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

Silentnight Miracoil 3 King Mattresses

Drift into deep sleep with Silentnight Miracoil 3 king size mattresses. Featuring advanced Miracoil spring technology, these king mattresses offer zoned support, reduced 'roll together' and enhanced comfort for every sleep style. The eco-conscious fibres promote breathability, helping you wake up fresh and supported every morning.

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797 products

JAY-BE Open Coil Foam Free Kids Single Mattress

JAY-BE Open Coil Foam Free Kids Single Mattress

Rating 4.2 out of 5, from 1549 reviews

(1549)

£95.00

Argos Home Devon Essentials Mattress

Argos Home Devon Essentials Mattress

Rating 4.1 out of 5, from 2146 reviews

(2146)

From

£95.00

Silentnight Travis Miracoil Microquilt Mattress

Silentnight Travis Miracoil Microquilt Mattress

Rating 4.6 out of 5, from 3579 reviews

(3579)

From

£189.00

JAY-BE Open Coil Foam Free Toddler Mattress

JAY-BE Open Coil Foam Free Toddler Mattress

Rating 4.5 out of 5, from 295 reviews

(295)

£89.00

Silentnight Middleton 800 Pocket Comfort Mattress

Silentnight Middleton 800 Pocket Comfort Mattress

Rating 4.7 out of 5, from 2627 reviews

(2627)

From

£239.00

Silentnight Memory Foam Rolled Mattress

Silentnight Memory Foam Rolled Mattress

Rating 4.5 out of 5, from 4450 reviews

(4450)

From

£219.00

*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 Healthy Growth Kids 600 Pocket Mattress - Single

Silentnight Healthy Growth Kids 600 Pocket Mattress - Single

Rating 4.9 out of 5, from 121 reviews

(121)

£225.00

Aspire Kids Dual Layer Open Coil Mattress - Single

Aspire Kids Dual Layer Open Coil Mattress - Single

Rating 4.7 out of 5, from 186 reviews

(186)

£110.00

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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Related categories

Super King Christmas Bedding Silentnight Miracoil 3 Supreme Mattresses Silentnight Eco Mattresses Luxury Mattress Topper King Size Orthopedic Mattress White Sleigh Bed Shorty Mid Sleeper Next2me Crib 7.5 Tog King Size Duvet Baby Pod

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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.