Sealy Mattresses
Shop our Sealy mattresses - expertly engineered for spinal support and deep comfort you can wake up rejuvenated. Choose from Posturepedic, memory foam, gel, and latex styles in a range of firmness levels. In stock with free next day delivery and a 60 Night Comfort Trial.
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Sealy Mellbreak Ortho Plus Mattress
Was £324.95
RRP £519.00
Sealy Alston Gel Advantage Pillow Top Mattress
Was £469.95
RRP £749.00
Sealy Posturepedic Elevate Blackwood Mattress
Was £759.95
RRP £1,299.00
Sealy Blakemere Geltex Enhance 1800 Pocket Pillow Top Mattress
Was £659.95
RRP £1,099.00
Sealy Harlow Ortho Plus Mattress
RRP £419.00
Sealy Eaglesfield Memory Ortho Plus Mattress
RRP £549.00
Sealy Winslow Geltex Enhance 2400 Pocket Pillow Top Mattress
RRP £1,249.00
Sealy Hampton Geltex Enhance 1000 Pocket Mattress
RRP £899.00
Sealy Waltham Latex Advantage Mattress
RRP £699.00
Sealy Ortho Plus Maxwell Mattress
RRP £699.00
Sealy Posturepedic Elevate Ultra Arden Memory Mattress
RRP £1,979.00
Sealy Alford Advantage Mattress
RRP £429.00
Sealy Claremont Memory Advantage Mattress
RRP £619.00
Sealy Posturepedic Elevate Holst Mattress
RRP £1,529.00
Sealy Steeple Ortho Plus Mattress
RRP £599.00
Sealy Posturepedic Elevate Ultra Webber Memory Mattress
RRP £1,749.00
Sealy Exquisite Entice Mattress
RRP £4,899.00
Sealy Advantage Austen Latex Mattress
RRP £899.00
Sealy Posturepedic Elevate Ultra Performance Gel Mattress
RRP £2,299.00
Sealy Posturepedic Elevate Ultra Prestige Gel Mattress
RRP £1,999.00
What sizes are Sealy mattresses available in?
Our Sealy mattresses are available in all standard UK sizes:
- Single (90cm x 190cm)
- Small double (120cm x 190cm)
- Double (135cm x 190cm)
- King size (150cm x 200cm)
- Superking (180cm x 200cm)
- Superking zip and link (180cm x 200cm)
Are Sealy mattresses expensive?
Sealy mattresses sit at the premium end of the market due to their patented support systems and advanced materials. They're designed to offer long-lasting comfort and full-body support.
Here’s our Sealy mattress price guide:
- Mid range: £400-£600 - enhanced, full body support with added durability and extra features
- Premium: £700-£1,200+ - luxury craftsmanship with Sealy signature, patented technology and luxury fillings
Shop our Sealy mattress sale for the latest discounts and savings.
What warranty do Sealy mattresses have?
All of our Sealy mattresses come with a 5 or 7 year guarantee, depending on the model.
For added peace of mind, we also offer a free 60 Night Comfort Trial, so if it’s not quite right, you can exchange it easily.
Where can I buy a Sealy mattress?
You can buy your new Sealy mattress with us today. When you shop with us, you get:
- Free Next Day Delivery across most of the UK
- A free 60-Night Comfort Trial on all Sealy mattresses
- Rated ‘Excellent’ service on Trustpilot by over 66,000 customers
Advice and buying guides
See what our customers say about us
Why buy from Mattress Online?
Free delivery to most locations
Free next working day delivery on most of our mattresses and beds, or upgrade to weekend delivery.
Free 60-night mattress comfort trial
Test your mattress for 60 nights and if you don't like it, simply swap it.
Old mattress disposal
We can collect and recycle your mattress - saving it from landfill.
Sales Enquiries
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Sunday: 10am - 4pm
Customer Service
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Sunday: Closed
customerservice@mattressonline.co.uk
