket Springs, 9-Zone Orthopaedic, Medium Firm for Pressure & Back Pain Relief, 150x200x25cmat NIXNAP with a 44% discount.
Our list of the best King Size Mattresses Dreamcloud is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best King Size Mattresses Dreamcloud in The UK

Related Deals You Might Like for King Size Mattresses Dreamcloud

Vesgantti King Size Mattress, 10.3 Inch Hybrid Mattress 5FT with Breathable Foam and Individually Pocket Spring - Medium Firm, Classic Box Top Collection(150x200x26cm)

dosleeps 9.4 Inch King Size Mattress 5FT 9-Zone Pocket Sprung Mattress with Memory Foam and Tencel Fabric - Orthopaedic Mattress - Thickness: 9.4 Inch,White

Hiepunos King Size Mattress,10.2 INCH Hybrid Memory Foam and Individually Pocket Spring,5FT King Mattress Medium Firm,Ergonomic Pressure Reducing,Improve Sleeping (150x200x26cm)

Inofia Sleep King Size Mattresses Memory Foam Sprung 5FT, 10.3 Inch Hybrid Mattress with Zone Support Memory Foam & Cooler Knitted Fabric, Medium Firm Original Collection, 100 Night Home Trial

TeQsli 5FT King Mattress, 10.6 Inch Memory Foam Sprung Hybrid Mattress for Pressure Relief & Edge Support, 9-Zone Support Orthopedic Matress Medium Firm with Skin-Friendly Fabric 150x200x27cm

Mellsom King Mattress 5FT, Gel Memory Foam 7 Zone Pocket Sprung Hybrid King Size Mattress, 10 Inch Orthopedic Medium Firm Mattresses for Pressure Relief Motion Isolation, 150x200x25cm

Inofia King Mattress,12 Inch Memory Foam Sprung Mattress 5FT,Sleep Cool and Supportive,Pressure Relieving Airy Comfort Foam,Medium Firm Hybrid Mattress,The Aire Collection(150x200x30cm Medium Firm)

Vesgantti King Mattress, 10 Inch Hybrid Mattress King Size with Breathable Memory Foam and Individual Pocket Spring-Medium Firm, 150x200x25cm

TeQsli King Mattress, 5FT 7-Zone Gel Memory Foam, 10 Inch Pocket Sprung Hybrid Orthopedic Mattress Medium Firm for Pressure Relief and Motion Isolation, King (150x200x25cm)

TeQsli 10 Inch 7-Zone Orthopaedic King Mattress, 5FT Gel Memory Foam & Pocket Sprung Hybrid King Size Mattress for Pressure & Back Pain Relief – Medium Firm – Edge Support – 150x200x25cm

We scanned 1998 products

We concluded that: