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Which? Best Buy Awarded Mattresses

Which Best Buy Mattresses at MattressOnline

Luna Memory 1000 - Shop Mattress

Horizon Apollo - Shop Mattress

Horizon Voyager - Shop Mattress

Shop our Which? Best Buy mattresses here at Mattress Online! All our Which? mattresses have been rigorously tested against competitors and have received a coveted Which? Best Buy award. Many mattresses, including our very own Luna Memory 1000, have even been reviewed as a Which? Best Buy for the second time running!

The largest independent and unbiased consumer organisation in the UK, Which? has been testing products and services for over 60 years. Helping to raise standards and champion product safety and quality, the trusted brand has a first-class reputation for consumer advocacy.

Take the stress out of mattress shopping - a Which? seal of approval helps you to shop in confidence. With the brand's endorsement, you can count on value, quality and high-performance. Its product testers are trustworthy, knowledgeable and completely independent, which means that their product recommendations rank amongst the best.

We offer a fantastic range of Which? Best Buy mattresses from a range of well-known brands including Silentnight, Sealy and Dunlopillo. From memory foam to pocket sprung mattresses, and bed-in-a-box-style mattresses to luxurious pillow-top mattresses - you're sure to find the perfect mattress for you!

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Up to35% off

I'm in the SALE

Luna Memory 1000 Pocket Mattress

8.8
out of 10

Type: Memory Foam, Pocket Sprung, Reflex Foam

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

8.8
out of 10

Up to 35% off

From only: £323.35

From only: £323.35

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Up to10% off

I'm in the SALE

Horizon Apollo Memory Mattress

9.0
out of 10

Type: Memory Foam, Reflex Foam, Rolled Up

Firmness: 4 Medium to Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.0
out of 10

Up to 10% off

From only: £293.39

From only: £293.39

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Up to15% off

Silentnight Sofia 1200 Mirapocket Mattress

9.0
out of 10

Type: Pocket Sprung, Double-Sided Mattress, Hypoallergenic

Firmness: 4 Medium to Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.0
out of 10

Up to 15% off

From only: £304.95

From only: £304.95

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Up to20% off

I'm in the SALE

Horizon Voyager Memory Mattress

9.0
out of 10

Type: Memory Foam, Reflex Foam, Rolled Up

Firmness: 4 Medium to Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.0
out of 10

Up to 20% off

From only: £342.32

From only: £342.32

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Up to25% off

Studio by Silentnight Medium Mattress

9.0
out of 10

Type: Memory Foam, Gel Foam, Rolled Up

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.0
out of 10

Up to 25% off

From only: £349.00

From only: £349.00

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Up to20% off

Sleepeezee Hybrid 2000 Pocket Gel Mattress

9.5
out of 10

Type: Pocket Sprung, Gel Foam, Single-Sided Mattress

Firmness: 5 Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.5
out of 10

Up to 20% off

From only: £510.00

From only: £510.00

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Up to35% off

Silentnight Memory 3 Zone Mattress

8.4
out of 10

Type: Memory Foam, Reflex Foam, Rolled Up

Firmness: 5 Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

8.4
out of 10

Up to 35% off

From only: £299.95

From only: £299.95

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Up to30% off

Sleepeezee Beautyrest Boutique Lexington 1800 Pocket Gel Mattress

9.6
out of 10

Type: Memory Foam, Pocket Sprung, Gel Foam

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.6
out of 10

Up to 30% off

From only: £649.95

From only: £649.95

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Up to35% off

Dunlopillo Millennium Mattress

8.8
out of 10

Type: Latex, Single-Sided Mattress, Hypoallergenic

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

8.8
out of 10

Up to 35% off

From only: £1,314.95

From only: £1,314.95

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Up to35% off

Dunlopillo Royal Sovereign Mattress

9.2
out of 10

Type: Latex, Single-Sided Mattress, Hypoallergenic

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.2
out of 10

Up to 35% off

From only: £1,249.00

From only: £1,249.00

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Up to35% off

Dunlopillo Orchid Mattress

9.2
out of 10

Type: Latex, Single-Sided Mattress, Hypoallergenic

Firmness: 5 Firm

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

9.2
out of 10

Up to 35% off

From only: £1,314.95

From only: £1,314.95

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Up to45% off

Sealy Posturepedic Nostromo Latex 1400 Pocket Pillow Top Mattress

8.9
out of 10

Type: Pocket Sprung, Latex, Single-Sided Mattress

Firmness: 3 Medium

FREE Next Day Delivery or choose a date

FREE Next Day Delivery or choose a date

8.9
out of 10

Up to 45% off

From only: £899.95

From only: £899.95

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