Kingsize (5') Memory Foam Mattresses Under £150

This Iyer nature gel memory foam mattress is designed with a double-layer all-foam system, improving support and heat dissipation, mattress layers include a 2cm certified gel memory foam layer and 10cm of high-density base support foam for ultimate comfort. It includes a soft hypoallergenic cover layer that is washable for your convenience. All-foam bed design combines expertise and the best materials with advanced sleep technology. Memory foam is conducive to continuous airflow and breathability; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief. Specialized foams reduce the motion transfer of a partner so your sleep is undisturbed. This mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box springs, floor, slatted base, flat platform or adjustable bed, and hospital bed. Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.

Great quality affordable memory foam mattress that provides both great comfort, support and heat distribution. Medium firm is perfect for my needs; I'm a stomach sleeper. It came in a box, very easy to unpack and transfer onto the bed frame. It includes a soft hypoallergenic cover layer that can be removed and washed. I highly recommend it!. Kazimierz. Culduthel Inverness, GB. Mon Jul 27 2026

Sleep. Grow. Thrive. The Thrive Kids Trundle Eco Comfort Foam Mattress is designed to give children and teens a supportive, comfortable night’s sleep at an affordable price. Built with high-density Eco foam, this medium-firm mattress provides orthopaedic support that helps growing bodies maintain healthy posture and proper spinal alignment. Perfect for trundle beds, bunk beds, cabin beds, and guest beds, the low-profile design fits safely and securely into most raised frames. The silent, spring-free foam construction ensures no noisy springs or motion transfer, making it ideal for shared bedrooms, sleepovers, or light sleepers. This mattress is UK made with over 20 years of mattress-making experience, using CertiPUR certified foam and BS7177 fire safety compliant. The quilted, zip-off machine-washable cover keeps the mattress fresh, while the hypoallergenic, dust-mite resistant foam supports a healthier sleep environment for children. Lightweight, durable, and easy to clean, the Thrive Kids mattress is a smart, value-for-money choice for parents looking for comfort, support, and practical features without overspending.

Just as described, needed a mattress for a trundle bed and this is fine. It’s for the grandchildren so I haven’t used it yet but looks and feels ok.. Sg. Bedworth, GB. Fri Oct 23 2026

Designed to provide supportive everyday comfort, this 12.5cm deep full-foam mattress features next-generation open-cell Reflex Foam with a medium-firm feel. With no springs inside, the mattress provides consistent support across the sleeping surface while offering a comfortable combination of cushioning and responsive bounce-back. The Reflex Foam structure is made up of thousands of tiny air cells that compress and respond as you lie on the mattress. This allows the foam to gently contour to the body while providing supportive resistance and returning to its original shape when not in use. Finished with a soft, breathable fabric across both the sleeping surface and border, the mattress encourages airflow to help manage excess heat and maintain a fresh and comfortable sleeping environment throughout the night. For convenient delivery and easier handling around the home, the mattress is compressed, vacuum-packed, rolled and boxed. Once unpacked, allow approximately 24–48 hours for the mattress to fully expand and return to its intended size and shape.

Firm mattress as described. Received next day with free delivery. Very happy. Asc. London. Wed Aug 05 2026

Our slimmest mattress, made for the lowest bed frames — a great choice for a child's first proper mattress in bunk beds, cabin beds and mid-sleepers. Visco-elastic memory foam moulds to your child's shape, supporting the spine and neck while dispersing weight evenly to ease pressure at the shoulders, hips and lower back. Its open-cell structure lets air circulate freely, and the foam is dust mite and mildew resistant. Delivered rolled and boxed. Once unwrapped, allow 48–72 hours in a well-heated, well-ventilated room for the mattress to expand to full size and for the initial foam odour to clear. General information: Manufacturer's 1 year guarantee.

Bought it as a bed topper. Very happy with the purchased. Delivered on time. Yaku. Cork, Ireland. Tue Jan 21 2025

A little extra depth for a first grown-up bed — ideal for teenage girls moving on from a bunk or cabin frame, while still fitting compact frames comfortably. Visco-elastic memory foam moulds to your shape, supporting the spine and neck while dispersing weight evenly to ease pressure at the shoulders, hips and lower back. A firmer layer beneath holds you level, which matters while you're still growing. Delivered rolled and boxed. Once unwrapped, allow 48–72 hours in a well-heated, well-ventilated room for the mattress to expand to full size and for the initial foam odour to clear. General information: Manufacturer's 1 year guarantee.

My son loves his new mattress. He said it’s so nice not having a spring sticking in his back!. Jo. Sat Mar 14 2026

The Westwood Ortho Firm Foam Mattress by The Foam People has been carefully designed to provide reliable firm support, practical comfort, and long-lasting durability for everyday use. Featuring a high-density reflex foam core, this orthopaedic mattress helps to evenly distribute body weight while promoting healthy spinal alignment, making it an excellent choice for those who prefer a firmer sleeping surface.At 10cm deep, the Westwood mattress combines supportive comfort with a compact, low-profile design that is ideal for a wide range of bed types and spaces. Whether used on bunk beds, cabin beds, guest beds, trundle beds or day bedsthis versatile foam mattress offers dependable comfort without unnecessary bulk.The breathable hypoallergenic cover helps create a fresher and more comfortable sleeping environment, while the lightweight construction makes the mattress easy to move, rotate, and position when needed. Designed and manufactured in the UK, the Westwood Ortho Firm Foam Mattress is crafted using quality materials to deliver excellent value, practicality, and performance.Perfect for children, teenagers, guest rooms, occasional use sleeping spaces, and leisure vehicles, this mattress is an ideal solution for customers seeking firm orthopaedic-style support in a slim and versatile design. Delivered rolled and boxed for convenience, the mattress quickly expands and is ready to provide supportive comfort night after night.

Thrive Kids Eco Comfort Foam mattress is designed with children’s comfort and safety in mind. Its 14cm high, medium-firm foam core provides a stable, supportive sleeping surface that promotes healthy posture and spinal alignment, perfect for kids, toddlers, and teenagers. The low-profile design makes it especially suitable for trundle beds and bunk beds, fitting securely while offering consistent support. Made in the UK using high-density EcoFoam sourced from recycled materials, the mattress is durable, safe, and environmentally conscious. It meets BS7177 fire safety standards and is CertiPUR-US certified for low chemical emissions, giving parents confidence in both comfort and quality. The removable, machine-washable quilted zip cover makes cleaning easy - ideal for busy households, sleepovers, or guest rooms. The sanitised, hypoallergenic foam naturally resists dust mites and allergens, helping to maintain a cleaner, healthier sleep environment for allergy-sensitive children. With a spring-free design, the mattress is silent and absorbs motion, ensuring uninterrupted sleep for light sleepers or siblings sharing a room. Practical, durable, and eco-friendly, it’s the perfect mattress for trundles, bunk beds, and guest use.

Disappointing Quality and Unpleasant Smell Unfortunately, Im very disappointed with this mattress. I bought it for my son, but I found it far too dense, heavy and uncomfortable. Im also not happy with its overall structure and quality. On top of that, it has a very strong, unpleasant smell that simply wont go away, even after several days. I expected much better quality, especially from a mattress designed for children. I wouldnt recommend it.. Rafaela. London, GB. Fri Oct 30 2026

Upgrade your sleep with this premium mattress topper. Featuring a 7cm high-density foam base and a 3cm cooling gel memory foam layer, it offers balanced support and pressure relief. The anti-slip bottom and adjustable corner straps keep it securely in place.

Very soft and comfortable.. Stella. US. Fri Jun 19 2026

This mattress offers a top layer of memory foam for comfort and a middle layer of Reflex foam and base layer of EcoFoam for support. Memory foam is soft and pliable allowing it to follow the outline of your body. With a layer of pressure-sensitive memory foam, it is recommended by chiropractors and doctors alike. This mattress supports your body and spine, allowing your body to find a good position and improving blood circulation, resulting in improved sleep. A thick bottom layer of EcoFoam foam is used as the support mechanism/foundation layer in this mattress, providing a supportive layer to ensure your weight is distributed properly. This mattress is completed with a zip-off, double jersey, quilted, dry cleanable cover for improved comfort. This product has been designed and manufactured in the United Kingdom to provide high quality and ensure it conforms to all British fire regulations. Please note: The additives used in the manufacturing of foam may give rise to a slight odour. If this should occur, please remove all packaging and store it in a well-ventilated room for 48 hours. The odour is safe and will dissipate over time.

Perfect item, looks amazing in my new room!. Demi. Hull, GB. Thu Oct 01 2026

An all-foam mattress designed using high-quality materials for an uninterrupted night's sleep. The mattress features high-density reflex foam as its core material. Reflex foam is a no-sink material as a very supportive and durable foam. Unlike memory foam, reflex foam is fairly firm, is not temperature sensitive, and does not mold to your body, it provides a relatively quick bounce back. Due to these special properties, the foam provides great support, it will distribute your weight evenly to relieve pressure from key areas such as your neck, shoulders, hips, and back. Due to the springless design, the mattress allows for a silent, undisturbed night's sleep. 'No roll together is a great advantage to an all-foam reflex mattress. This means both users will not find themselves rolling towards the middle of the mattress, you will also not disturb a sleeping partner when moving around at night. The mattress comes complete with a quilted cover for extra comfort. The cover is also removable to allow for easy cleaning and maintenance. Sanitized materials are used to provide hypoallergenic and anti-dust mite properties. A great mattress for allergy and asthma sufferers. This mattress is vacuum-packed and rolled for easy delivery. Please allow up to 72 hours once opened for the mattress to expand and reform to its original shape. Please Note: The additives used in the manufacturing of foam may give rise to a slight odor. If this should occur, please remove all packaging and store it in a well-ventilated room for 48 hours. The odor is safe and will dissipate over time.

Nice mattresses!. Shimaa. London, GB. Wed Apr 15 2026

Giving you the perfect blend of comfort and support without the need for a thicker mattress, the 12cm deep Reflex delivers on quality and affordability. Available in Shorty, Small Single, Single, Small Double, Double and King sizes. Topped with a layer of responsive memory foam on a base of reflex foam, all encased in a hypoallergenic Tencel cover, the medium firm comfort level is suited to all sleepers, no matter your position, making it a great choice for guest beds or children’s rooms. The slim profile is also ideal for bunk beds, holiday homes, and caravans. Especially designed to reduce roll-together through minimised movement transfer, this mattress is perfect for couples, and since there are no springs, the noise-free sleep experience helps to reduce waking periods, giving you a more restful night.

Very comfortable, would definitely recommend!. Anonymous. Sat Sep 12 2026

Our budget Recon foam mattress is great value for anyone who is looking for a firm mattress and does not like the feel or warmth associated with memory foam, or the bounce that comes from springs. Recon foam is a non-reacting foam and therefore provides great orthopaedic support to the body. This silent mattress is suitable for all bed types. Single-sided mattress - please do not turn. Vacuum packed and rolled for easy delivery and transportation. Please note: once unrolled the mattress requires up to 72 hours to fully expand and reform to its original shape. The additives used in the manufacturing of foam may give rise to a slight odour. If this should occur, please remove all packaging and store in a well ventilated room for 48 hours. The odour is safe and will dissipate overtime.

Came air packed but opened up properly within 48 hours. Comfy mattress really good price. Samantha. Grangemouth, GB. Sun Sep 15 2024

Your bed is the most important place in your home — the place you unwind, recharge and reconnect. The Two-Sided Sleeping Houndstooth Mattress makes it your favourite spot in the house, pairing timeless, runway-inspired tailoring with genuinely clever sleep engineering. Two sides, your choice. Can't decide between a plush or a firm feel? You don't have to. Flip this mattress to pick your side: the Medium side delivers soft, contouring comfort that moulds to your body and eases pressure points; the Firm side offers a firmer, more supportive feel that keeps your spine aligned and your back happy.

Great mattress very comfortable to me I’m happy with my purchase.. Janae. Wed Sep 02 2026

Give your child a comfortable, supportive night’s sleep with the Thrive Kids Trundle Support Foam Mattress. Designed with a practical 10cm low-profile design, this mattress is ideal for trundle beds, bunk beds and guest beds, making it a versatile choice for children’s bedrooms and occasional sleeping arrangements. Made in the UK using high-density reflex foam, the mattress provides balanced, medium/regular comfort while helping to distribute body weight evenly for reliable support throughout the night. The supportive foam construction is designed for children and teenagers, while the compact profile makes it particularly well suited to space-saving bed frames. The hypoallergenic foam makes the mattress a practical choice for allergy-sensitive children, helping to create a more comfortable sleeping environment. A removable cover also makes everyday care and cleaning easier. For convenient delivery and handling, the mattress is vacuum packed and rolled. Once unpacked, simply allow up to 72 hours for the mattress to fully expand before use. Manufactured in the UK, the Thrive Kids Trundle Support Foam Mattress conforms to British Fire Regulations, providing added reassurance for parents.

Anonymous. Thu Sep 10 2026

This mattress is taken from our unique uni contract range – this mattress is designed specifically for commercial business and exclusively for hostels, hotels, halls of residences, students & universities which exceeds all required standards whilst providing both long-term value and superb levels of comfort. The mattress is designed with a Stamford stripe top panel with a 4-inch border (approximately 10cm). This full-foam orthopedic reflex foam mattress provides soft comfort. The reflex foam is made up of thousands of air bubbles that expand and contract when the sleeper lays on the mattress, providing the body molding and bounce-back properties which offers the user a firm yet hugely comfortable sleep experience whilst always returning to its natural shape when not in use. The contract mattress is fully compliant with all UK & EU legislation and regulations including fire tests & regulations source 5 fire retardant (medium hazard). We’ve also created this mattress to be dual-sided with our signature Stamford stripe fabric on both sides allowing the sleeper to either rotate or flip the mattress. This mattress will arrive vacuum-packed, rolled, and boxed. Once the mattress has been unpackaged, we recommend leaving the mattress for 24 to 48 hours to allow it to expand to its original size.

Good mattress. Light, supportive, comfortable, doesn't have a chemical smell like some mattresses do.. Anonymous. St. Leonards-on-sea, GB. Wed Aug 07 2024

Our budget recon foam mattress is great value for anyone who is looking for a firm mattress and does not like the feel or warmth associated with memory foam, or the bounce that comes from springs. Recon foam is a non-reacting foam and therefore provides great orthopaedic support to the body. This silent mattress is suitable for all bed types. Single-sided mattress - please do not turn. Vacuum packed and rolled for easy delivery and transportation. Please note: once unrolled the mattress requires up to 72 hours to fully expand and reform to its original shape. The additives used in the manufacturing of foam may give rise to a slight odour. If this should occur, please remove all packaging and store it in a well-ventilated room for 48 hours. The odour is safe and will dissipate over time.

Excellent piece of kit. Best value for money.. Anonymous. Sun Dec 01 2024

An Ortho foam quality mattress provides firm orthopaedic support when used on either a divan base or a bed frame, helping to maintain the correct alignment of the spine and neck for a healthier and comfortable night sleep. Please note that fabric patterns may vary slightly from what’s pictured, but the quality remains the same.

Helped my back problems. Anonymous. Sat Jul 04 2026

Our budget Recon foam mattress is great value for anyone who is looking for a firm mattress and does not like the feel or warmth associated with memory foam, or the bounce that comes from springs. Recon foam is a non reacting foam and therefore provides great orthopaedic support to the body. All materials are hypoallergenic and sanitised - perfect for allergy sufferers. Also includes anti dust mite properties. This silent mattress is suitable for all bed types. Single sided mattress - please do not turn. Vacuum packed and rolled for easy delivery and transportation. Please note: once unrolled the mattress requires up to 72 hours to fully expand and reform to its original shape. This mattress is available in multiple sizes including: 3FT single, 4FT Small Double, 4FT6 Double, 5FT King.

Really good. Bought for a small kids bed.good quality. Anonymous. Sat Dec 07 2024

Get the perfect balance of comfort, support, and affordability with our premium memory foam mattress, designed to deliver restorative sleep without breaking the bank. Crafted with body-hugging memory foam, this medium-firm mattress contours to your shape, providing ergonomic support that helps you wake up feeling refreshed. Infused with green tea and active charcoal, this mattress actively combats odours and moisture, keeping your bed feeling fresh night after night. The breathable knitted cover enhances airflow, ensuring a cooler, more comfortable sleep experience. Certified by OEKO-TEX® and CertiPUR-US®, it meets the highest safety and environmental standards, so you can rest easy knowing it’s free from harmful chemicals. For ultimate convenience, this mattress arrives compressed and rolled in a compact box—simply unbox, unroll, and watch it expand to its full shape within 72 hours. Backed by a 10-year limited warranty, it's an ideal choice for guest rooms, spare bedrooms, or everyday use.

Great mattress even though it’s only slim. Would definitely buy again. Jenni. South Cumbria. Sat Oct 17 2026

Enjoy the perfect balance of comfort and support with the The Foam People Westwood 10cm Memory Foam Mattress. Expertly handcrafted in the UK, this dual-layer mattress combines a body-contouring 2.5cm memory foam comfort layer with a supportive 7.5cm high-density reflex foam base, helping to relieve pressure while promoting healthy spinal alignment. Designed for everyday comfort, the Westwood is ideal for adults, children, guest rooms, bunk beds and trundle beds thanks to its practical 10cm depth. The breathable, hypoallergenic knitted cover encourages airflow while helping to create a cleaner sleeping environment. Whether you're replacing an existing mattress or furnishing a spare room, the Westwood delivers dependable comfort, excellent support and long-lasting durability in a compact design.

This memory mattress is designed with a dual-layer, all-foam system with a very gentle and considerate gel memory foam layer. This layer can be personalized to mold to your body and contours, thus reducing pressure points on your body and giving you the sensation of floating on air. This special design relieves fatigue and stress, leaving you feeling relaxed and at ease, which in turn leads to a higher quality sleep experience.

Love this mattress. I have back issues and needed a firmer bed and this one has been perfect. Very firm and very comfortable.. Stephanie. NJ. Fri Jun 27 2025

Indulge in a restful and rejuvenating sleep with our memory foam mattress. Medium Comfort is supportive for most body types and sleep positions. Too-soft mattresses don’t give proper support and can cause back problems in the long run. Too-hard mattresses don’t provide pressure point relief. The sweet point is our medium mattress strikes the right balance between comfort and support and promotes better sleep.

Super comfortable, great depth very reasonably priced. Anonymous. Shoreham-by-sea, GB. Wed Aug 05 2026

Unlike standard toppers that shift and slide, this model features a fully enclosed fitted cover with an elasticated deep skirt that stretches to fit securely over mattresses up to 30cm thick. The snug, wraparound design ensures the topper stays perfectly in place all night long—no more bunching, slipping, or readjusting. Simply pull the skirt over your mattress like a fitted sheet and enjoy stable, uninterrupted comfort from edge to edge.

Enjoy a comfortable and supportive night’s sleep with this Gel Memory Foam Bonnel Spring Mattress, designed for everyday comfort and practicality. Conveniently delivered flat packed, the mattress is easy to set up—simply remove it from the box, roll it onto your bed, and allow up to 48 hours for it to fully expand before use. The durable Bonnel spring system provides a stable and supportive foundation, helping to evenly distribute weight and promote a good sleeping posture, while the gel-infused memory foam layer gently adapts to your body for enhanced comfort, pressure relief, and a cooler night’s sleep. Combining reliable support with modern convenience, this mattress is an ideal choice for a restful and refreshing sleep experience.

Lovely comfortable mattress. Margaret. Selston Nottingham, GB. Wed Jul 29 2026

Our Memory Foam Mattress is OEKO-TEX Certified to ensure a healthy sleep and give you peace of mind knowing you are receiving the best quality you deserve for a good nights sleep. Our mattress is made up of 7 layers, each adding a specific function to support the natural curves of your body, providing targeted support and pressure dispersion to relieve your body of any stress points allowing you to enter a more deep sleep through the night. The Memory foam layer is made up of open cell breathable foam making it skin friendly and allows good air flow. It comes vacuum packed in a box and only takes 72 hours to become the supportive, comfortable mattress that you need

This anti-allergy mattress protector prevents the growth of bacteria and is dust-mite resistant to help you sleep more comfortably. Crafted from cotton for a soft feel, this topper has a zip fastening, making it easy to remove, and is machine washable for easy care.

Perfect so easy to put on and take off for washing. Jolanta. Washington, GB. Thu Feb 15 2024

Upgrade your sleep with this 7cm dual-layer topper. A 3cm blue gel memory foam layer regulates temperature, while 4cm of 25D high-density foam provides orthopaedic support and pressure relief. Adjustable elastic corner straps with buckles keep it securely in place. Perfect for refreshing tired mattresses.

This Deluxe mattress utilises the Traditional 13.5 gauge Bonnell spring base combined with layers of high density polyester padding and a layer of memory foam for extra added comfort. This base offers a sturdy long-lasting supportive base to your mattress providing you with support where you need combining the spring base with layers of quality fillings providing comfort and support, giving you the rest you need. Taking it one step further we have added a layer of memory foam to enhance your sleep adding a layer of comfort that conforms to your natural curves. Beautifully finished with high-quality border and a hand tufted top panel providing that exceptional look and soft touch for added comfort, utilizing breathable fabric the mattress allows airflow throughout the night so you can stay cool throughout the night.

unreal, didn’t take long to deliver and so soft. would definitely recommend i am in love .. Anonymous. Mon Feb 24 2025

Enhance your sleep with this innovative dual-layer mattress topper. The top layer features 2cm of 30D Ocean Blue memory foam, offering a cooling, pressure-relieving surface that adapts to your body. Beneath it, a 3cm high-density grey foam base provides robust, firm support and superior durability. This combination delivers a balanced sleep experience, targeting pressure points while maintaining proper spinal alignment. A perfect, breathable upgrade for any bedroom, guest room, or sofa bed.

This premium mattress delivers lasting comfort and support for all sleepers. Its durable, easy-clean fabric cover pairs with multi-layer fillings and reinforced seams for strength and longevity. Individually wrapped pocket springs reduce motion transfer, keeping you undisturbed for a quieter, deeper sleep. Engineered for resilience, it resists sagging and wear even with long-term use. Safe, supportive, and built to suit all ages, it is an ideal choice for restful, refreshing sleep every night.

Hybrid Mattress – Supportive, Comfortable, and Cool Experience superior comfort with the Hybrid Mattress, combining responsive pocket springs and plush memory foam for balanced support and pressure relief. Its medium firmness suits all sleep styles, while the breathable design promotes airflow to keep you cool and dry. Individually wrapped springs reduce motion transfer and noise, ensuring a peaceful sleep—even if your partner moves. Conveniently delivered in a box, it’s easy to set up and ready to transform your sleep in seconds.

Hybrid Mattress – Supportive, Comfortable, and Cool Experience superior comfort with the Hybrid Mattress, combining responsive pocket springs and plush memory foam for balanced support and pressure relief. Its medium firmness suits all sleep styles, while the breathable design promotes airflow to keep you cool and dry. Individually wrapped springs reduce motion transfer and noise, ensuring a peaceful sleep—even if your partner moves. Conveniently delivered in a box, it’s easy to set up and ready to transform your sleep in seconds.

The mattress offers a perfect balance between comfort and support, providing you with the ideal sleeping experience. Available in both 4 and 6-inch thickness options, you can select the one that best meets your preferences and needs. Additionally, the mattress comes in a range of sizes, allowing you to find the perfect fit for your bed. Whether you have a single, small double, double or king-sized bed, there is a Recon mattress for you. With its carefully designed construction, the mattress ensures optimal comfort, relieving pressure points and promoting a restful night's sleep. Say goodbye to tossing and turning and wake up feeling rejuvenated and energized with the Recon mattress.