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#3 in Best Mattress in a Box in the UK for 2026
Best for heavier sleepers and supportWATTB90/100

OTTY Original Hybrid Mattress

Our verdict · A firmer, heavily sprung hybrid that offers standout support and edge stability for the money.

Buy it if

Strong support and excellent edge stability

Skip it if

Firm feel may be too much for lighter side sleepers

Where to get it

OTTY Original Hybrid Mattress

WATTB Score

90/ 100

Our research-based editorial assessment.

How we score →

From ~£475 (double, indicative on discount)

Indicative price at the time of review.

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OTTY has quietly become one of Britain's best-regarded bed-in-a-box makers, and the Original Hybrid is why. Up to 2,000 encapsulated pocket springs are paired with cooling memory foam and reflex foam to produce a firmer, well-supported medium-firm feel that heavier sleepers and back sleepers particularly appreciate. Edge support is among the best in the category, and the thick knitted cover with an airflow border helps keep temperatures in check. The trade-off is a shorter 100-night trial than some rivals, though it still comes with a 10-year warranty.

The good & the bad

Pros

  • Strong support and excellent edge stability
  • Up to 2,000 pocket springs for the price
  • Firmer feel favoured by heavier and back sleepers

Cons

  • Firm feel may be too much for lighter side sleepers
  • 100-night trial is shorter than several rivals

How it compares

PickWATTB ScorePriceBest for
1.Simba Hybrid Mattress94/100From ~£549 (double, indicative on discount)overall
2.Emma Original Mattress92/100From ~£290 (double, indicative on discount; RRP ~£349)value
3.OTTY Original Hybrid MattressThis pick90/100From ~£475 (double, indicative on discount)heavier sleepers and support
4.Nectar Classic Memory Foam Mattress86/100From ~£399 (double, indicative on discount)trial period and memory-foam feel
5.Panda Hybrid Bamboo Mattress84/100From ~£640 (double, indicative on discount)temperature regulation and eco credentials
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Key facts

Best for
heavier sleepers and support
Typical cost
From ~£475 (double, indicative on discount)
Type
Spring-and-foam hybrid
Firmness
Medium-firm (approx 7/10)
Springs
Up to 2,000 pocket springs
Trial
100 nights
Warranty
10 years

Researched by WATTB

Published
31 August 2026
Updated
31 August 2026
Last verified
31 August 2026

We research and rank options from public data, official information and published reviews. How we research →

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