10 Best Sofa Bed Replacement Mattresses in The UK

Last updated on 06/08/2025

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Save On Goods UK Visco Elastic Memory Foam Replacement Sofabed Mattress,Metal Action Sofa Bed Folding Bed Settee Mattress (115cm (W) x 180cm (L))

Why We Love It

Superior sleeping comfort with memory foam.
CoolMax feature maintains optimal body temperature.
Designed for convenient transportation and hygiene.

Main Highlights

SOFABED MATTRESS ONLY. Visco Elastic Memory Foam Replacement Sofabed Mattress.
Choice of Sizes. Please measure your existing mattress and see which of ours is closest to match.Approx 10cm deep therefore because it is 10cm thick it will ONLY fit into a metal action mechanism that folds the mattress in half, this is known as a 2 fold action. SEE PICTURES
If your existing mechanism folds the mattress twice then this 10cm thick mattress will not fit. SEE PICTURES
Memory foam, layered on top of medium density foam. Softer hollow fibre layer, with a quilted finish to the sleeping surface. SEE PICTURES
Please check measurements before ordering.
SOFABED MATTRESS ONLY

EVERGREENWEB MATERASSI & BEDS

EVERGREENWEB Foldable Mattress 120 x 190 cm, 10 cm High Perfect on Sofa Bed Seat, Fold-out Couch, Orthopaedic Polyurethane Foam, Hypoallergenic Upholstery with Fixing Laces | BED SOFA

Why We Love It

Orthopaedic and medium firm comfort.
Hypoallergenic and anti-mite fabric.
Easy to assemble.

Main Highlights

✅ Sofa Bed Mattress, Size 120 x 190 cm - Foldable Bed for Guests in Orthopaedic Waterfoam 10 cm High, Medium Firm, Water Foam High Resistance Indeformable, Water Foam polyurethane foam, Ecological. Model BED SOFA.
✅ Upoholstery with Quilting with Massage effect, White Hypoallergenic and Anti-mite Fabric - Super Breathable - guarantees constant air recirculation, keeping it always air-conditioned and releasing it from humidity in excess.
✅ Pre-cut, foldable mattress for the seat measure 60 cm which allows an optimal bed closing. Equipped with 2 laces so that it's easy to assembly the mattress to the sofa.
✅ Oeko-Tex standard 100 class 1 and ISO 9001 certification on all raw materials used - Tested and certified against harmful substances - Safe for the health of the user.
✅ 100% MADE IN ITALY. Vacuum rolled and delivered in an elegant box that is easy to transport. Recyclable. EVERGREENWEB Warranty 2 Years. ⭐️⭐️⭐️⭐⭐️

Doubleslee Folding Mattress Double 4ft6, 6 Inch Foldable Double Bed Mattress Memory Foam, 4 Fold Easy Storage With Washable Cover for Travel, Camping, Caravans, Guest Bed (135x190x15cm)

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Why We Love It

Superior comfort and support.
Breathable and washable cover.
Easy to transport.

Main Highlights

【Superior Support & Comfort】The Doubleslee foldable double mattresses is made of Certified 6 inch Bamboo Charcoal Memory Foam. It offers high-quality resilience. It provides comfortable support for the body while effectively relieving pressure on the body and giving you a cool, cloud-like sleeping experience. This mattress is the perfect combination of comfort, durability, and convenience, making it an ideal choice for anyone.
【Breathable & Washable Cover】The breathable cover is made of skin-friendly knitted fabric, which can absorb sweat and dry quickly, keeping cool after you sleep for a long time. The non-slip cloth at the bottom can prevent sliding during use. Coming with the smooth zipper, the cover of our 4-fold mattress can be easy removed for clean.
【Transportable Mattress】Doubleslee folding double bed mattress is made up of four separate pieces of memory foam and design with 2 handles on both, which is very convenient to move and carry. It unfolds or folds in seconds. When not in use, it is easily placed in small space such as cabinets for storage.
【Multi-functional Design】Doubleslee 4-fold foldable memory foam Mattress can serve many different purposes, making it a practical and multifunctional item to have in your home or when you’re on the go. It is great to use it as a floor mattress ,travelling, camping, and caravans. When not used for sleep, it can be folded into a sofa position, which is very suitable for reading, yoga or playing games with kids. Allows you to get a comfortable and pleasure day whatever you do.
【BUY WITH CONFIDENCE】Doubleslee folding mattress is compressed and vacuum-sealed, neatly rolled up in a box for a convenient delivery.To achieve a better sleeping experience, please allow about 48-72 hours for the slight odor on the packaging to dissipate and let the mattress fully expand based on the room temperature and ventilation.

MeMoreCool Roll Up Floor Mattress Double, Portable Futon Mattress, High Density Foam Foldable Mattress with Travel Bag, Floor Lounger Sleep Mat Guest Bed Mattress for Travel, Car Tent, Gray

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Why We Love It

Comfortable and supportive sleep.
Portable and versatile usage.
Easy machine wash maintenance.

Main Highlights

[Comfortable Foam Floor Mattress] MeMoreCool foldable mattress is made from 3 inches of high-density support foam with strong elasticity, which gives you constant support. Combined with the skin-friendly soft and thick velvet cover, it provides you with comfort and warmth. It is not only soft, but also has maximum support, which allows you to get a excellent sleep experience wherever you go.
[Good Weight Capacity] The roll up mattress is designed to offer maximum comfort and support for a restful sleep, even on hard surfaces or floors. The futon mattress pad can be rolled up and taken with you, can provide perfect comfort on any sleeping bed, indoor floor, and traveling. It is neither too soft nor too hard, and won't fall apart, but soft enough to fit your body perfectly.
[Lightweight & Portable] The portable mattress can be rolled up into a compact size and comes with a travel bag for convenient storage and transportation. Excellent for both indoor and outdoor activities like travel, guest mattress, floor mattress, tatami mat, play mat, car or tent. There are numerous mattress sizes that can be used for single beds, double beds, folding beds, and camping cots.
[Removable Foam Pad and Machine Washable Cover] When using the foam travel sleeping mattress, you can stay worry free about dust, water stains, dirt, or wear because the cozy velvety plush cover can be easily removed and washed in the washing machine. When used on floors, beds, and outdoor tents as well as in RVs, the non-slip design on the bottom is very durable and will not move.
[General Instruction] The compression bags used to transport the sleeping foam mattress. After receiving it, please spread it out and let the travel mattress pad sit on the ground for 3-5 day. The mattress on this camping cot will revert to its original thickness. The expansion time of a mattress may vary depending on the surrounding environment.

Save On Goods UK Replacement Foam Sofabed Bed Settee Put you up Mattress. Metal Action Sofa Matress.Small Double (115cm (W) x 180cm (L) x 5cm (Thick))

Why We Love It

Eco-friendly with 100% recyclable foam.
Features removable, washable cover.
Convenient vacuum-rolled packaging.

Main Highlights

Made from 100% 'Super Support Reflex Foam' for true body support. Medium feel. This sofabed mattress is for a 3 fold mechanism, This is where the sofabed mechanism folds that mattress twice (into 3 pieces) See images.
Replacement foam sofabed mattress,medium feel foam with a soft knitted, removable and washable cover. SOFABED MATTRESS Removable, machine washable cover.
Check measurements before ordering. Approx 115cm (W) x 180cm (L) x 5cm (thick) . PLEASE MEASURE YOUR EXISTING MATTRESS
Replacement sofabed mattress - Check measurements before ordering. Approx 115cm (W) x 180cm (L) x 5cm (thick) . PLEASE MEASURE YOUR EXISTING MATTRESS
SOFABED MATTRESS ONLY. Vacuum rolled for transport convenience as well as health and hygiene purposes.

Save on Goods Replacement Foam Sofabed Bed Settee Put you up Mattress. Metal Action Sofa Matress.Small Double

Why We Love It

Eco-friendly with recyclable Eco-Foam.
Includes machine-washable cover.
Fits 3 fold mechanism.

Main Highlights

SOFABED MATTRESS. Replacement foam sofabed MATTRESS, medium foam with a soft knitted, removable and washable cover.
Made from 100% 'Super Support Reflex' foam with an open cell structure for breathability and a more contoured support thanks to the 'Super Support Reflex' foam used.
Medium feel, Reflex foam that supports and contours your body. This sofabed mattress is designed to fit inside a 3 fold mechanism (see image)
Check measurements before ordering. Approx 115cm (W) x 180cm (L) x 5cm (thick) . Please measure your existing mattress
Removable, machine washable cover. Mattress can be used on both sides.

Meulbaty 10cm Memory Foam Mattress Replacement with Washable Cover for Sleeper Sofa and Couch Beds,King Size(180cm x 150 cmx 10 cm),(Sofa Not Included)

Why We Love It

Exceptional pressure relief comfort.
Perfect fit for king sofas.
Easy to clean and maintain.

Main Highlights

Premium Memory Foam Comfort：Experience superior pressure relief and body-contouring support with 10cm of high-density memory foam. Designed to adapt to your body shape, this mattress reduces tossing and turning for a restful sleep on any sleeper sofa
Perfect King Size Fit：Measuring 180cm x 150 cmx 10 cm, this replacement mattress seamlessly fits most king-sized sleeper sofas and couch beds. Always confirm your sofa dimensions before purchase to ensure a snug, gap-free setup
Breathable Design：Featuring a soft, stretch-knit white cover with enhanced airflow to regulate temperature
Easy Setup & Versatile Use：Lightweight and flexible for effortless installation. Use it as a permanent mattress upgrade, a guest bed topper, or a portable floor cushion for movie nights and camping trips
Durable & Maintenance-Friendly：foam ensures long-lasting resilience without harmful chemicals. The removable cover ，It can be machine washed and drum dried, so it is easy to clean

ZIKEBTUY 137 * 203 * 9CM Japanese Futon Mattress Double Floor Mattress, 9CM Thickness Foldable Tatami Mat Sleeping Bed Pad for Guests, Dormitories, Camping

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Why We Love It

Easily portable and storable.
Comfortable five-layer design.
Versatile for any use.

Main Highlights

Product: 137*203*9cm futon mattress, you will receive a mattress, can roll it up to convenient to store or carry it out; cost-performance model mattress, 9cm thickness, reduce a bit thickness for lower your expenditure, if there is no mandatory requirement for this aspect, it will be a decent choice
Five-layers Structure Design: Skin Friendly Cloth, Whole Piece Soft Microfiber Filling, High Density Memory Foam Layer, Whole Piece Soft Microfiber Filling, Skin Friendly Cloth; Skin-friendly breathable fabric + soft padding, provide a comfortable experience
Detail Enhancement: Compared with those mattress that top and bottom edge directly sewn together, our mattress is sewn up and down separately at right angles style, strong three-dimensional sense, coupled with side double cross precision quilting, the overall three-dimensional and beauty
Multipurpose Mattress: the folding mattress has a stable structure and good support, either as a floor bed or mattress topper is fine, and both indoor and outdoor; 1. Daily Mattress; 2. Comfortable Floor Sleeping Mattress: suitable for people who need to sleep on the floor and temporary overnight guest; 3. Relax Mat/sleep mattress for camping or RV life; 4. Soft Padding for Yoga practice or Play Mat for children to play
Care Instructions: We recommend periodically turning over and rotating the mattress to prevent body impressions. Additionally, it is advisable to dry the floor mattress in the sun regularly to maintain its fluffiness;
Important Tip: Please note that mattress may have a temporary lump in the middle due to compression during packaging. No need to worry as this will naturally disappear after the mattress is laid flat on the floor for a few days

Bonnvia Mattress Topper Double Bed Thick, Mattress Topper Double Bed with Machine Washable Bamboo Fibre Cover

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Why We Love It

Flip for personalized comfort.
Eco-friendly bamboo fabric.
Easy adjustable stability straps.

Main Highlights

2-in-1 Comfort: Experience the perfect blend of memory foam and high-resilience foam in our 7cm thick double topper. Flip the double topper for two different comfort levels.
Bamboo Bliss Fabric: Embrace softness and natural feel of bamboo fiber in double topper. Crafted for comfort, the double topper's fabric is both skin-friendly and creates a serene sleep environment.
Enhanced Stability with Adjustable Straps: Effortlessly secure double topper to your bed. Enjoy a hassle-free sleep as the double topper stays securely in place throughout the night.
Washable Elegance: Our double topper comes with a washable cover, ensuring easy maintenance and a fresh sleep surface. Keep the double topper clean effortlessly for lasting hygiene and comfort.
Certified Peace of Mind: Rest assured with our double topper's Oeko-Tex and CertiPUR-US certifications. Our double mattress topper meets stringent standards for safety and environmental performance, providing a healthy sleep solution.

Bedorzo® Mattress Topper Double Bed, 4 Inch/10cm Thick, Extra Deep & Super Soft Double Mattress Topper Bed with Strong Elastic Bands fit up to 40 CM, Premium Microfiber, Mattress Pad Size 137x190+10CM

13% Off

Why We Love It

Premium Materials and Soft filling.
Ultra thick for max comfort.
Machine washable, easy care.

Main Highlights

PREMIUM MATERIALS & SOFT FILLING: The thick mattress topper double has a tightly woven and thin brushed microfiber fabric which is exceptionally soft, breathable and comfortable. This floor bed is also durable, no risk being ripped even with frequent washing. Compared with traditional bed topper double, it's double filled with premium eco-friendly filling, soft enough, plush and warm. Materials are hypoallergenic, helps diminish the negative outcomes of a person who has sensitive skin.
ULTRA THICK & MAX COMFORT: Bedorzo double bed mattress topper is extra thick and supportive, offering pressure-relief properties that provide greater support for your hips, shoulders, back, and knees. UK’s best extra thick mattress topper come with premium filling retains less body heat than memory foam, causing less uncomfortably warm or hot during the night. This cooling mattress topper can improve your quality of sleep and leave you feeling well rested when morning comes.
UNIQUE BOX SEWING PATTERN: Never seen before, unique box sewing pattern leaves box pockets to hold the filling and keep it evenly distributed. The modern stylish designed sewing pattern of double mattress toppers add more appealing visual aesthetic to your bedroom. Up to 40 cm elastic bands will wrap your mattress toppers perfectly so the pillow top will stay in place and you can toss and turn freely during the sleepy nights.
MACHINE WASHABLE & EASY CARE: Unlike expensive mattress, if Bedorzo’s bed topper double gets dirty and stained, it is allowed to be washed in a large capacity washing machine with cold water, mild detergent and gentle cycle, which helps save huge time and energy over hand washing. It remains fluffy and clean after tumble dry at low heat in large capacity dryer. NOTE: While it can take up to 48 hours for the double bed matress topper to fully expand, you are welcome to sleep on your mattress topper double immediately.
SIZES: Bedorzo mattress toppers come in different sizes that perfectly fit your mattress, like single mattress toppers, small double mattress toppers, double mattress toppers, King mattress toppers, and Super King mattress toppers. SINGLE 90x190+10 cm approx, SMALL DOUBLE 122x190+10 cm approx, DOUBLE 137x190+10 cm approx, KING 150x200+10 cm approx, SUPER KiING 182x203+10 cm approx.
100% CUSTOMER SATISFACTION: Bedorzo aims to provide satisfying pre-sales and after-sales service. Our customer care department will always offer immediate answers to you and fix relevant issues. Here what you'll get is not only best products but excellent service. Purchase one as gift for yourself or your beloved. All of you are deserve the super comfortable & firm mattress topper.

8.7

Excellent

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We scanned 487 products

We reviewed these offers relevant to the Sofa Bed Replacement Mattresses 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 Save On Goods UK, EVERGREENWEB MATERASSI & BEDS, Doubleslee, MeMoreCool, Save on Goods, Meulbaty, ZIKEBTUY, BONNVIA, Bedorzo, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Sofa Bed Replacement Mattresses in the market, we considered we took a deep dive into 2436 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 Save On Goods UK Visco Elastic Memory Foam Replacement Sofabed Mattress,Metal Action Sofa Bed Folding Bed Settee Mattress (115cm (W) x 180cm (L)). We love many things about this product by Save On Goods UK. What sets it apart from the competition is Superior sleeping comfort with memory foam. , CoolMax feature maintains optimal body temperature. , Designed for convenient transportation and hygiene.
The best value product for most shoppers and where user satisfaction is continuously the highest is EVERGREENWEB Foldable Mattress 120 x 190 cm, 10 cm High Perfect on Sofa Bed Seat, Fold-out Couch, Orthopaedic Polyurethane Foam, Hypoallergenic Upholstery with Fixing Laces | BED SOFA by EVERGREENWEB MATERASSI & BEDS based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Sofa Bed Replacement Mattresses and the best cost-to-value ratio is Bedorzo® Mattress Topper Double Bed, 4 Inch/10cm Thick, Extra Deep & Super Soft Double Mattress Topper Bed with Strong Elastic Bands fit up to 40 CM, Premium Microfiber, Mattress Pad Size 137x190+10CMat Bedorzo with a 13% discount.
Our list of the best Sofa Bed Replacement Mattresses 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 Sofa Bed Replacement Mattresses in The UK

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We scanned 487 products

We concluded that: