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Mattress Online Horizon Discovery 1500 Pocket Memory Mattress review

£339.96 View retailers

Test scoreShow Context

Key features
  • Memory foam and springs
  • Average warmth
Expert review

The Mattressonline Horizon Discovery 1500 mattress combines a pressure-relieving memory foam layer laid with a mini pocket-spring core. It claims to ‘react independently to your unique shape, absorbing motion and reducing any partner disturbance.’ But does it? The stringent Which? test programme reveals all. Read on to see how this mattress fared.

What's included:
  • Pros and cons
  • What is it?
  • What’s it like to lie on?
  • Is there anything I should watch out for?
  • Is there anything else I should know?
  • Should I buy it?
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Last checked by Which?

October 2021

First reviewed by Which?

October 2020

Technical specifications

General

  • SizeDouble
  • Removable mattress cover
  • Weight31.95kg
  • Length192cm
  • Width137.5cm
  • Depth27cm
  • Manufacturer guarantee1-20 years
  • Manufacturer guarantee termsMatressonline mattresses have a guarantee of between one and 20 years, depending on the model.
  • Testing informationThis model has been tested to our current test programme. For full details head to our guide on 'how we test mattresses’.
Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test mattresses>
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Best Buys and Don't Buys
We have tested 180 mattresses and found that there are 1 Don't Buys and 31 Best Buys.
Range of Mattress scores
  1. 44%
    Lowest score
  2. 66%
    Average score
  3. 81%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to mattresses we've tested
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Digital first month only £3.99, then £7.99 p/m, cancel any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

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