Skip to Content
Track OrderReturnsStoresHelp
Argos logo
Use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Shop
AccountWishlistTrolley
HSTS Pixel

Firm Single Mattresses

Mattresses by size

  1. Single.

    Single

  2. Small double.

    Small double

  3. Double.

    Double

  4. Kingsize.

    Kingsize

  5. Superking.

    Superking

  6. Kids mattresses.

    Kids mattresses

47 products
VALUE use offerINFO exclusive
Nestledown Sprung Open Coil Firm Mattress - Single
Rating 3.0 out of 5, from 4 reviews
From
£119.00
Choose options
VALUE use offer
Argos Home Elmdon Open Coil Deep Ortho Single Mattress
Rating 4.5 out of 5, from 2210 reviews
From
£145.00
Choose options
Silentnight Hatfield Memory Foam Mattress - Single
Rating 4.6 out of 5, from 2463 reviews
From
£249.00
Choose options
Silentnight Ashford 1400 Pocket Comfort Luxury Ortho Mattress - Single
Rating 4.7 out of 5, from 1062 reviews
From
£389.00
Choose options
new badge
Essential Everyday Memory Orthopaedic Firm Mattress - Single
Rating 5.0 out of 5, from 1 reviews
From
£125.00
Choose options
Silentnight Miracoil Travis Tufted Ortho Mattress - Single 
Rating 4.5 out of 5, from 639 reviews
From
£289.00
Choose options
Silentnight Kids Eco Memory Bunk Mattress - Single
Rating 4.6 out of 5, from 72 reviews
£199.00
UNO Ultra Sleep Memory 2000 Firm Hybrid Mattress - Single
From
£249.00
Choose options
Silentnight Eco Comfort Breathe 1400 Mattress - Single
Rating 4.8 out of 5, from 72 reviews
From
£465.00
Choose options
VALUE use offer
Silentnight Essentials Open Coil Sprung Mattress - Single
From
£175.00
Choose options
VALUE use offer
Millbrook Beds Halo Pocket Sprung 2000 Firm Mattress - Single
From
£369.00
Choose options
Silentnight Kids Waterproof Bunk Mattress - Single
Rating 3.7 out of 5, from 23 reviews
£205.00
VALUE use offer
Silentnight Essentials Double Sided Mattress - Single
Rating 4.5 out of 5, from 314 reviews
From
£209.00
Choose options
Silentnight Kids Eco Bunk Mattress - Single
Rating 3.7 out of 5, from 33 reviews
£175.00
Silentnight Airmax 1750 Pocket Sprung Mattress - Single
Rating 4.8 out of 5, from 13 reviews
From
£469.00
Choose options
VALUE use offer
Millbrook Elysian 4000 Pocket Spring Firm Mattress - Single
Rating 4.5 out of 5, from 2 reviews
From
£669.00
Choose options
Silentnight Ultragel 1400 Pocket Sprung Mattress - Sinlge
Rating 4.8 out of 5, from 27 reviews
From
£535.00
Choose options
VALUE use offer
Jay-Be Flex Ultra Firm 1200 Pocket Sprung Mattress - Single
Rating 4.1 out of 5, from 7 reviews
From
£299.00
Choose options
Silentnight UltraGel 3000 Pkt Sprung Firm Mattress - Single
Rating 4.8 out of 5, from 12 reviews
From
£775.00
Choose options
Silentnight UltraGel Cool 3000 Pocket Firm Mattress - Single
Rating 4.5 out of 5, from 42 reviews
From
£799.00
Choose options
VALUE use offer
Jay-Be Flex Ultra Firm Mattress - Single
Rating 4.2 out of 5, from 14 reviews
From
£255.00
Choose options
VALUE use offer
Millbrook Sensation 3500 Pocket Pillowtop Mattress - Single
Rating 4.9 out of 5, from 7 reviews
From
£669.00
Choose options
VALUE use offer
Millbrook Essence Ortho 1000 Pocket Mattress - Single
Rating 5.0 out of 5, from 6 reviews
From
£455.00
Choose options
Silentnight Airmesh 2000 Pillowtop Mattress - Single
Rating 4.6 out of 5, from 12 reviews
From
£625.00
Choose options
VALUE use offer
Habitat Pia Natural 1500 Pocket Bliss Mattress - Single
Rating 4.0 out of 5, from 7 reviews
From
£365.00
Choose options
Silentnight 1000 Pocket Pillow Top Eco Mattress - Single
Rating 4.5 out of 5, from 48 reviews
From
£445.00
Choose options
Silentnight 1000 Pocket Tufted Eco Mattress - Single
Rating 4.9 out of 5, from 47 reviews
From
£425.00
Choose options
Silentnight Miracoil Pillowtop Mattress - Single
Rating 4.4 out of 5, from 128 reviews
From
£269.00
Choose options
Sealy Eldon Ortho Firm Comfort Single Mattress
Rating 3.0 out of 5, from 2 reviews
From
£430.00
Choose options
new badge
Bed Choices Hamilton 2000 Hand Tufted Firm Mattress - Double
From
£604.95
Choose options
Bed Choices Montreal 2000 Pocket Sprung Mattress - Double
From
£601.95
Choose options
Sealy Steeple Ortho Plus Firm Orthopaedic Mattress - Single
From
£434.00
Choose options
new badge
Bed Choices Houston Orthopaedic Mattress - Small Double
From
£192.95
Choose options
new badge
Aspire Natural 2000 Pocket Sprung Mattress - Single
From
£349.00
Choose options
VALUE use offernew badge
Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single
£499.00
VALUE use offer
Millbrook Beds Sonata Pocket Sprung 3000 Firm Mattress - Single
From
£569.00
Choose options
VALUE use offer
Millbrook Beds Solace Pocket Sprung 1000 Firm Mattress - Single
From
£499.00
Choose options
VALUE use offer
Millbrook Beds Aura Pocket Sprung 1000 Firm Mattress - Single
From
£359.00
Choose options
VALUE use offer
Millbrook Beds Aria Pillow Top Pocket Sprung 10000 Firm Mattress - Single
From
£1019.00
Choose options
VALUE use offer
Millbrook Beds Arcadia Pillow Top Pocket Sprung 2750 Firm Mattress - Single
From
£709.00
Choose options
Sealy Advantage Deluxe Sense Firm Mattress - Single
From
£680.00
Choose options
Sealy Posturepedic Elevate MemorySense Firm Mattress - Single
From
£880.00
Choose options
VALUE use offer
Millbrook Halcyon 6000 Pkt Pillowtop Firm Mattress - Single
From
£915.00
Choose options
VALUE use offer
Millbrook Serenade 5000 Pkt Pillowtop Firm Mattress - Single
Rating 5.0 out of 5, from 1 reviews
From
£839.00
Choose options
VALUE use offer
Millbrook Allure 1500 Luxury Pillowtop Firm Mattress -Single
From
£595.00
Choose options
British Bed Company Cool Pocket 2000 Firm Hybrid Mattress - Single
From
£474.00
Choose options
VALUE use offernew badge
Silentnight Healthy Growth Comet Kids Open Coil Mattress Set - Single
£499.00

Related categories

Medium Firm Single MattressesMedium Soft Single MattressesFirm MattressesExtra Firm MattressesSingle MattressesFirm Double MattressesMedium Firm Double MattressesMedium Firm MattressesSingle Memory Foam MattressesSingle Mattress toppers

Firm single mattresses: supportive comfort for solo sleepers

If you’re after a good-quality firm mattress for your single bed, you’re in the right place. You’ll find firm single mattresses that suit a variety of budgets and sleeping styles. Explore high-quality options from trusted brands like Silentnight, Millbrook and Sealy.

You might prefer pocket sprung, open coil or orthopaedic mattresses. We’ve got options for each. Choose a mattress that keeps you and your little ones cool at night. Firm mattresses give strong support to your back and spine while you rest after a long day. Whether you’re sleeping solo or upgrading a mattress in your children’s or guest room, these firm single mattresses deliver the comfort and support that make bedtime better.