{"title":"King Size Open Coil Mattresses","description":"\u003cp\u003eKing size open coil mattresses measure 150 x 200cm (5ft x 6ft 6in). Firm, even support at a great price, including Silentnight Miracoil. Compare firmness ratings, all with free delivery.\u003c\/p\u003e","products":[{"product_id":"kozee-orthopaedic-limited-edition-kingsize-mattress","title":"Kozee Orthopaedic Limited Edition Kingsize Mattress","description":"New Model!! Orthopaedic sprung kingsize mattress with extra deep fillings and now a quality damask cover. Great value and comfort in a superb mattress. In Stock for FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Great value mattress.Now with an improved damask quality fabric covering. Deep and comfy and a brilliant price. Carries an orthopaedic label but we think of it as medium firm.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835891487051,"sku":null,"price":199.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/ltd.edit-matt-1_1_105a483f-e47f-4006-9312-692d4c8d6c75.jpg?v=1792092789"},{"product_id":"topaz-ortho-kingsize-mattress","title":"Topaz Ortho Kingsize Mattress","description":"Extra deep,super strong springs with a hand tufted finish provide the ultimate orthopaedic support.(Depth 30cm).If you like a firm kingsize mattress try this model .Suits all base types.FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"A real favourite in store for people who need a firm mattress.Always on the short list in the extra firm category.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835897844043,"sku":null,"price":369.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/topaz-matt-1_3_9d6c57f3-a70c-42fd-b079-25b8cce3f0a4.jpg?v=1792092822"},{"product_id":"kozee-olympic-ortho-kingsize-mattress","title":"Kozee Olympic Ortho Kingsize Mattress","description":"Best Seller!! Orthopaedic sprung kingsize mattress with extra deep fillings. Great value mattress. In Stock for FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Great value mattress. Really popular. Deep, solid feel for such a keenly priced mattress. Carries an orthopaedic label, we rate it as medium firm and rate it's firmness at 7 out of 10.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835913048395,"sku":null,"price":199.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/olympic-ortho-matt-2_48dfdb82-f0d4-47a0-a099-6cf9f0dcdd58.jpg?v=1792092876"},{"product_id":"kozee-classic-ortho-kingsize-mattress","title":"Kozee Classic Ortho Kingsize Mattress","description":"Popular ortho label kingsize mattress. Good quality damask cover.In Stock for FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"A popular choice! Still a great price and a slightly firmer feel. Good quality damask cover. The average firmness rating of this mattress given out of ten by our staff was 6.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835913081163,"sku":null,"price":159.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/classic-ortho-matt-1_2_d9e1f959-8ede-459a-b42c-a76d373e63df.jpg?v=1792092876"},{"product_id":"deep-sleeper-pine-support-king-size-mattress","title":"Deep Sleeper Pine Support Kingsize Mattress","description":"\u003cp\u003e26cm deep, luxurious quilted king size mattress. Medium feel, great for bed frames. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835961381195,"sku":null,"price":209.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/pine-support-matt_1_516d405d-28eb-427d-98b1-6a19eadedea0.jpg?v=1792092950"},{"product_id":"bard-kingsize-mattress","title":"Bard Sensations Tufted Kingsize Mattress","description":"Extra deep, hand tufted damask covered kingsize mattress for a medium to firm feel.Very popular choice and great value.FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Great value medium support mattress. A real all rounder.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58835976520011,"sku":null,"price":219.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/bard-sensations-matt-1_1_a865cb36-3449-4161-ab2d-cb24cff58549.jpg?v=1792092999"},{"product_id":"kozee-posturerite-ortho-kingsize-mattress","title":"Kozee Posturite Ortho Kingsize Mattress","description":"Orthopaedic sprung kingsize mattress with a firm hand tufted finish and a traditional, hard wearing damask cover. Great value mattress if you are looking for a medium to firm feel. FREE  Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Solid and long lasting mattress at a brilliant price. Carries an orthopaedic label but we think of it as medium firm.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58836050673995,"sku":null,"price":229.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/posturite---mattress_2_8334ad39-7623-4718-b16d-4284d9b4b8d7.jpg?v=1792093182"},{"product_id":"hg-verona-king-size-mattress","title":"HG Beds Verona King Size Mattress","description":"Great value, medium feel king size mattress with an all over damask cover. Excellent for bunk beds.Two sided.In Stock for FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"A popular choice! A great price with a medium feel. Good quality damask cover. The average firmness rating of this mattress given out of ten by our staff was 5.5.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58836501102923,"sku":null,"price":159.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/verona-matt-3_1_1_1_1_31d009b9-c430-4aa9-9971-0ab547eb5ed5.jpg?v=1792093727"},{"product_id":"bard-quilted-king-size-mattress","title":"Bard Sensations Quilted King Size Mattress","description":"Extra deep, quilted, damask covered king size mattress for a medium feel.Very popular choice and great value. FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Great value medium support mattress. A real all rounder.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58836620181835,"sku":null,"price":219.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/bard-sensations-quilted-matt-1_2_686ed2da-bce0-456c-91ab-4e4eae59dd49.jpg?v=1792093779"},{"product_id":"rimini-ortho-king-size-mattress","title":"Rimini Ortho King Size Mattress","description":"Extra deep, super strong springs with a soft touch, knitted fabric cover creates a king size mattress for gentle orthopaedic support.(Depth 30cm). Perfect if you like a firm level of support but a more luxurious surface layer.Suits all base types.  FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"A real favourite in store for people who need a firm mattress.Always on the short list in the extra firm category.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58836666581323,"sku":null,"price":369.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/rimini-ortho-matt-1_3_4f1749b9-c8f2-4078-a589-59067f673033.jpg?v=1792093792"},{"product_id":"kozee-imperial-promotion-king-size-mattress","title":"Kozee Imperial Promotion King Size Mattress","description":"Super value, hand tufted king size mattress with a knitted stretch fabric cover. Deep and comfy, good all-rounder. FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003eMedium feel mattress with a lovely soft knitted fabric cover.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58836885995851,"sku":null,"price":249.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/imperial_promo_matt_1_2_c366d811-f4f3-4acb-943d-610ea520070d.jpg?v=1792094075"},{"product_id":"silentnight-choice-miracoil-memory-king-size-mattress-cushion-top","title":"Silentnight Choice Miracoil Memory Cushion Top King Size Mattress","description":"Silentnight Miracoil memory king size mattress with a deep cushion top. 3 zones of support plus a reinforced edge combine with comfy memory foam for a medium firm hybrid mattress.FREE Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Silentnight's Miracoil Spring System  has twice the springs of a normal mattress.Add a deep layer of memory foam and this mattress offers more support,more comfort and greater pressure relief for all sleepers.With the addition of \"EcoComfort Fibre\" to regulate temperature this mattress is a popular combination at an awesome price.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837099774283,"sku":null,"price":509.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/oslo_memory_full_mattress_1_2_3_c97b18ef-e0ed-40aa-a01c-b3157de83796.jpg?v=1792094254"},{"product_id":"silentnight-miracoil-memory-king-size-mattress","title":"Silentnight Choice Miracoil Memory King Size Mattress","description":"Silentnight Miracoil memory king size mattress with \"EcoComfort Fibre\" fillings and a deep memory foam layer.Great support, pressure relief and comfort. Plus, fillings which reduce the build up of heat as you sleep. FREE Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Silentnight's Miracoil Spring System  has twice the springs of a normal mattress.Add a deep layer of memory foam and this mattress offers more support,more comfort and greater pressure relief for all sleepers.With the addition of \"EcoComfort Fibre\" to regulate temperature this mattress is a popular combination at an awesome price.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837102494027,"sku":null,"price":439.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/seoul_mattress_full_4_3_9d093955-4b2a-44d7-9187-6605f7b70577.jpg?v=1792094258"},{"product_id":"silentnight-choice-miracoil-ortho-king-size-mattress","title":"Silentnight Choice Miracoil Ortho King Size Mattress","description":"Silentnight Miracoil ortho king size mattress with \"EcoComfort Fibre\" fillings. Hand tufted for a firmer orthopaedic feel. Great support,pressure relief and firm comfort.Plus, fillings which reduce the build up of heat as you sleep. Very popular mattress.FREE Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Silentnight's Miracoil Spring System  has twice the springs of a normal mattress.This allows the mattress to offer more support,more comfort and greater pressure relief for all sleepers.With the addition of \"EcoComfort Fibre\" to regulate temperature and hand tufts this mattress suits people who prefer a slightly firmer feel.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837103870283,"sku":null,"price":419.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/amsterdam_full_mattress_1_1_3_1aeea77e-4433-4a3b-8330-1365dc3a0902.jpg?v=1792094263"},{"product_id":"silentnight-choice-miracoil-cushion-top-king-size-mattress","title":"Silentnight Choice Miracoil Cushion Top King Size Mattress","description":"Silentnight king size cushion top Miracoil mattress with \"EcoComfort Fibre\" fillings.Great support, pressure relief and comfort.Plus, fillings which reduce the build up of heat as you sleep. FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Silentnight's Miracoil Spring System  has twice the springs of a normal mattress.This allows the mattress to offer more support,more comfort and greater pressure relief for all sleepers.With the addition of \"EcoComfort Fibre\" to regulate temperature this mattress has become a great mid range all rounder.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837108654411,"sku":null,"price":389.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/rio_full_1_1_3_6b2ece58-eb2e-4548-84b7-7df7bce356a3.jpg?v=1792094265"},{"product_id":"silentnight-essence-easy-care-king-size-mattress","title":"Silentnight Essence Miracoil Easy Care King Size Mattress","description":"\u003cp\u003eGreat value easy care no turn Silentnight Miracoil 3 sprung king size mattress. Now with EcoFibre fillings for cool comfort. In Stock For FREE Express Delivery.\u003c\/p\u003e\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"This is the entry level easy care one sided mattress from Silentnight. However with twice the number of springs as a conventionally sprung mattress and EcoFibre fillings you'll feel the difference. Plus there is an extra density of springs in the centre third where the body is heavier. And extra springs around the edge to avoid that rolling off sensation.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837112619339,"sku":null,"price":369.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/essence_miracoil_easycare_1_1_1_da833884-9a66-4c46-914e-b3783014a5af.jpg?v=1792094270"},{"product_id":"deep-sleeper-vienna-king-size-mattress","title":"Deep Sleeper Vienna King Size Mattress","description":"\u003cp\u003e21cm deep damask covered king size mattress. 13.5 gauge spring unit and polyester fillings creates a softer medium feel, comfy mattress at a good price. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837137883467,"sku":null,"price":189.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/vienna_matt_mk1_3_4995fc07-f64f-42b8-8233-019a2863da99.jpg?v=1792094300"},{"product_id":"deep-sleeper-prime-king-size-mattress","title":"Deep Sleeper Prime King Size Mattress","description":"\u003cp\u003e23cm deep stretch knitted fabric covered king size mattress. 13.5 gauge spring unit and polyester fillings creates a  medium feel, slightly firmer mattress offering excellent value. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837140701515,"sku":null,"price":189.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/prime_mattress_mk1_3_ea62f5a2-8eca-46b8-a50e-c29531831e0e.jpg?v=1792094302"},{"product_id":"deep-sleeper-pine-support-hand-tufted-king-size-mattress","title":"Deep Sleeper Pine Support Hand Tufted King Size Mattress","description":"\u003cp\u003e26cm deep, luxurious hand tufted king size mattress. Slightly firmer feel great for bed frames. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837145813323,"sku":null,"price":209.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/promo_matt_mk1_2_2_d5ec6df6-e685-4f6f-ba2b-10c3635ba9c7.jpg?v=1792094306"},{"product_id":"simplicity-open-coil-king-size-mattress","title":"Simplicity Open Coil King Size Mattress","description":"\u003cp\u003eSimplicity 23cm deep sustainable king size mattress. Recycled open coil spring unit with rod edge support and fillings recycled from plastic bottles. All covered in a soft stretch fabric with hand tufting. Medium feel. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837145977163,"sku":null,"price":229.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/simples_tufted_bonnell_mk1_3_e5870e82-97a2-46dc-a3da-7166fc9df3c9.jpg?v=1792094308"},{"product_id":"tuscan-ortho-king-size-mattress","title":"Deep Sleeper Tuscan Ortho King Size Mattress","description":"\u003cp\u003e26cm deep semi orthopaedic coil spring king size mattress using a robust 12.5g spring unit. Covered by a comfy stretch fabric cover with polyester fillings.  Medium firm feel. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837151777099,"sku":null,"price":229.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/tuscan_ortho_3_24eae257-ddf3-463a-89b6-a7e116c50f63.jpg?v=1792094319"},{"product_id":"contour-pearl-king-size-mattress","title":"Deep Sleeper Contour Pearl King Size Mattress","description":"\u003cp\u003eComfy king size mattress combining a medium feel 13.5 gauge open coil spring unit with a memory foam layer and soft stretch fabric, knitted cover. Hand tufts keep everything in place for years to come. Soft to medium feel. FREE Express Delivery.\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837155479883,"sku":null,"price":249.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/contour_pearl_mk1_3_22fabfe1-3db9-440f-ac8a-7a0d86e090c1.jpg?v=1792094325"},{"product_id":"angelina-king-size-mattress","title":"Angelina Tufted King Size Mattress","description":"Tremendous value king size mattress. Hand tufted for a medium feel with a hard wearing damask cover. Made in the UK. One year guarantee. FREE Express Delivery.\t\t\t\t\t\t\t\t\t\t\t\t\t\t\u003cp class=\"seller-note\"\u003e\"Great value medium support mattress. A real all rounder.\"\u003c\/p\u003e","brand":"The Bed Warehouse Direct","offers":[{"title":"Default Title","offer_id":58837197193547,"sku":null,"price":179.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1093\/6523\/1947\/files\/angelina_matt_mk3_3_be0b6013-aba9-4abe-9509-0fb7546b5fe0.jpg?v=1792094370"}],"url":"https:\/\/www.thebedwarehousedirect.com\/collections\/king-size-coil-spring-mattresses.oembed","provider":"The Bed Warehouse Direct","version":"1.0","type":"link"}