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Small Item Delivery £4.95, free over £100
Large Item Delivery £9.95
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Mattresses

Silentnight King Size Mattresses

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64 products

Silentnight Travis Miracoil Double Sided Mattress - Kingsize

Silentnight Travis Miracoil Double Sided Mattress - Kingsize

Rating 4.6 out of 5, from 3579 reviews

(3579)

From

£289.00

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Silentnight Middleton 800 Pocket Comfort Mattress - Kingsize

Silentnight Middleton 800 Pocket Comfort Mattress - Kingsize

Rating 4.7 out of 5, from 2628 reviews

(2628)

From

£375.00

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Silentnight 1000 Pocket Luxury Mattress - Kingsize

Silentnight 1000 Pocket Luxury Mattress - Kingsize

Rating 4.7 out of 5, from 937 reviews

(937)

From

£435.00

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Silentnight Hatfield Memory Foam Mattress - Kingsize

Silentnight Hatfield Memory Foam Mattress - Kingsize

Rating 4.6 out of 5, from 2453 reviews

(2453)

From

£369.00

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Silentnight 1400 Pocket Luxury Mattress - Kingsize

Silentnight 1400 Pocket Luxury Mattress - Kingsize

Rating 4.7 out of 5, from 1053 reviews

(1053)

From

£539.00

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Silentnight Middleton 800 Pocket Memory Mattress - Kingsize

Silentnight Middleton 800 Pocket Memory Mattress - Kingsize

Rating 4.7 out of 5, from 1671 reviews

(1671)

From

£405.00

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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.

Silentnight Memory Foam Rolled Mattress - Kingsize

Silentnight Memory Foam Rolled Mattress - Kingsize

Rating 4.5 out of 5, from 4451 reviews

(4451)

From

£319.00

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Silentnight Miracoil Pillowtop Mattress – Kingsize

Silentnight Miracoil Pillowtop Mattress – Kingsize

Rating 4.4 out of 5, from 124 reviews

(124)

From

£349.00

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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.

Related categories

Silentnight Super King Mattresses Silentnight Medium Firm Mattresses Silentnight Single Mattresses Silentnight Small Double Mattresses Silentnight Double Mattresses Silentnight Mattresses King Size Mattresses Silentnight Kids Mattresses Simba King Size Mattresses Silentnight Miracoil Firm Mattresses

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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.