
Mattress Online
Mattress Online is a Sheffield-based sleep specialist set up in 2003 by Steve Adams and Steve Kelly. It was one of the early pioneers of selling mattresses over the internet, and it also runs four stores in Yorkshire. The range spans mattresses, beds and bedding from well-known makers. It suits buyers who want plenty of brand choice, quick delivery and some guidance on firmness.

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Our pick at Mattress Online
Up to 55% off RRP in the mattress, bed and bedding sale
Why this one: The only one live right now. Picks follow these rules; nobody pays for them.
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- NHS discountMattress Online offers a 10% discount to NHS staff with a valid NHS email address or Blue Light Card holders.
- Military discountMattress Online offers a 10% discount via the Blue Light Card, which is available to emergency service workers and may include some armed forces personnel.
- Free delivery
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About Mattress Online
Brands and mattress types
Emma, Simba, Sealy, Silentnight, Hypnos, Relyon and SleepSoul all feature. Mattresses come in every size from Small Single up to Superking. Pocket sprung models suit people who want each spring working on its own, memory foam eases pressure points, and orthopaedic designs give firmer support. Beds and bedding sit alongside, and the site can be browsed by size, brand or department.
Help choosing
Guides explain how to pick a firmness and which mattress suits each sleeping position. Phone advice is available on 01709 780 881 from 9:30am to 5:30pm, Monday to Saturday. The order line also opens on Sundays from 10am to 4pm.
Delivery and trials
- Most mattresses come with free next-day delivery, handled by an in-house team or national couriers.
- Northern Ireland and some Scottish and Welsh postcodes may face restrictions, so check before ordering.
- Many mattresses carry a comfort trial of 60 or 100 nights; returns rules depend on the product.
- Visa, Mastercard, American Express, PayPal and Klarna are accepted.
- Blue Light Card members and NHS staff qualify for a discount.
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Mattress Online quick facts
| Free delivery | On all orders |
|---|---|
| Delivery | Free next day delivery on most mattresses. |
| Returns | Sleep trial available. Returns policy varies by product. |
| Payment methods | Visa, Mastercard, American Express, PayPal, Klarna |
| Founded | 2003 |
| Headquarters | Sheffield, South Yorkshire |
| Stores | 4 Yorkshire stores |
Mattress Online contact
- Website
- mattressonline.co.uk
- Phone
- 01709 780 881
- Hours
- Mon-Sat: 9:30am - 5:30pm (Customer Service); Sun: Closed (Customer Service), 10:00am - 4:00pm (Sales Enquiries)
Mattress Online FAQs
Where is Mattress Online based?
The company is based in Sheffield, South Yorkshire, and has four stores in Yorkshire as well as its website.
How long is the Mattress Online comfort trial?
It depends on the mattress. Many come with a 60-night or 100-night trial, and the returns policy also varies from product to product.
Is next-day delivery free?
On most mattresses, yes. Some areas, including Northern Ireland and parts of Scotland and Wales, can have delivery restrictions, so check your postcode first.
Can I pay with Klarna or American Express?
Both are accepted, along with Visa, Mastercard and PayPal, so you can spread the cost or pay in one go.












