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Small Item Delivery £4.95, free over £100
Large Item Delivery £9.95
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Thick Mattress Toppers

Discover thick mattress toppers that transform your bed with deep cushioning and extra support. Choose from leading brands such as Silentnight, Sealy, Panda, and Habitat. Options include memory foam, hollowfibre, anti-allergy materials and plush fabrics (up to 10cm thick). Enjoy a softer, supportive, and revitalised night's sleep.

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56 products

Silentnight Airmax 8cm Mattress Topper

Silentnight Airmax 8cm Mattress Topper

Rating 4.5 out of 5, from 1454 reviews

(1454)

From

£45.00

Silentnight Restore Body Cooling Gel Mattress Pad

Silentnight Restore Body Cooling Gel Mattress Pad

Rating 4.0 out of 5, from 14 reviews

(14)

£28.00

Silentnight Anti-Allergy 2.5cm Mattress Topper

Silentnight Anti-Allergy 2.5cm Mattress Topper

Rating 4.6 out of 5, from 1044 reviews

(1044)

From

£24.00

Silentnight Airmax 5cm Mattress Topper

Silentnight Airmax 5cm Mattress Topper

Rating 4.5 out of 5, from 4770 reviews

(4770)

From

£35.00

Silentnight Super Snuggly 10cm Mattress Topper

Silentnight Super Snuggly 10cm Mattress Topper

Rating 4.7 out of 5, from 158 reviews

(158)

From

£48.00

Silentnight Deep Sleep 10cm Mattress Topper

Silentnight Deep Sleep 10cm Mattress Topper

Rating 4.6 out of 5, from 203 reviews

(203)

From

£49.00

*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Offers and credit subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

Silentnight Deep Sleep 2.5cm Mattress Topper

Silentnight Deep Sleep 2.5cm Mattress Topper

Rating 4.6 out of 5, from 2796 reviews

(2796)

From

£24.00

Argos Home 3cm Mattress Topper - Kingsize

Argos Home 3cm Mattress Topper - Kingsize

Rating 4.1 out of 5, from 70 reviews

(70)

Save £16.00

£24.00

£40.00

See more related results forthick mattress topper

Silentnight Coverless 10cm Duvet & Pillowcase Set - Single

Silentnight Coverless 10cm Duvet & Pillowcase Set - Single

Rating 4.3 out of 5, from 123 reviews

(123)

Save 25%

£15.00

£20.10

*Argos Pay Representative Example

Representative 34.9% APR (variable), 34.95% PA purchase rate (variable), £1,200 assumed credit limit.

Offers and credit subject to status. 18+. UK only. Terms apply. NewDay Ltd is the lender, Argos Limited is the broker.

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Related categories

Buy Mattress Toppers Online Single Mattress Toppers Double Mattress Toppers King Size Mattress Toppers Slumberdown Mattress Toppers Silentnight Mattress Toppers Mattress Protectors Small Double Mattress Toppers Extra Deep Fitted Sheets Waterproof Mattress Protectors

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© Argos Limited 2026. All Rights Reserved.

*Argos Pay is provided by NewDay Ltd. UK residents aged 18 and over. Offers and credit subject to status. Terms apply.

Argos Limited is a credit broker and not a lender, introducing Argos Pay under an exclusive arrangement with the lender NewDay Ltd.

Argos Limited is authorised and regulated by the Financial Conduct Authority (firm reference number: 713206), registered office: 33 Charterhouse Street, London, EC1M 6HA). NewDay Ltd is a company registered in England and Wales (company number: 7297722), registered office: 7 Handyside Street, London, N1C 4DA. NewDay Ltd is authorised and regulated by the Financial Conduct Authority (firm reference number: 690292) and is also authorised by the Financial Conduct Authority under the Payment Services Regulations 2017 (firm reference number: 555318) for the provision of payment services.

PayPal Pay in 3 is the trading name of PayPal UK LTD, 5 Fleet Place, London, United Kingdom, EC4M 7RD. Terms and conditions apply. Credit subject to status, UK residents only. Argos Limited acts as a broker and offers finance from a restricted range of finance providers. PayPal Pay in 3 is regulated by the Financial Conduct Authority. Pay in 3 eligibility is subject to status and approval. 18+ UK residents only. Pay in 3 is a credit agreement. Check if affordable and how you will repay. May make other borrowing more difficult or expensive. See product terms for more details.

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Thick Mattress Toppers | Argos