{"title":"Firmer Mattresses","description":"\u003cdiv class=\"md-guide\"\u003e\n\u003ch2\u003e\u003cstrong\u003eThe Ultimate Firm Mattress Buying Guide\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eKey Takeaways:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Support:\u003c\/strong\u003e A firm mattress is often the \u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Browse Mattress Toppers\" href=\"\/collections\/mattress-toppers\" target=\"_blank\"\u003ebest mattress topper\u003c\/a\u003e to make mattress firmer\u003c\/strong\u003e or provide the primary support needed for neutral spinal alignment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Distribution:\u003c\/strong\u003e Heavier sleepers or back sleepers typically benefit from firmer surfaces to prevent pelvic dip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Matters:\u003c\/strong\u003e Look for high-density reflex foam or high-count pocket springs for consistent, long-term support.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling Benefits:\u003c\/strong\u003e Firmer surfaces allow for more airflow as you sleep \"on\" the mattress rather than \"in\" it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eComparison – Extra Firm vs Medium Firm Mattress\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eChoosing the right level of resistance is vital for comfort. Use the table below to understand the technical differences between our firmness levels.\u003c\/p\u003e\n\u003cdiv aria-label=\"Firmness Comparison Table\" role=\"region\" class=\"md-table-wrap\" tabindex=\"0\"\u003e\n\u003ctable class=\"md-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eFeature\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMedium Firm Mattress\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eExtra Firm Mattress\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003ePrimary Support\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eBalanced reflex foam\/springs\u003c\/td\u003e\n\u003ctd\u003eHigh-density orthopaedic foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eSurface Feel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSlight \"give\" with push-back\u003c\/td\u003e\n\u003ctd\u003eRigid, stable, and highly supportive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eSide and back sleepers\u003c\/td\u003e\n\u003ctd\u003eBack\/stomach sleepers \u0026amp; heavy builds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eSpine Alignment\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eContours to natural curves\u003c\/td\u003e\n\u003ctd\u003eMaximum bracing for flat alignment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003eAn \u003cstrong\u003e\u003ca rel=\"noopener\" title=\"Shop Extra Firm Mattresses\" href=\"\/collections\/extra-firm-mattresses\" target=\"_blank\"\u003eextra firm\u003c\/a\u003e vs \u003ca rel=\"noopener\" title=\"Shop Medium Firm Mattresses\" href=\"\/collections\/medium-firm-mattresses\" target=\"_blank\"\u003emedium firm mattress\u003c\/a\u003e\u003c\/strong\u003e choice often comes down to body weight; those over 95kg frequently find that an extra firm model provides the necessary longevity and support.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWho Should Choose a Firm Mattress?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack Pain Sufferers:\u003c\/strong\u003e An \u003cstrong\u003eextra firm mattress for back pain\u003c\/strong\u003e helps distribute body weight evenly, reducing pressure on the lower lumbar region and preventing the spine from curving unnaturally.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack \u0026amp; Stomach Sleepers:\u003c\/strong\u003e These positions require a flatter surface to keep the hips in line with the shoulders; a \u003cstrong\u003efirm back support mattress\u003c\/strong\u003e is ideal here.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavier Individuals:\u003c\/strong\u003e To ensure durability and prevent premature sagging, sleepers with larger frames should opt for high-density foam or \u003cstrong\u003eextra firm pocket sprung mattress\u003c\/strong\u003e models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllergy Sufferers:\u003c\/strong\u003e Our firm foam models are inherently hypoallergenic and dust-mite resistant, making them a safe choice for sensitive sleepers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThose with Soft Beds:\u003c\/strong\u003e If you aren't ready for a new bed, using the \u003cstrong\u003ebest mattress topper to make mattress firmer\u003c\/strong\u003e can provide a cost-effective orthopaedic upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSize \u0026amp; Dimensions Guide\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eAll our firm mattresses are available in standard UK sizes to fit your existing bed frame perfectly.\u003c\/p\u003e\n\u003cdiv aria-label=\"UK Mattress Size Guide\" role=\"region\" class=\"md-table-wrap\" tabindex=\"0\"\u003e\n\u003ctable class=\"md-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSize Name\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eMetric (cm)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eName (ft\/in)\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eIdeal For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eSingle\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e90 x 190 cm\u003c\/td\u003e\n\u003ctd\u003e3ft\u003c\/td\u003e\n\u003ctd\u003eChildren or guest rooms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eSmall Double\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e120 x 190 cm\u003c\/td\u003e\n\u003ctd\u003e4ft\u003c\/td\u003e\n\u003ctd\u003eTeenagers or small master bedrooms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eDouble\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e135 x 190 cm\u003c\/td\u003e\n\u003ctd\u003e4ft 6in\u003c\/td\u003e\n\u003ctd\u003eCouples with standard room space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eKing\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e150 x 200 cm\u003c\/td\u003e\n\u003ctd\u003e5ft\u003c\/td\u003e\n\u003ctd\u003eTaller sleepers needing extra legroom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003e\u003cstrong\u003eSuper King\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e180 x 200 cm\u003c\/td\u003e\n\u003ctd\u003e6ft\u003c\/td\u003e\n\u003ctd\u003eMaximum personal sleep space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eMaterials \u0026amp; Construction\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eOur firm range is built using premium British materials, ensuring every layer contributes to a supportive sleep environment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Support Core:\u003c\/strong\u003e We utilise high-density \u003cstrong\u003ereflex foam\u003c\/strong\u003e or an \u003cstrong\u003eextra firm pocket sprung mattress\u003c\/strong\u003e base. These materials provide the \"bounce back\" required to support the body's heaviest points without dipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrthopaedic Layers:\u003c\/strong\u003e Every \u003cstrong\u003eorthopaedic mattress for spine alignment\u003c\/strong\u003e features specialized layers designed to keep your musculoskeletal system in a neutral position throughout the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreathable Covers:\u003c\/strong\u003e To counteract heat, our mattresses are finished with breathable, BS7177-certified fabrics that promote airflow across the firm sleep surface.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTopper Options:\u003c\/strong\u003e For those seeking a hybrid feel, a \u003cstrong\u003ereflex foam topper for firmness\u003c\/strong\u003e can be added to provide a crisp, supportive top layer to any mattress.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote class=\"md-callout\"\u003e\n\u003ch2\u003e\u003cstrong\u003eWhy Buy a Firm Mattress from Mattress Depot?\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBritish Made Excellence:\u003c\/strong\u003e Every mattress is designed and manufactured in-house in the UK, ensuring uncompromising quality control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect-from-Manufacturer Value:\u003c\/strong\u003e By eliminating the middleman, we offer luxury \u003cstrong\u003efirm mattress\u003c\/strong\u003e options at fair, honest prices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100-Nights Trial:\u003c\/strong\u003e We offer a 100-night mattress trial to ensure your new firm support level is exactly right for your sleeping style.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e20+ Years of Expertise:\u003c\/strong\u003e With over two decades in the industry, we have helped over 100,000 sleepers find their perfect bed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertified Safety:\u003c\/strong\u003e All materials used are OEKO-TEX® certified and meet strict British safety standards (BS7177).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/blockquote\u003e\n\u003ch2\u003e\u003cstrong\u003eHow to Care for Your Firm Mattress\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrect Setup:\u003c\/strong\u003e Once delivered, unwrap your rolled mattress and allow it to expand for 24–48 hours in a well-ventilated room to reach full firmness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegular Rotation:\u003c\/strong\u003e To maintain even support, rotate your mattress 180 degrees every two weeks for the first three months, then once a month thereafter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse a Protector:\u003c\/strong\u003e Protect the surface from moisture and allergens with a breathable protector (this also helps maintain your 10-year warranty).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaning:\u003c\/strong\u003e Spot clean the cover with a damp cloth and mild detergent if spills occur, but avoid soaking the internal foam layers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSteady Support:\u003c\/strong\u003e Ensure your bed base is in good condition; a sagging base will make even the best \u003cstrong\u003efirm mattress\u003c\/strong\u003e feel unsupportive.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","products":[{"product_id":"essential-ortho-cool-blue-foam-mattress","title":"Essential Ortho Cool Blue Foam Mattress","description":"\u003cdiv\u003e\n\u003cp\u003eEssential Ortho Cool Blue Foam mattress is an 18cm firm, orthopaedic teen mattress. Its 3-layer construction - 14cm Eco foam base, 2cm reflex foam (foam grade 33\/190), and 2cm CoolBlue foam - is finished with a Top Bubble Cover, providing supportive, cooling comfort and easy maintenance. Essential Ortho Cool Blue Foam mattress delivers firm, orthopaedic support for teenagers in an 18cm multi-layer construction. Its 14cm Eco foam base provides solid foundational support, while the 2cm reflex foam layer (foam grade 33\/190) ensures even weight distribution and promotes healthy spinal alignment. The 2cm CoolBlue foam top layer offers cooling comfort and gentle contouring without compromising firmness.\u003c\/p\u003e\n\u003cp\u003eThe mattress features a Top Bubble Cover that is soft, skin-friendly, and removable for easy cleaning - perfect for busy teen bedrooms and sleepovers. The all-foam construction is silent, allowing undisturbed sleep.\u003c\/p\u003e\n\u003cp\u003eManufactured in the UK to high-quality standards, the mattress combines durability, firm support, and cooling comfort, making it ideal for teenagers who prefer a firmer, orthopaedic sleeping surface.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirm\/Orthopaedic Comfort – Supports spinal alignment and provides maximum support\u003c\/li\u003e\n\u003cli\u003e3-Layer Foam Construction – 14?cm Eco foam base, 3?cm reflex foam, 3?cm CoolBlue foam\u003c\/li\u003e\n\u003cli\u003eCooling Comfort – CoolBlue foam regulates temperature for a more comfortable night’s sleep\u003c\/li\u003e\n\u003cli\u003eTop Bubble Cover – Soft, removable cover for easy cleaning and hygiene\u003c\/li\u003e\n\u003cli\u003eSilent All-Foam Design – No springs, no noise for undisturbed sleep\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Visco Therapy","offers":[{"title":"2ft6 Small Single (75 × 190 cm) \/ White","offer_id":57897063842173,"sku":"VESSORTHCBF26","price":139.0,"currency_code":"GBP","in_stock":true},{"title":"3ft Single (90 x 190 cm) \/ White","offer_id":57897063874941,"sku":"VESSORTHCBF30","price":139.0,"currency_code":"GBP","in_stock":true},{"title":"4ft Small Double (120 x 190 cm) \/ White","offer_id":57897063907709,"sku":"VESSORTHCBF40","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"4ft6 Double (135 x 190 cm) \/ White","offer_id":57897063940477,"sku":"VESSORTHCBF46","price":189.0,"currency_code":"GBP","in_stock":true},{"title":"5ft King (150 x 200 cm) \/ White","offer_id":57897063973245,"sku":"VESSORTHCBF50","price":209.0,"currency_code":"GBP","in_stock":true},{"title":"6ft Super King (180 x 200cm) \/ White","offer_id":57897064006013,"sku":"VESSORTHCBF60","price":279.0,"currency_code":"GBP","in_stock":true},{"title":"European Single (90 x 200 cm) \/ White","offer_id":57897064038781,"sku":"VESSORTHCBFEUS","price":139.0,"currency_code":"GBP","in_stock":true},{"title":"European King (160 x 200 cm) \/ White","offer_id":57897064071549,"sku":"VESSORTHCBFEUSD","price":179.0,"currency_code":"GBP","in_stock":true},{"title":"European Double (140 x 200 cm) \/ White","offer_id":57897064104317,"sku":"VESSORTHCBFEUD","price":199.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7386\/2269\/files\/c0b2b1e9-5cac-4e96-a958-fb679d1f9be9_d2029cb6-f1bc-4c9e-be4e-1eaa344016af.jpg?v=1775053670"},{"product_id":"essential-ortho-memory-foam-mattress","title":"Essential Ortho Memory Foam Mattress","description":"\u003cdiv\u003e\n\u003cp\u003eEssential Ortho Memory Foam mattress is an 18cm firm, orthopaedic teen mattress with a 3-layer design: 14cm Eco foam base, 2cm reflex foam (foam grade 33\/190), and 2cm memory foam. Featuring a Top Bubble Zip cover, it provides supportive, pressure-relieving comfort. Essential Ortho Memory Foam mattress delivers firm, orthopaedic support tailored for teenagers, offering an 18cm multi-layer construction. Its 14cm Eco foam base provides solid foundational support, while the 2cm reflex foam layer (foam grade 33\/190) ensures even weight distribution and promotes healthy spinal alignment. On top, 2cm of memory foam contours gently to the body, relieving pressure points and adding comfort without compromising firmness.\u003c\/p\u003e\n\u003cp\u003eThe mattress includes a Top Bubble Zip cover that is soft, skin-friendly, and removable for easy cleaning - perfect for busy teen bedrooms and sleepovers. The all-foam construction is silent, allowing undisturbed sleep.\u003c\/p\u003e\n\u003cp\u003eManufactured in the UK to high-quality standards, the mattress combines durability, orthopaedic support, and comfort, providing a supportive sleep surface for growing teenagers who prefer a firmer feel.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFirm\/Orthopaedic Comfort – Supports healthy posture and spinal alignment for teens\u003c\/li\u003e\n\u003cli\u003e3-Layer Foam Construction – 14?cm Eco foam base, 2?cm reflex foam (Grade 33\/190), 2?cm memory foam\u003c\/li\u003e\n\u003cli\u003eTop Bubble Zip Cover – Soft, removable cover for easy cleaning and hygiene\u003c\/li\u003e\n\u003cli\u003eSilent All-Foam Design – No springs, no noise for undisturbed sleep\u003c\/li\u003e\n\u003cli\u003eUK Made Quality – Crafted to high safety and manufacturing standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Visco Therapy","offers":[{"title":"2ft6 Small Single (75 × 190 cm) \/ White","offer_id":57897064431997,"sku":"VESSORTHMEMF26","price":129.0,"currency_code":"GBP","in_stock":true},{"title":"3ft Single (90 x 190 cm) \/ White","offer_id":57897064464765,"sku":"VESSORTHMEMF30","price":129.0,"currency_code":"GBP","in_stock":true},{"title":"4ft Small Double (120 x 190 cm) \/ White","offer_id":57897064497533,"sku":"VESSORTHMEMF40","price":179.0,"currency_code":"GBP","in_stock":true},{"title":"4ft6 Double (135 x 190 cm) \/ White","offer_id":57897064530301,"sku":"VESSORTHMEMF46","price":179.0,"currency_code":"GBP","in_stock":true},{"title":"5ft King (150 x 200 cm) \/ White","offer_id":57897064563069,"sku":"VESSORTHMEMF50","price":199.0,"currency_code":"GBP","in_stock":true},{"title":"6ft Super King (180 x 200cm) \/ White","offer_id":57897064595837,"sku":"VESSORTHMEMF60","price":269.0,"currency_code":"GBP","in_stock":true},{"title":"European Single (90 x 200 cm) \/ White","offer_id":57897064628605,"sku":"VESSORTHMEMFEUS","price":139.0,"currency_code":"GBP","in_stock":true},{"title":"European King (160 x 200 cm) \/ White","offer_id":57897064661373,"sku":"VESSORTHMEMFEUSD","price":169.0,"currency_code":"GBP","in_stock":true},{"title":"European Double (140 x 200 cm) \/ White","offer_id":57897064694141,"sku":"VESSORTHMEMFEUD","price":189.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/7386\/2269\/files\/c0b2b1e9-5cac-4e96-a958-fb679d1f9be9_6d80a20f-425b-409f-b7de-390ce579e493.jpg?v=1775053652"}],"url":"https:\/\/themattressdepot.co.uk\/collections\/firm-mattresses.oembed","provider":"Mattress Depot","version":"1.0","type":"link"}