Excellent

66,393reviews on

The Sleep Journal

Menu

Stores Wishlist

About Us Delivery Help Centre Our Experts Advice The Sleep Journal Contact Us

View all Mattresses

Need some help?

What Mattress Firmness Is Right for Me?The Best Mattress for Each Sleeping Position

Superking Mattress6' x 6'6" / 180cm x 200cm King Size Mattress5' x 6'6" / 150cm x 200cm Double Mattress4'6" x 6'3" / 135cm x 190cm Small Double Mattress4' x 6'3" / 120cm x 190cm Single Mattress3' x 6'3" / 90cm x 190cm Small Single Mattress2'6" x 6'3" / 75cm x 190cm European Size Mattresses All Mattresses

Pocket SprungIndividual, responsive springs Standard SprungOpen coil and Miracoil springs Memory FoamMoulds to your body shape HybridSprung support with foam comfort LatexNatural support & pressure relief Gel FoamDesigned for a cooler sleep Natural FillingsBreathable and premium comfort Orthopaedic Hypoallergenic Eco-friendly Vegan Pillow Top Zip & Link Rolled-up Next Day Mattresses All Mattresses

Extra Firm Firm Medium to Firm Medium Soft to Medium All Mattresses

Need some help?

Bed & Mattress Size Guide Bed Buying Guide

Superking6' x 6'6" / 180cm x 200cm King Size5' x 6'6" / 150cm x 200cm Double4'6" x 6'3" / 135cm x 190cm Small Double4' x 6'3" / 120cm x 190cm Single3' x 6'3" / 90cm x 190cm Single Short3' x 5'9" / 90cm x 175cm Small Single2'6" x 6'3" / 75cm x 190cm All Beds

Bed Frames Divan Beds Storage Beds Ottoman Beds Sofa Beds TV Beds Kids' Beds Next Day Beds Guest Beds Headboards All Beds

Silentnight Mattress Online Elle Decoration Novo Jay-Be Birlea Vogue LPD Flintshire Furniture Friendship Mill All Beds

Wooden Bed Frames Fabric Bed Frames Metal Bed Frames All Beds

View all Bedding

Need some help?

Pillow Buying Guide Duvet Buying Guide Which Mattress Topper Is Best?

Memory Foam Latex Natural Fillings Hollowfibre Foam Gel Foam Cooling Hypoallergenic View all Pillows

4.5 tog 6.7 tog 7.5 tog 10.5 tog 13.5 tog 15 tog View all Duvets

WaterproofProtection against spills and accidents HypoallergenicProtects against allergens and dust mites QuiltedA stylish and comforting finish CoolingProtection and cooling in one View all Mattress Protectors

Memory FoamComfort tailored to your body shape Gel FoamExtra pressure relief and cooling comfort Natural FillingsNaturally breathable with plush fillings HypoallergenicExtra comfort and allergy protection View all Mattress Toppers

Weighted BlanketsSoothing weight to promote relaxation Electric BlanketsKeep warm and cosy in the colder months View all Blankets

HURRY, LIMITED STOCK AVAILABLE!

Save up to 50% off RRP

Discounted end-of-range-products

View all Brands

Need some help?

What Mattress Firmness is Right for Me?Bed Buying Guide Pillow Buying Guide

Silentnight Sleepeezee Sealy Hypnos Harrison Spinks Millbrook Beds Emma TEMPUR Simba Relyon SleepSoul Wentworth Mercer Rest Assured Luna Mattress Online Elle Decoration All Brands

Superking Mattress6' x 6'6" / 180cm x 200cm King Size Mattress5' x 6'6" / 150cm x 200cm Double Mattress4'6" x 6'3" / 135cm x 190cm Small Double Mattress4' x 6'3" / 120cm x 190cm Single Mattress3' x 6'3" / 90cm x 190cm Small Single Mattress2'6" x 6'3" / 75cm x 190cm European Size Mattresses

Pocket SprungIndividual, responsive springs Standard SprungOpen coil and Miracoil springs Memory FoamMoulds to your body shape HybridSprung support with foam comfort LatexNatural support & pressure relief Gel FoamDesigned for a cooler sleep Natural FillingsBreathable and premium comfort

Orthopaedic Hypoallergenic Eco-friendly Vegan Pillow Top Zip & Link Rolled-up Next Day Mattresses

Shop by firmness

Extra Firm Firm Medium to Firm Medium Soft to Medium

Need help?|What Mattress Firmness Is Right for Me?The Best Mattress for Each Sleeping Position

Superking6' x 6'6" / 180cm x 200cm King Size5' x 6'6" / 150cm x 200cm Double4'6" x 6'3" / 135cm x 190cm Small Double4' x 6'3" / 120cm x 190cm Single3' x 6'3" / 90cm x 190cm Single Short3' x 5'9" / 90cm x 175cm Small Single2'6" x 6'3" / 75cm x 190cm

Bed Frames Divan Beds Storage Beds Ottoman Beds Sofa Beds TV Beds Kids' Beds Next Day Beds Guest Beds Headboards

Silentnight Mattress Online Elle Decoration Novo Jay-Be Birlea Vogue LPD Flintshire Furniture Friendship Mill

Shop by material

Wooden Bed Frames Fabric Bed Frames Metal Bed Frames

Need help?|Bed & Mattress Size Guide Bed Buying Guide

Memory Foam Latex Natural Fillings Hollowfibre Foam Gel Foam Cooling Hypoallergenic

4.5 tog 6.7 tog 7.5 tog 10.5 tog 13.5 tog 15 tog

Mattress Protectors

WaterproofProtection against spills and accidents HypoallergenicProtects against allergens and dust mites QuiltedA stylish and comforting finish CoolingProtection and cooling in one

Mattress Toppers

Memory FoamComfort tailored to your body shape Gel FoamExtra pressure relief and cooling comfort Natural FillingsNaturally breathable with plush fillings HypoallergenicExtra comfort and allergy protection

Weighted BlanketsSoothing weight to promote relaxation Electric BlanketsKeep warm and cosy in the colder months

Need help?|Pillow Buying Guide Duvet Buying Guide Which Mattress Topper Is Best?

HURRY, LIMITED STOCK AVAILABLE!

Save up to 50% off RRP

Discounted end-of-range-products

Need help?|What Mattress Firmness is Right for Me?Bed Buying Guide Pillow Buying Guide

Your Basket

Your basket is empty :(

Why not browse our product ranges?

Free delivery to most locations

Free 60-night mattress trial

Old mattress removal service

HURRY, LIMITED STOCK AVAILABLE!

4 days 2 hrs 36 mins 17 secs

Sealy Classic Collection

Home
Our Brands
Sealy Mattresses and Beds
Sealy Classic Collection
Sealy Classic Single Mattress Collection

Sealy Classic Single Mattress Collection

The Sealy Classic Collection offers premium quality at exceptional value for money. With up to 55% off and Free Delivery as standard, our Classic Collection includes best-selling Sealy Mattresses, PostureTech and Zero Deflection spring systems for the best night's sleep that you deserve.

1-8 of 8 products

Sort by: Relevance

1-8 of 8 products

Filters

1

Single

Superking

(8)

6' x 6'6" | 180cm x 200cm

King Size

(8)

5' x 6'6" | 150cm x 200cm

Double

(8)

4'6" x 6'3" | 135cm x 190cm

Small Double

(3)

4' x 6'3" | 120cm x 190cm

Single

(8)

3' x 6'3" | 90cm x 190cm

Superking Zip and Link

(3)

6' x 6'6" | 180cm x 200cm

Firm

(1)

Medium to Firm

(3)

Medium

(4)

Pocket Sprung

(3)

Standard Sprung

(5)

Posturepedic

(5)

Memory Foams

(1)

Gel Foams

(4)

Latex

(2)

Soft White Fibres

(1)

Single-Sided Mattress

(8)

Hypoallergenic

(1)

Pillow Top

(2)

£200 - £300

(1)

£400 - £500

(3)

£500 - £600

(1)

£600 - £700

(1)

£700 - £800

(2)

Sealy Claremont Memory Advantage Mattress

Sealy Claremont Memory Advantage Mattress

PostureTech Core Support Springs

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £619.00

Free Delivery from Friday

Sealy Alford Advantage

Sealy Alford Advantage Mattress

PostureTech Core Support Springs

Soft White Fibres

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £429.00

Free Delivery from Friday

Sealy Winslow Geltex Enhance 2400 Pocket Pillow Top Mattress

Sealy Winslow Geltex Enhance 2400 Pocket Pillow Top Mattress

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £1,249.00

Free Delivery from Friday

Sealy Waltham Advantage Latex Mattress

Sealy Waltham Latex Advantage Mattress

PostureTech Core Support Springs

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £699.00

Free Delivery from Friday

Sealy Blakemere Geltex Enhance 1800 Pocket Pillow Top Mattress

Sealy Blakemere Geltex Enhance 1800 Pocket Pillow Top Mattress

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £1,099.00

Free Delivery from Friday

Sealy Alston Gel Pillowtop Advantage Mattress

Sealy Alston Gel Advantage Pillow Top Mattress

PostureTech Core Support Springs

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £749.00

Free Delivery from Friday

Sealy Hampton Geltex Enhance Mattress

Sealy Hampton Geltex Enhance 1000 Pocket Mattress

60-night comfort trial

Extra 20% off with code EX20

Extra 20% off with code EX20

RRP £899.00

Free Delivery from Friday

Sealy Advantage Austen Latex Mattress

Sealy Advantage Austen Latex Mattress

PostureTech Core Support Springs

60-night comfort trial

RRP £899.00

Free Delivery from Friday

1-8 of 8 products

prev

1

next

Sales Enquiries

Mon-Sat: 9:30am - 5:30pm

Sunday: 10am - 4pm

Customer Service

Mon-Sat: 9:30am - 5:30pm

Sunday: Closed

customerservice@mattressonline.co.uk

Good Retail Sustainability Awards 2022

Proudly Supporting the Sleep Charity

Proudly Supporting Zarach

Visa Payments

Mastercard Payments

PayPal Payments

Apple Pay Payments

Google Pay Payments

Klarna Payments

Useful Links

Advice
Contact Us
Delivery
60-Night Mattress Comfort Trial
Mattress Recycling
Our Independent Reviews
Our Awards
Our Experts
The Sleep Journal
About Us
Careers
Press Enquiries
Visit Our Stores
Help Centre

Popular Categories

Sale
All Mattresses
Double Mattresses
King Size Mattresses
Single Mattresses
Pocket Sprung Mattresses
Memory Foam Mattresses
Orthopaedic Mattresses
Silentnight
Next Day Mattresses

© 2025 MattressOnline.co.uk Ltd|VAT Reg: 838851683|Terms & Conditions|Privacy Policy|Sitemap

MattressOnline.co.uk Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 923012) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.