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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

HomeHome
Home and furnitureHome and furniture
Bedroom furnitureBedroom furniture
Mattresses

King Size Mattresses

Mattresses by size

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231 products

Dormeo Sereno Rolled Mattress - King

Dormeo Sereno Rolled Mattress - King

From

£385.00

Free Delivery

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Dormeo Sereno Hybrid Mattress - King

Dormeo Sereno Hybrid Mattress - King

From

£399.00

Free Delivery

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Dormeo Mistral Memory Foam Mattress - King

Dormeo Mistral Memory Foam Mattress - King

Rating 3.0 out of 5, from 5 reviews

(5)

From

£1399.00

Free Delivery

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Dormeo Levanto Memory Foam Mattress - King

Dormeo Levanto Memory Foam Mattress - King

Rating 5.0 out of 5, from 2 reviews

(2)

From

£1299.00

Free Delivery

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UNO Stellar 1000 Medium Firm Pocket Sprung Mattress - King

UNO Stellar 1000 Medium Firm Pocket Sprung Mattress - King

£325.00

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Aspire Optimum Memory 1000 Pocket Sprung Hybrid Mattress - King Size

Aspire Optimum Memory 1000 Pocket Sprung Hybrid Mattress - King Size

From

£419.00

Free Delivery

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*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.

Aspire Dual Sided Temperature Control 1000 Pocket Sprung Mattress - King Size

Aspire Dual Sided Temperature Control 1000 Pocket Sprung Mattress - King Size

From

£589.00

Free Delivery

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Aspire Dual Sided Cotton Supreme 1000 Pocket Sprung Mattress - King Size

Aspire Dual Sided Cotton Supreme 1000 Pocket Sprung Mattress - King Size

From

£559.00

Free Delivery

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*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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© 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.