{"niche":"What are the top-rated gel memory foam mattresses for under £500?","description":"What are the top-rated gel memory foam mattresses for under £500?","products":[{"brand":"SweetNight","model":"CoolNest Gel Memory Foam Mattress","price_gbp":297.6,"origin_country":null,"specs":{"firmness":"Medium (5) for 14 in","thickness":"14 in","motion_isolation":"Excellent","cooling_technology":"CoolNest cover with PCM-infused foam and gel-infused memory foam","memory_foam_layers":"Polyfoam (PCM-infused); Gel-infused memory foam; Polyfoam; Polyfoam; Zoned polyfoam support core"},"confidence_score":null,"sources":[{"label":"Home Depot","url":"https://www.homedepot.com/p/Sweetnight-Coolnest-Queen-Medium-Memory-Foam-14-in-Mattress-Bed-in-a-Box-Mattresses-HD-14-Q-S01518/336146761","currency":"USD","source_country":"US","price":399.49,"price_gbp":297.6,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"SweetNight (official)","url":"https://www.sweetnight.com/collections/coolnest","currency":"USD","source_country":"US","price":499.0,"price_gbp":371.74,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"Sleep Foundation (affiliate listing with price range)","url":"https://www.sleepfoundation.org/mattress-reviews/sweetnight-coolnest-mattress-review-test-lab-ratings","currency":"USD","source_country":"US","price":499.0,"price_gbp":371.74,"scraped_at":"2026-06-15T18:30:04.062292"}],"summary":"The CoolNest gel memory foam mattress uses a CoolNest breathable cover, PCM-infused polyfoam and gel memory foam layers for cooling and pressure relief, plus a zoned polyfoam support core for targeted support. It comes in multiple thicknesses and firmness levels, and is aimed at hot sleepers and those who want strong motion isolation.","ideal_for":"Suitable for the top-rated gel memory foam mattresses under £500 because the 14 in CoolNest offers medium firmness, PCM cooling, gel memory foam layers, and excellent motion isolation while retailing around entry-level price points."},{"brand":"DreamFoam","model":"DreamFoam CopperFlex Essential (gel swirl memory foam)","price_gbp":155.92,"origin_country":null,"specs":{"firmness":"variable (6 models: 6 in = firm, 8 in = firm-medium, 10 in = medium-firm, 12 in = medium, 14 in = medium-soft)","thickness":"6 in, 8 in, 10 in, 12 in, 14 in","motion_isolation":"Good (all-foam construction provides fairly good motion isolation)","cooling_technology":"Gel/copper-infused memory foam; open-cell foam for airflow","memory_foam_layers":"Top: 1-3 in gel/copper-infused memory foam; (12 in & 14 in add VariFlex transition foam 2-3 in); Base: 4-8 in high-density polyfoam"},"confidence_score":null,"sources":[{"label":"Dreamfoam Bedding (Brooklyn Bedding)","url":"https://dreamfoambedding.com/products/brooklyn-chill","currency":"USD","source_country":"US","price":224.25,"price_gbp":167.06,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Brooklyn Bedding","url":"https://brooklynbedding.com/products/brooklyn-chill","currency":"USD","source_country":"US","price":224.25,"price_gbp":167.06,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"MattressBrands","url":"https://www.mattressbrands.com/products/brooklyn-bedding%E2%84%A2-copperflex%C2%AE-essental-22-size-options","currency":"USD","source_country":"US","price":209.3,"price_gbp":155.92,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"An affordable all-foam mattress available in five thicknesses and many sizes, featuring a gel/copper-infused memory foam comfort layer over a high-density polyfoam base; thicker models add a VariFlex transition layer for more contouring. It offers customizable firmness by height, good motion isolation, and cooling features aimed at budget-conscious shoppers and RV/college use.","ideal_for":"Ideal for finding top-rated gel memory foam mattresses under £500 because its 6-10 in models (with gel/copper memory foam and high-density base) are inexpensive and provide gel cooling and good motion isolation while staying within a budget."},{"brand":"Sleep Innovations","model":"Sleep Innovations Marley 10in Cooling Gel Memory Foam Mattress","price_gbp":223.48,"origin_country":null,"specs":{"firmness":"Medium firm","thickness":"10 in","motion_isolation":"Strong motion isolation","cooling_technology":"Green tea infused cooling gel memory foam","memory_foam_layers":"2 in gel memory foam; 3 in air channel support foam; 5 in base foam"},"confidence_score":null,"sources":[{"label":"Sleep Innovations","url":"https://www.sleepinnovations.com/products/marley-10-medium-firm-green-tea-gel-memory-foam-mattress","currency":"USD","source_country":"US","price":399.99,"price_gbp":297.98,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Amazon","url":"https://www.amazon.com/s?k=Sleep+Innovations+Marley+10+Cooling+Gel+Memory+Foam+Mattress","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Wayfair","url":"https://www.wayfair.com/keyword.php?keyword=Sleep+Innovations+Marley+10+Cooling+Gel+Memory+Foam+Mattress","currency":"USD","source_country":"US","price":308.66,"price_gbp":229.94,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"A 10 in, three-layer gel memory foam mattress with a 2 in cooling green-tea gel memory foam top, 3 in air-channel support layer, and 5 in base foam for stability. It offers medium-firm support, advertised cooling properties, CertiPUR‑US certification, and a soft knit cover; suited for budget shoppers and many sleep positions. Includes a 10-year warranty and ships compressed in a box.","ideal_for":"Good for buyers seeking a top-rated gel memory foam mattress under GBP 500 because it is 10 in thick, medium-firm, has a 2 in cooling gel layer and a 5 in base foam while retailing well under £500."},{"brand":"Linenspa","model":"Linenspa 12in Gel Memory Foam Mattress","price_gbp":178.78,"origin_country":null,"specs":{"firmness":"Plush","thickness":"12 in","cooling_technology":"Gel-infused memory foam","memory_foam_layers":"Quilted fabric cover with gel memory foam comfort layer over foam base"},"confidence_score":null,"sources":[{"label":"Linenspa","url":"https://linenspa.com/products/12-gel-memory-foam-mattress","currency":"USD","source_country":"US","price":239.99,"price_gbp":178.78,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Walmart","url":"https://www.walmart.com/ip/Linenspa-Dreamer-12-Hybrid-Mattress-Queen/380185983","currency":"USD","source_country":"US","price":279.0,"price_gbp":207.84,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"A 12 in gel-infused memory foam mattress with a quilted fabric cover and plush feel that contours for pressure relief while the foam base provides support. It's marketed as cooling via gel infusion and suits sleepers who prefer a softer, contouring surface at a budget price.","ideal_for":"Suitable for the top-rated gel memory foam mattresses under £500 because its 12 in thickness and gel-infused memory foam offer plush contouring and cooling at an affordable price point."},{"brand":"Siena","model":"10in Signature Memory Foam Mattress","price_gbp":219.02,"origin_country":null,"specs":{"firmness":"Medium-Firm (6/10)","thickness":"10 in","motion_isolation":"Strong / low motion transfer","cooling_technology":"Gel-infused memory foam; breathable top layer","memory_foam_layers":"4 layers (includes 2 in contouring memory foam)"},"confidence_score":null,"sources":[{"label":"Siena (official)","url":"https://www.sienasleep.com/mattress","currency":"USD","source_country":"US","price":294.0,"price_gbp":219.02,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"Amazon","url":"https://www.amazon.com/s?k=Siena+10+Signature+Memory+Foam+Mattress","currency":"USD","source_country":"US","price":359.0,"price_gbp":267.44,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"NapLab (review with current sale prices)","url":"https://naplab.com/mattress-reviews/siena-mattress-review/","currency":"USD","source_country":"US","price":359.0,"price_gbp":267.44,"scraped_at":"2026-06-15T18:30:04.062292"}],"summary":"A 10 in all-foam mattress with a 2 in gel-infused memory foam comfort layer over supportive foam, designed for pressure relief, motion isolation, and budget pricing. It offers a medium-firm feel, a breathable cover for basic cooling, a 180-night trial and 10-year warranty, making it a value pick for many sleepers.","ideal_for":"Ideal for the request because its 10 in thickness, 2 in gel-infused memory foam comfort layer, medium-firm feel, and low price keep a queen model under £500 while offering good motion isolation."},{"brand":"Siena","model":"Siena 10in Signature Memory Foam Mattress","price_gbp":219.02,"origin_country":null,"specs":{"firmness":"Medium-Firm 6/10","thickness":"10 in","motion_isolation":"Excellent","cooling_technology":"Gel-infused memory foam; breathable top cover","memory_foam_layers":"4 layers (including 2 in gel memory foam comfort layer, 2 in transitional memory foam, 5.5 in high-density foam foundation)"},"confidence_score":null,"sources":[{"label":"Siena (official)","url":"https://www.sienasleep.com/mattress","currency":"USD","source_country":"US","price":294.0,"price_gbp":219.02,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Mattress Nerd (review with price list)","url":"https://www.mattressnerd.com/siena-mattress-review/","currency":"USD","source_country":"US","price":699.0,"price_gbp":520.73,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Mattress Clarity (review listing price)","url":"https://www.mattressclarity.com/reviews/siena-mattress-review/","currency":"USD","source_country":"US","price":359.0,"price_gbp":267.44,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"The Siena 10in Signature is a value-priced all-foam mattress with a medium-firm feel, gel-infused memory foam comfort, and a high-density foam base for support. It offers strong motion isolation and a breathable cover for better temperature regulation than many budget foams, making it suitable for lightweight and average-weight back and side sleepers. Available with a 180-night trial and 10-year warranty.","ideal_for":"Suitable for top-rated gel memory foam under £500 buyers because it has a 2 in gel memory foam comfort layer and a 10 in total thickness while being priced competitively."},{"brand":"Sleep Innovations","model":"Marley 10in Cooling Gel Memory Foam Mattress","price_gbp":223.48,"origin_country":null,"specs":{"firmness":"Medium firm","thickness":"10 in","motion_isolation":"Strong motion isolation","cooling_technology":"Green tea infused cooling gel memory foam","memory_foam_layers":"2 in gel memory foam; 3 in air channel support foam; 5 in base foam"},"confidence_score":null,"sources":[{"label":"Sleep Innovations","url":"https://www.sleepinnovations.com/products/marley-10-medium-firm-green-tea-gel-memory-foam-mattress","currency":"USD","source_country":"US","price":399.99,"price_gbp":297.98,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"Amazon","url":"https://www.amazon.com/dp/B00XK8S7X6","currency":"USD","source_country":"US","price":299.99,"price_gbp":223.48,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"Wayfair","url":"https://www.wayfair.com/bed-bath/pdp/sleep-innovations-marley-10-inch-memory-foam-mattress-w002071913.html","currency":"USD","source_country":"US","price":308.66,"price_gbp":229.94,"scraped_at":"2026-06-15T18:30:04.062292"}],"summary":"Three-layer 10 in foam mattress with a 2 in gel memory foam comfort layer, 3 in support layer with air channels, and 5 in base foam; medium-firm feel, CertiPUR-US certified, compressed in a box and ships from multiple retailers. Suits sleepers who want a cooler-feeling, budget-friendly memory foam mattress with good pressure relief and low motion transfer.","ideal_for":"Suited for top-rated gel memory foam mattresses under £500 because it is 10 in thick, uses 2 in gel-infused memory foam for cooling, and is sold widely at prices under 500 GBP."},{"brand":"SweetNight","model":"SweetNight CoolNest Gel Memory Foam Mattress","price_gbp":297.6,"origin_country":null,"specs":{"firmness":"Medium (6.5/10)","thickness":"12 in, 14 in, 16 in","motion_isolation":"High","cooling_technology":"CoolNest 3D micro-vent cover + PCMflux phase-change foam + gel-infused memory foam","memory_foam_layers":"5 (CoolNest cover, PCMflux high-resilience foam, gel-infused memory foam, cozy cushioning foam, support base)"},"confidence_score":null,"sources":[{"label":"SweetNight (official)","url":"https://www.sweetnight.com/products/sweetnight-coolnest-mattress","currency":"USD","source_country":"US","price":499.0,"price_gbp":371.74,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Sweetnight-Coolnest-Queen-Medium-Memory-Foam-14-in-Mattress-Bed-in-a-Box-Mattresses-HD-14-Q-S01518/336146761","currency":"USD","source_country":"US","price":399.49,"price_gbp":297.6,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"NapLab review (lists current sale prices)","url":"https://naplab.com/mattress-reviews/sweetnight-coolnest-review/","currency":"USD","source_country":"US","price":499.0,"price_gbp":371.74,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"The CoolNest is an all-foam, cooling-focused mattress available in 12, 14, and 16 in thicknesses with a five-zone support system. It uses a ventilated CoolNest cover, PCM phase-change foam and gel-infused memory foam for temperature regulation and strong motion isolation, suiting hot sleepers and couples.","ideal_for":"Ideal for finding top-rated gel memory foam mattresses under £500 because it offers CoolNest cooling (PCM + gel foam), medium 6.5/10 firmness, and a 14 in option priced at 499, meeting cooling, comfort, and price criteria."},{"brand":"Zinus","model":"Green Tea Memory Foam Mattress","price_gbp":125.9,"origin_country":null,"specs":{"firmness":"Medium (approx 6.5/10)","thickness":"6 in; 8 in; 10 in; 12 in","motion_isolation":"Good / low motion transfer (memory foam comfort layer provides strong motion isolation)","cooling_technology":"Green tea infusion; cooling gel in Cooling/Ultra Cooling variants; knitted jacquard cool fabric on some models","memory_foam_layers":"Top memory foam + polyfoam transition + high-density polyfoam support (layer thickness varies by model: e.g., 12 in: 3 in memory foam + 2 in comfort foam + 3.5 in high density foam + 3.5 in high density foam; 6 in: 1 in memory foam + 1 in polyfoam + 4 in support)"},"confidence_score":null,"sources":[{"label":"Zinus (official)","url":"https://www.zinus.com/products/cooling-gel-memory-foam-mattress","currency":"USD","source_country":"US","price":349.0,"price_gbp":259.99,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"Zinus product listing (Original Green Tea)","url":"https://www.zinus.com/products/original-green-tea-memory-foam-mattress","currency":"USD","source_country":"US","price":249.0,"price_gbp":185.5,"scraped_at":"2026-06-15T18:30:04.062292"},{"label":"SleepDoctor (retailer/review link with shop)","url":"https://sleepdoctor.com/pages/reviews/zinus-mattress-review","currency":"USD","source_country":"US","price":169.0,"price_gbp":125.9,"scraped_at":"2026-06-15T18:30:04.062292"}],"summary":"An affordable all-foam mattress available in 6, 8, 10, and 12 in profiles with a green-tea-infused memory foam top layer, polyfoam transition, and a high-density polyfoam support core. Cooling gel and a cool knit cover are offered in specific Cooling/Ultra Cooling variants; the mattress suits budget shoppers who want classic memory-foam contouring and motion isolation.","ideal_for":"This mattress suits the question because the Cooling variants include a gel memory foam layer (e.g., 2 in gel memory foam in the 12 in Cooling model) and a 12 in option priced under typical budget targets, offering gel-infused memory foam and good motion isolation."},{"brand":"Zinus","model":"Zinus Cooling Green Tea Memory Foam Mattress (10in)","price_gbp":134.09,"origin_country":null,"specs":{"firmness":"Medium-soft","thickness":"10 in","motion_isolation":"High","cooling_technology":"Gel-infused memory foam; green tea infusion; breathable/poly jacquard cover","memory_foam_layers":"2.5 in Green Tea memory foam; 2 in Z:Comfort foam; 5.5 in Z:Base foam"},"confidence_score":null,"sources":[{"label":"Zinus","url":"https://www.zinus.com/products/original-green-tea-memory-foam-mattress","currency":"USD","source_country":"US","price":499.0,"price_gbp":371.74,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Amazon","url":"https://www.amazon.com/dp/B00Q7EPSHI","currency":"USD","source_country":"US","price":179.99,"price_gbp":134.09,"scraped_at":"2026-06-15T18:30:23.664959"},{"label":"Walmart","url":"https://www.walmart.com/ip/Zinus-Cooling-Green-Tea-Memory-Foam-Mattress-10/","currency":"USD","source_country":"US","price":199.0,"price_gbp":148.25,"scraped_at":"2026-06-15T18:30:23.664959"}],"summary":"The Zinus Cooling Green Tea 10 in mattress is a three-layer gel memory foam bed with a 2.5 in green tea memory foam comfort layer over transition and high-density base foams, designed for pressure relief and reduced motion transfer. It uses gel infusion and a breathable cover for enhanced cooling and is offered with a 100-night trial and 10-year warranty. It suits side and back sleepers who want a budget-friendly, contouring memory foam feel.","ideal_for":"Suitable for the top-rated gel memory foam mattresses under £500 because its 2.5 in gel green tea memory foam comfort layer and three-layer construction provide cooling and pressure relief at an affordable price."}]}