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Account Wishlist Trolley

Small Item Delivery £4.95, free over £100
Large Item Delivery £9.95
A year of fast delivery with Argos Plus

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Mattresses

Sealy Mattresses

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16 products

Sealy Mellbreak Ortho Plus Extra Firm Orthopaedic Mattress - Single

Sealy Mellbreak Ortho Plus Extra Firm Orthopaedic Mattress - Single

£374.00

Compare

Sealy Advantage Deluxe Sense Medium Firm Mattress

Sealy Advantage Deluxe Sense Medium Firm Mattress

Rating 5.0 out of 5, from 1 reviews

(1)

From

£720.00

Free Delivery

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Sealy Advantage Deluxe Sense Medium Mattress

Sealy Advantage Deluxe Sense Medium Mattress

From

£785.00

Free Delivery

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Sealy Advantage Deluxe Sense Firm Mattress

Sealy Advantage Deluxe Sense Firm Mattress

From

£680.00

Free Delivery

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Argos Pay. 0% interest for 3 years*. When you spend £500+ on 100s of furniture lines.

When you spend £500+ on 100s of furniture lines

Sealy Posturepedic Elevate MemorySense Extra Firm Mattress

Sealy Posturepedic Elevate MemorySense Extra Firm Mattress

From

£900.00

Free Delivery

Compare

*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.

Sealy Posturepedic Elevate MemorySense Mattress

Sealy Posturepedic Elevate MemorySense Mattress

From

£964.95

Free Delivery

Compare

Sealy Posturepedic Elevate MemorySense Firm Mattress

Sealy Posturepedic Elevate MemorySense Firm Mattress

From

£880.00

Free Delivery

Compare

Sealy Posturepedic Elevate MemorySense Medium Mattress

Sealy Posturepedic Elevate MemorySense Medium Mattress

From

£980.00

Free Delivery

Compare

Sealy Abbot Ortho MQ Pillowtop Mattress

Sealy Abbot Ortho MQ Pillowtop Mattress

Rating 3.8 out of 5, from 5 reviews

(5)

From

£540.00

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Sealy Thames Ortho Memory Pillowtop Mattress

Sealy Thames Ortho Memory Pillowtop Mattress

Rating 5.0 out of 5, from 3 reviews

(3)

From

£670.00

Compare

Sealy Newman Ortho Firm Support Mattress

Sealy Newman Ortho Firm Support Mattress

Rating 4.5 out of 5, from 25 reviews

(25)

From

£355.00

Compare

*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.

Sealy Kingham Ortho Memory Firm Support Mattress

Sealy Kingham Ortho Memory Firm Support Mattress

Rating 5.0 out of 5, from 2 reviews

(2)

From

£470.00

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Sealy Crosswall Ortho Deluxe Mattress

Sealy Crosswall Ortho Deluxe Mattress

Rating 4.9 out of 5, from 10 reviews

(10)

From

£465.00

Compare

Sealy Eldon Ortho Firm Comfort Mattress

Sealy Eldon Ortho Firm Comfort Mattress

Rating 3.0 out of 5, from 2 reviews

(2)

From

£430.00

Compare

Sealy Steeple Ortho Plus Firm Orthopaedic Mattress - Single

Sealy Steeple Ortho Plus Firm Orthopaedic Mattress - Single

£424.00

Compare

Sealy Alston Advantage Medium Geltex Pillow Top Mattress - Double

Sealy Alston Advantage Medium Geltex Pillow Top Mattress - Double

£664.00

Compare

*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.

Related categories

Millbrook Mattresses TEMPUR Mattresses and Memory Foam Mattresses Aspire Mattresses Silentnight Super King Mattresses Jay-Be Mattresses Mattresses Dormeo Mattresses Orthopaedic Mattresses Natural Mattresses Bamboo Mattresses

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Sell on Argos

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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.

Klarna's Pay in 3 / Pay in 30 days are regulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.

Argos Care policies are provided by Domestic & General Insurance PLC, who are an insurer not an intermediary. They have not given you a personal recommendation as to whether this policy is suitable for your needs.