Updated July 2024

Top 10 Best Mattresses In a Box UK

You will spend a third of your life on a mattress. We are here to help you make a better choice when buying a mattress in a box in the UK. We provide detailed reviews of the best rated mattresses in a box of 2024.

Advertising Disclosure: We receive referral fees from the brands listed below.
President's Day
  • 1
    Best Hybrid
    SALE | 57% OFF + Free Bedding Set
    • Materials: Hybrid memory foam and innerspring coils
    • Firmness: Medium luxury firm
    • Shipping: Free delivery and returns
    • Trial Period: 365 days
    • Warranty: Lifetime Warranty
    • Financing: As low as 0% APR financing with DivideBuy or Klarna
    CHECK PRICE Full Review
    Top-quality materials for superior comfort
    • Luxury Hybrid Mattress
    • 365-Night Sleep trial with Lifetime Warranty
    • Financing available - As low as 0% APR
    Full Review
    9.9 Outstanding
    CHECK PRICE
  • 2
    Best Overall
    Summer Slumber SALE | 25% OFF
    • Materials: Aerocoil microsprings and cooling Simbatex foam
    • Firmness: medium-firm
    • Shipping: Free delivery & returns
    • Trial Period: 200 nights
    • Warranty: 10 Years
    • Certifications: CertiPUR
    • Financing: 0% interest, up to 4 years & pay nothing for a year
    CHECK PRICE Full Review
    The world’s most five star reviewed mattress
    • Organic Luxury Hybrid Mattress
    • Free Shipping & Returns
    • Won over 50 Sleep Awards
    Full Review
    9.7 Outstanding
    CHECK PRICE
  • 3
    Best Value
    Special SALE | 21% OFF All Mattresses
    • Materials: Memory Foam with cooling layer
    • Firmness: Medium firm
    • Shipping: Free Named Day Shipping*
    • Trial Period: 365 days
    • Warranty: Lifetime warranty
    • Certifications: Meets CertiPUR standards
    • Financing: As low as 0% APR financing with DivideBuy or Klarna
    CHECK PRICE Full Review
    Excellent pressure relief, comfort and motion isolation
    • Award winning mattress
    • 365-Night Home Trial
    • Forever warranty
    • Free shipping everywhere in the UK
    Full Review
    9.7 Outstanding
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  • 4
    Spring Sale | 21% OFF
    • Materials: Hybrid
    • Firmness: 6.5 Medium
    • Shipping: Free - no contact delivery
    • Trial Period: 365 days
    • Warranty: Lifetime warranty
    • Certifications: Meets CertiPUR-US standards
    CHECK PRICE Full Review
    Hybrid offering pressure relief, support, and comfort
    • Long trial period and lifetime warranty
    • Suitable for all sleeping positions
    • Contouring and bounce
    Full Review
    9.5 Excellent
    CHECK PRICE
  • 5
    Winter Sale! Get Up to 65% Off
    • Materials: Hybrid with integrated topper
    • Firmness: Medium 6.5/10
    • Shipping: Free Shipping & Returns
    • Trial Period: 200 days
    • Warranty: 15 years warranty
    CHECK PRICE Full Review
    2-1 hybrid mattress with integrated topper
    • Advanced pocket spring system
    • 200-Night home trial
    • 15 years warranty
    Full Review
    9.3 Great
    CHECK PRICE

Our Top Choice

  • 1
    Best Hybrid
    SALE | 57% OFF + Free Bedding Set
    • Materials: Hybrid memory foam and innerspring coils
    • Firmness: Medium luxury firm
    • Shipping: Free delivery and returns
    • Trial Period: 365 days
    • Warranty: Lifetime Warranty
    • Financing: As low as 0% APR financing with DivideBuy or Klarna
    CHECK PRICE Full Review
    Top-quality materials for superior comfort
    • Luxury Hybrid Mattress
    • 365-Night Sleep trial with Lifetime Warranty
    • Financing available - As low as 0% APR
    Full Review
    9.9 Outstanding
    CHECK PRICE

Side-By-Side Comparison

Best Mattresses In a Box
Best Hybrid
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Best Overall
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Best Value
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Model Dreamcloud Mattress Simba Mattress Nectar Mattress Nectar Hybrid Mattress Hypnia Supreme Hybrid Mattress
Material Hybrid Hybrid Foam Hybrid Hybrid
Cooling 9.5/10 9/10 8/10 9/10 7/10
Firmness 6.5/10 6.5/10 6.5 / 10 6.5/10 6.5/10
Motion Isolation 7/10 8.5/10 8/10 7/10 7/10
Trial Period 365-Night Trial 200-Nights 365-Night Trial 365-Night Trial 200-Night Trial
Free Shipping and Returns Yes Yes Yes Yes Yes
Warranty Lifetime 10 Years Lifetime Lifetime 15 Years
Price Level Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar Dollar
Special Sales
SALE | 57% OFF + Free Bedding Set
Summer Slumber SALE | 25% OFF
Special SALE | 21% OFF All Mattresses
Spring Sale | 21% OFF
Winter Sale! Get Up to 65% Off
Check price Check price Check price Check price Check price

How to Choose the Best Mattress in A Box UK 2024?

With the advent of mattress-in-a-box technology, selecting a mattress from a range of online brands and having it conveniently shipped to your doorstep has become increasingly popular. However, the process of purchasing a mattress in a box is not without its challenges. While the convenience of buying a mattress in a box is apparent, this method lacks the hands-on experience of trying out the mattress before purchase.

The rise of mattress-in-a-box options has revolutionized the mattress buying experience, offering unparalleled convenience. However, when selecting a mattress in a box, potential buyers face the challenge of predicting how well the mattress will suit their individual comfort and support needs without physically testing it. Questions like the suitability of the mattress for different sleeping styles, especially for foam mattresses that might retain heat, are critical considerations. In this context, we provide essential tips for navigating the mattress-in-a-box buying process, ensuring that your choice aligns with your sleep preferences and comfort requirements.

How to Choose the Best Mattress in A Box UK 2024?

Considerations When Buying a Mattress in a Box Online

Mattress in-a-box Types

Bed-in-a-box options have revolutionized the mattress market, offering a variety of mattress types to suit different preferences.

For instance, memory foam mattresses, the most modern bed-in-a-box type, are popular for their responsiveness and viscoelastic properties. These bed-in-a-box memory foam mattresses provide an enveloping feel, offering personalized support and pressure relief.

Latex mattresses, another popular bed-in-a-box option, are made from latex derived from rubber trees. These bed-in-a-box latex mattresses offer a similar feel to memory foam but are more breathable and bouncier. They are especially suited for individuals with allergies or asthma, with 100% natural latex options available.

Hybrid mattresses in a box combine the support and bounce of a coil system with the comfort layers of memory foam or latex, offering a blend of support and contouring.

Size

The innovative Automated Compression Technology allows manufacturers to compress any type of mattress into an easy-to-ship bed-in-a-box. This technology encompasses all standard UK mattress sizes, ranging from small single to large emperor, ensuring that every preference is catered for in the bed-in-a-box market.

Mattress in-a-box  Firmness

Bed-in-a-box mattress brands cater to a wide array of sleeping needs by offering various firmness levels. Selecting the ideal firmness for your bed-in-a-box mattress largely depends on factors like weight, body shape, and preferred sleeping style. For instance, soft mattresses in a box are typically recommended for side sleepers under 10 stone. Medium-firm bed-in-a-box mattresses suit those weighing between 9 and 18 stone and accommodate all sleeping styles. Heavier stomach sleepers, particularly those over 20 stone, may find firmer bed-in-a-box mattresses more suitable as they provide a stable and comfortable spine alignment, reducing the risk of back pain.

Warranty and Return Policies

One challenge of buying a bed-in-a-box online is the uncertainty of its suitability. To address this, leading bed-in-a-box brands offer trial periods, often extending to three months or more, allowing customers to test the mattress in their own homes. It's important for buyers to review the sleep trial policies, including the minimum duration and return procedures, when considering a bed-in-a-box. Additionally, understanding the warranty details, including coverage and conditions that may void the warranty, is crucial when investing in a mattress in a box.

Our Top Picks
for July 2024
Best Hybrid
Dreamcloud Mattress
Hybrid | 6.5/10
Dreamcloud Mattress
CHECK PRICE
SALE | 57% OFF + Free Bedding Set
Best Overall
Simba Mattress
Hybrid | 6.5/10
Simba Mattress
CHECK PRICE
Summer Slumber SALE | 25% OFF
Best Value
Nectar Mattress
Memory Foam | 6.5 / 10
Nectar Mattress
CHECK PRICE
Special SALE | 21% OFF All Mattresses

Recommended Mattress

Best Hybrid: Dreamcloud Mattress

The Dreamcloud is a great choice for people looking for a relatively affordable luxury mattress. This mattress will fit the bill if you’re torn between getting a memory foam mattress and a spring bed. It will also interest anyone looking for a memory foam mattress that sleeps cool and doesn’t ‘trap’ them. Again, as this Dreamcloud mattress review suggests, this bed will appeal to most couples and sleep partners, including those who differ in body type, weight, and sleeping positions.

Visit Dreamcloud Site
Special Sale! - Dreamcloud Mattress
Dreamcloud Mattress
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Trial365-Night Trial
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WarrantyLifetime
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Shipping/Returns& Returns
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Mattress TypeHybrid
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Firmness6.5/10
SALE | 57% OFF + Free Bedding Set
  • Back sleepers
  • Side Sleepers
  • Hot Sleepers
  • Couples
  • 365-night home trial
  • lifetime warranty
Overview

Dreamcloud is a hybrid mattress that combines a quilted Euro pillow-top with gel memory foam, polyfoam, and individually pocketed springs; It is medium firm and has a 6.5 on the 1-10 firmness scale. This bed-in-a-box mattress can be used on all types of bed frames, including divan beds and adjustable frames. Compared to other mattresses in its price range, Dreamcloud has some of the best policies: full year trial period, lifetime warranty, free shipping and free returns.

Pros & Cons
  • Balances comfort and support
  • Doesn’t make you feel stuck in bed
  • It’s easy to move on and change positions
  • Sleeps cooler than all-foam mattresses
  • Noise is greatly reduced
  • It’s heavy to move the mattress around on your own
  • May not fit if you prefer lots of hugs and contouring feel

Best Overall: Simba Mattress

The Simba mattress is a nicely-built mattress that we expect to meet most people’s sleep needs. This mattress offers an impressive balance between comfort and support and will accommodate different body types and sleeping positions. Best of all, the manufacturer has addressed the heat retention issue that troubled the previous version. We also appreciate the 200-night trial period and the 10-year warranty that Simba offers. Although most people end up keeping the mattress, those who’ve returned it affirm that the process is straightforward. Have we pointed out that all returns are free?

Visit Simba Site
Special Sale! - Simba Mattress
Simba Mattress
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Trial200-Nights
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Warranty10 Years
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Shipping/Returns& Returns
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Mattress TypeHybrid
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Firmness6.5/10
Summer Slumber SALE | 25% OFF
  • Hot sleepers
  • 200-night home trial
  • People with back pain
  • back sleepers
Overview

The Simba is a 5-layer 25cm (9.75 inches) thick hybrid mattress with conical pocket springs, proprietary memory foam and poly foam. The mattress is categorised as medium-firm, managing a 6.5 on the 1-10 firmness scale. It comes in all UK bed sizes from small single to Emperor and EU sizes ranging from EU small single to EU queen. This mattress is part of the bed-in-a-box technology and it's shipped in a large box measuring 107cm x 50cm x 50cm. This can be used on any supportive mattress platforms including box spring and slatted bed frame.

 

Pros & Cons
  • Offers excellent back pain relief
  • It’s cooling
  • Has above-average edge support
  • Accommodates various sleeping positions
  • Doesn’t make you feel stuck
  • Not as bouncy as standard hybrid mattresses
  • Mattress has no handles