Best Mattress £300–500 (2026)
Our top picks for best mattress £300–500 (2026), ranked by independent verdict scores from 3 tested products. Every product here scores 8.7/10 or higher, with an average of 8.8/10 across the list. Tuft & Needle Original Foam Mattress (Double) leads with 8.8/10 — T&N Adaptive foam, pressure relief, cooling graphite, 100-night, 10-year. The affordable innovation mattress. We rank by verdict score first (a blend of owner rating, review volume, and specification depth), not by price or brand recognition.
Why These Made the List
Tuft & Needle Original Foam Mattress (Double) 8.8/10
T&N Adaptive foam is the original alternative to memory foam — more responsive and cooler than standard memory foam
Silentnight Mirapocket 1000 Mattress (Double) 8.8/10
1000 pocket springs contour independently to body shape and movement
John Lewis Anyday 1000 Pocket Hybrid Mattress 8.7/10
John Lewis's customer service and returns policy — the best of any UK mattress retailer
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Top Picks on Amazon
Tuft & Needle Original Foam Mattress (Double)
T&N Adaptive foam, pressure relief, cooling graphite, 100-night, 10-year. The affordable innovation mattress.
Check Price on Amazon ↗ Full Review
Silentnight Mirapocket 1000 Mattress (Double)
1000 pocket springs, Miracoil, medium tension, No-Roll-Together. UK's favourite mattress brand.
Check Price on Amazon ↗ Full Review
John Lewis Anyday 1000 Pocket Hybrid Mattress
1000 pocket springs + foam, medium, 2-year UK warranty, John Lewis service. UK department store benchmark.
Check Price on Amazon ↗ Full ReviewFrequently Asked Questions
What's the best pick for a mattress £300–500 (2026)?
Tuft & Needle Original Foam Mattress (Double) leads our ranking at 8.8/10. T&N Adaptive foam, pressure relief, cooling graphite, 100-night, 10-year. The affordable innovation mattress.
How did you choose which products to include?
Every product here needs a verified 4.0+ star Amazon rating from 200+ reviews before we'll consider it, then we rank by our independent verdict score — a blend of owner data, specification depth, and build quality signals.
Is the cheapest option on this list worth buying?
Not automatically — the lowest-scoring product on this specific list is John Lewis Anyday 1000 Pocket Hybrid Mattress at 8.7/10, which is still a genuine recommendation (we don't list anything below our 4.0+ star floor), but check its full review for the specific trade-offs before choosing it purely on price.
How often do you update this sleep & bedding list?
We re-check pricing, availability, and Amazon rating data on a rolling basis. Products are removed if they fall below our review-quality floor or go permanently out of stock.