Skip to Content

Track Order Returns Stores Help

Logo - go to homepage

Shop
Trending
Christmas

Shop at Argos
Shop all categories
Trending
Christmas
Need Help?
Track Order
Returns
Stores
Help
Advice & Inspiration

- Back to Categories

- Shop all Christmas
- Shop all Toys
- Shop all Technology
- Shop all Home & Furniture
- Shop all Health & Beauty
- Shop all Appliances
- Shop all Sports & Leisure
- Shop all Jewellery & Watches
- Shop all Baby & Nursery
- Shop all Clothing
- Shop all Garden & DIY
- Shop all Gifts & Occasions
- Shop all Inspiration & Guides
- Shop all Brands

Search

Use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.

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

Firm Mattresses

Mattresses by size

Single
Small double
Double
Kingsize
Superking
Kids mattresses

Sort by

to see what’s available

55 products

Silentnight Hatfield Memory Foam Mattress

Silentnight Hatfield Memory Foam Mattress

Rating 4.6 out of 5, from 2461 reviews

(2461)

From

£249.00

Compare

Silentnight Healthy Growth Kids Toddler Mattress

Silentnight Healthy Growth Kids Toddler Mattress

Rating 4.7 out of 5, from 98 reviews

(98)

£105.00

Compare

Silentnight Kids Eco Memory Bunk Mattress - Single

Silentnight Kids Eco Memory Bunk Mattress - Single

Rating 4.6 out of 5, from 71 reviews

(71)

£199.00

Compare

Argos Home Elmdon Open Coil Deep Ortho Mattress

Argos Home Elmdon Open Coil Deep Ortho Mattress

Rating 4.5 out of 5, from 2210 reviews

(2210)

From

£145.00

Compare

Spend and save on selected indoor furniture. Save £25 off £200, £60 off £400, £125 off £600, £250 off £1,000. Use code SAVE.

Spend and save on selected indoor furniture

Save £25 off £200, £60 off £400, £125 off £600, £250 off £1,000. Use code SAVE

Nestledown Sprung Mattress

Nestledown Sprung Mattress

Rating 5.0 out of 5, from 1 reviews

(1)

From

£119.00

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.

Silentnight 1400 Pocket Tufted Ortho Mattress

Silentnight 1400 Pocket Tufted Ortho Mattress

Rating 4.7 out of 5, from 1058 reviews

(1058)

From

£389.00

Compare

Silentnight Essentials Open Coil Sprung Mattress

Silentnight Essentials Open Coil Sprung Mattress

From

£175.00

Compare

Silentnight Miracoil Travis Orthopaedic Mattress

Silentnight Miracoil Travis Orthopaedic Mattress

Rating 4.5 out of 5, from 638 reviews

(638)

From

£289.00

Compare

Silentnight Miracoil Pillowtop Mattress

Silentnight Miracoil Pillowtop Mattress

Rating 4.4 out of 5, from 128 reviews

(128)

From

£269.00

Compare

Essential Everyday Memory Orthopaedic Firm Mattress - Single

Essential Everyday Memory Orthopaedic Firm Mattress - Single

£109.00

Compare

UNO Ultra Sleep Memory 2000 Firm Hybrid Mattress - Single

UNO Ultra Sleep Memory 2000 Firm Hybrid Mattress - Single

£249.00

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.

SleepSoul Space 4000 Firm Orthopaedic Hybrid Mattress - Double

SleepSoul Space 4000 Firm Orthopaedic Hybrid Mattress - Double

£564.00

Compare

Silentnight Eco Comfort Breathe 1400 Pocket Mattress

Silentnight Eco Comfort Breathe 1400 Pocket Mattress

Rating 4.8 out of 5, from 72 reviews

(72)

From

£465.00

Compare

Millbrook Beds Sonata Pocket Sprung 3000 Firm Mattress

Millbrook Beds Sonata Pocket Sprung 3000 Firm Mattress

From

£569.00

Compare

Millbrook Beds Halo Pocket Sprung 2000 Firm Mattress

Millbrook Beds Halo Pocket Sprung 2000 Firm Mattress

From

£369.00

Compare

Silentnight Kids Waterproof Bunk Mattress - Single

Silentnight Kids Waterproof Bunk Mattress - Single

Rating 3.7 out of 5, from 23 reviews

(23)

£205.00

Compare

Silentnight Essentials Open Coil Mattress

Silentnight Essentials Open Coil Mattress

Rating 4.5 out of 5, from 314 reviews

(314)

From

£209.00

Compare

Silentnight Kids Eco Bunk Mattress - Single

Silentnight Kids Eco Bunk Mattress - Single

Rating 3.7 out of 5, from 32 reviews

(32)

£175.00

Compare

Sealy Advantage Deluxe Sense Firm Mattress

Sealy Advantage Deluxe Sense Firm Mattress

From

£680.00

Compare

Sealy Posturepedic Elevate MemorySense Firm Mattress

Sealy Posturepedic Elevate MemorySense Firm Mattress

From

£880.00

Compare

Silentnight Airmax 1750 Pocket Sprung Mattress

Silentnight Airmax 1750 Pocket Sprung Mattress

Rating 4.8 out of 5, from 12 reviews

(12)

From

£469.00

Compare

Millbrook Halcyon 6000 Pkt Pillowtop Firm Mattress

Millbrook Halcyon 6000 Pkt Pillowtop Firm Mattress

From

£915.00

Compare

Millbrook Serenade 5000 Pkt Pillowtop Firm Mattress

Millbrook Serenade 5000 Pkt Pillowtop Firm Mattress

Rating 5.0 out of 5, from 1 reviews

(1)

From

£839.00

Compare

Millbrook Allure 1500 Pkt Luxury Pillowtop Firm Mattress

Millbrook Allure 1500 Pkt Luxury Pillowtop Firm Mattress

From

£595.00

Compare

Millbrook Elysian 4000 Pocket Spring Firm Mattress

Millbrook Elysian 4000 Pocket Spring Firm Mattress

Rating 4.5 out of 5, from 2 reviews

(2)

From

£669.00

Compare

Silentnight Ultragel 1400 Pocket Mattress

Silentnight Ultragel 1400 Pocket Mattress

Rating 4.8 out of 5, from 26 reviews

(26)

From

£535.00

Compare

Jay-Be Flex Ultra Firm 1200 Pocket Sprung Mattress

Jay-Be Flex Ultra Firm 1200 Pocket Sprung Mattress

Rating 4.1 out of 5, from 7 reviews

(7)

From

£299.00

Compare

Silentnight Ultragel 3000 Pocket Spring Firm Mattress

Silentnight Ultragel 3000 Pocket Spring Firm Mattress

Rating 4.8 out of 5, from 11 reviews

(11)

From

£775.00

Compare

Silentnight UltraGel Cool 3000 Pocket Firm Mattress

Silentnight UltraGel Cool 3000 Pocket Firm Mattress

Rating 4.5 out of 5, from 42 reviews

(42)

From

£799.00

Compare

Jay-Be Flex Ultra-Firm Mattress

Jay-Be Flex Ultra-Firm Mattress

Rating 4.1 out of 5, from 12 reviews

(12)

From

£255.00

Compare

Millbrook Sensation 3500 Pocket Mattress

Millbrook Sensation 3500 Pocket Mattress

Rating 4.9 out of 5, from 7 reviews

(7)

From

£669.00

Compare

Millbrook Essence Ortho 1000 Pocket Mattress

Millbrook Essence Ortho 1000 Pocket Mattress

Rating 5.0 out of 5, from 6 reviews

(6)

From

£455.00

Compare

British Bed Company Spare Room Orthopaedic 1000 Firm Mattress - Single

British Bed Company Spare Room Orthopaedic 1000 Firm Mattress - Single

£269.10

Compare

Silentnight 2000 Eco Comfort Airmesh Mattress

Silentnight 2000 Eco Comfort Airmesh Mattress

Rating 4.6 out of 5, from 11 reviews

(11)

From

£625.00

Compare

Habitat Lani Natural 3000 Pocket Pillowtop Serene Mattress

Habitat Lani Natural 3000 Pocket Pillowtop Serene Mattress

Rating 4.9 out of 5, from 8 reviews

(8)

From

£695.00

Compare

Habitat Lani Natural 3000 Pocket Comfort Mattress

Habitat Lani Natural 3000 Pocket Comfort Mattress

Rating 4.7 out of 5, from 17 reviews

(17)

From

£595.00

Compare

Habitat Pia Natural 1500 Pocket Bliss Mattress

Habitat Pia Natural 1500 Pocket Bliss Mattress

Rating 4.0 out of 5, from 7 reviews

(7)

From

£365.00

Compare

Silentnight 1000 Pocket Pillow Top Eco Mattress

Silentnight 1000 Pocket Pillow Top Eco Mattress

Rating 4.5 out of 5, from 48 reviews

(48)

From

£445.00

Compare

Silentnight 1000 Pocket Tufted Eco Mattress

Silentnight 1000 Pocket Tufted Eco Mattress

Rating 4.9 out of 5, from 46 reviews

(46)

From

£425.00

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

British Bed Company Grand Duke 2000 Firm Orthopaedic Mattress - Double

British Bed Company Grand Duke 2000 Firm Orthopaedic Mattress - Double

£737.10

Compare

Sleepeezee Elite Support Ortho 1200 Firm Pocket Sprung Mattress - Double

Sleepeezee Elite Support Ortho 1200 Firm Pocket Sprung Mattress - Double

£674.00

Compare

Sealy Steeple Ortho Plus Firm Orthopaedic Mattress - Single

Sealy Steeple Ortho Plus Firm Orthopaedic Mattress - Single

£434.00

Compare

Julian Bowen Capsule Nature 1000 Pocket Sprung Mattress

Julian Bowen Capsule Nature 1000 Pocket Sprung Mattress

From

£695.00

Compare

Sleepeezee Hotel Luxe Collection Signature Classic Mattress

Sleepeezee Hotel Luxe Collection Signature Classic Mattress

From

£570.00

Compare

Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single

Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single

£499.00

Compare

Sleepeezee Sumptuous Cotton Collection Tranquil Rest Mattress

Sleepeezee Sumptuous Cotton Collection Tranquil Rest Mattress

From

£550.00

Compare

Julian Bowen Capsule Cool 1000 Memory Foam Mattress

Julian Bowen Capsule Cool 1000 Memory Foam Mattress

From

£825.00

Compare

Dormeo Levanto Memory Foam Mattress

Dormeo Levanto Memory Foam Mattress

Rating 5.0 out of 5, from 2 reviews

(2)

From

£999.00

Compare

Millbrook Beds Solace Pocket Sprung 1000 Firm Mattress

Millbrook Beds Solace Pocket Sprung 1000 Firm Mattress

From

£499.00

Compare

Millbrook Beds Aura Pocket Sprung 1000 Firm Mattress

Millbrook Beds Aura Pocket Sprung 1000 Firm Mattress

From

£359.00

Compare

Millbrook Beds Aria Pillow Top Pocket Sprung 10000 Firm Mattress

Millbrook Beds Aria Pillow Top Pocket Sprung 10000 Firm Mattress

From

£1019.00

Compare

Millbrook Beds Arcadia Pillow Top Pocket Sprung 2750 Firm Mattress

Millbrook Beds Arcadia Pillow Top Pocket Sprung 2750 Firm Mattress

From

£709.00

Compare

British Bed Company Cool Pocket 2000 Firm Hybrid Mattress - Single

British Bed Company Cool Pocket 2000 Firm Hybrid Mattress - Single

£449.10

Compare

Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single

Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single

£499.00

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

Extra Firm Mattresses Soft Mattresses Medium Firm Mattresses Medium Firm Single Mattresses Medium Soft Single Mattresses Medium Soft Mattresses Sleepeezee Mattresses Sealy Mattresses

Popular filters

Firm Single Mattresses Firm Double Mattresses

Comfortable back support during sleep with firm mattresses

Find the reliable, firm mattress that works best for your sleep in our range. Designed to provide support for your back and keep your position neutral while you rest or slumber, these firm mattresses are long lasting and comfortable. Browse a range of sizes, from singles all the way up to super kings, giving you the compact mattress to fit in a small room, or a luxurious big sleeping area for you and your partner.

Firm mattresses come in a variety of types, like memory foam that molds around you for a supportive sleep, or open coil mattresses to provide bounce and structure. Firm orthopaedic mattresses ease pressure on your back, to help deal with those little issues that persist night after night. Switch out your beaten up old soft mattresses for one that gives you the comfort and support to feel better just by sleeping on it. Order online today for fast home delivery, so you can have better nights sooner.

Need help?

Help & FAQs
Contact us
Store finder
Account
Advice & inspiration

Delivery & returns

Delivery & collection
Returns
Refunds
Track your order
Argos Plus

Product care

Argos Care
Product Support
Product recall
Argos Spares

Payment & services

Ways to pay
Our Services
Gift cards
Voucher codes
eGift Card Rewards
Argos Pay
Klarna
Nectar at Argos
Pet Insurance
Furniture Recycling
Trade-in

About Argos

About us
Argos for Business
Careers
Press enquiries
Modern Slavery Statement
Sell on Argos

Need help?

Help & FAQs
Contact us
Store finder
Account
Advice & inspiration

Delivery & returns

Delivery & collection
Returns
Refunds
Track your order
Argos Plus

Product care

Argos Care
Product Support
Product recall
Argos Spares

Payment & services

Ways to pay
Our Services
Gift cards
Voucher codes
eGift Card Rewards
Argos Pay
Klarna
Nectar at Argos
Pet Insurance
Furniture Recycling
Trade-in

About Argos

About us
Argos for Business
Careers
Press enquiries
Modern Slavery Statement
Sell on Argos

Returning an item

For returns, product support and repairs Learn more here

Payment methods

Follow us

Download our app

Accessibility Privacy hub Privacy policy Cookies policyTerms & conditions

© 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.