We're still open and delivering. Read how we're keeping you safe
Your Basket
0 items
Your shopping basket is empty
Need help? Call us on 01709 780881
Mon - Sat
9:30am - 5.30pm
10:00am - 4:00pm

Sealy Derwent Firm Contract Mattress

Product options:
From only  £499.95
Free Delivery within 2-3 Weeks
Add to Basket
Please make the following selections and click Buy to add the item to your basket:


Combining comforting support and durability with BugShield technology: perfect for contract use. more info

  • Free Delivery
  • Type: Contract | Standard Sprung
  • Firmness: Firm
  • Depth: 22cm
  • Warranty: 5 Years
UK Sizes
Single 3' x 6'3" / 90cm x 190cm
Delivery: Free Delivery within 2-3 Weeks
You pay £499.95 Delivered
Double 4'6" x 6'3" / 135cm x 190cm
Delivery: Free Delivery within 2-3 Weeks
You pay £649.95 Delivered
King Size 5' x 6'6" / 150cm x 200cm
Delivery: Free Delivery within 2-3 Weeks
You pay £739.95 Delivered
Superking 6' x 6'6" / 180cm x 200cm
Delivery: Free Delivery within 2-3 Weeks
You pay £859.95 Delivered
Superking Zip and Link 6' x 6'6" / 180cm x 200cm
Delivery: Free Delivery within 2-3 Weeks
You pay £1,089.95 Delivered
  • Benefits
  • Specifications
  • Description
  • About Sealy
  • Delivery
  • Benefits

    The PostureTech 660 Response System for excellent support and even weight distribution
    Sealy Edge Guard gives edge-to-edge support for greater durability and comfort
    Contains layers of lavish upholstery for unsurpassed comfort
    Microquilted mattress with a soft damask cover
    Firmer feel
    Mattress depth: 22cm
    Engineered to specifically meet the requirements of the demanding Contract environment
    Complies with BS7177:2008 Source 5 - Medium Hazard
    Bespoke specification or sizes can be made to order - please call us 01709 780881 for more information
    Quantity discounts available for larger orders, please phone us on 01709 780881 to discuss your requirements
    5 Year Warranty
    Made in the UK
  • Specifications

    Fire Resistant

    Fire Resistant

    This product conforms to BS7177: 2008 Source 5, for use in most commercial premises

    PostureTech 660 Springs

    PostureTech 660 Springs

    Great support, provides weight distribution away from the heaviest areas of your body

    Reinforced mattress edge

    Reinforced mattress edge

    Stable and study so you can sleep right to the very edge

    Damask cover

    Damask cover

    A finely woven and durable fabric

    Bug Shield

    Bug Shield

    Scientifically proven to kill dustmites and bedbugs



    Firmer and more supportive

    22cm deep

    22cm deep

    About 8.7 inches deep



    Flip this mattress over regularly to keep it in excellent condition

    Includes turning handles

    Includes turning handles

    For easier moving and turning

    5 Year Warranty

    5 Year Warranty

    For your peace of mind

    Handcrafted in the UK

    Handcrafted in the UK

    This product supports our economy and helps reduce environmental impact

    Approved by the National Bed Federation

    Approved by the National Bed Federation

    For the highest standards of quality and safety

  • Description

    The Sealy Derwent Contract Firm Mattress offers versatile and cost-effective commercial uses.

    This firm-feel contract mattress is constructed with Sealy's PostureTech 660 Response Spring System to offer better weight distribution away from the heaviest parts of the body.

    Additionally, Edge Guard offers complete mattress edge reinforcement, for greater stability and support. This enables your customers to make the most of the sleeping surface.

    The Derwent is covered in a microquilted soft damask cover that perfectly complements the firmer level of support.

    Engineered to meet the requirements of the demanding contract environment, this mattress complies with BS7177:2008 Source 5 - Medium Hazard.

  • Delivery

    Free Delivery Within 2-3 Weeks

    Available with the following delivery options:

    Free Delivery

    Delivered to the door of your building absolutely FREE.

    Once we have received your item into stock, we will contact you to arrange delivery.

    Please allow 2-3 weeks for your delivery to be arranged.

    Two Man Delivery +£20

    Conveniently delivered to the room of your choice.

    Mattress RecyclingOptional Mattress Recycling available +£25.

    Delivery is on an all-day service, Monday - Friday.

    For further information, please visit our Delivery page.

  • About Sealy

    Many people know and trust Sealy for making some of the best sleeping solutions in the UK, but what they may not know is just how big the business is worldwide.

    Sealy operate in over 50 countries and have offices and factories in North and South America, Africa, Australia, Asia and mainland Europe. Indeed, as the biggest bed manufacturer in the world, Sealy sell a bed somewhere on the globe every three seconds. Because of our scale, we can call on technical developments from around the world and bring the very latest sleeping solutions to our customers here in the UK.

    Beds and mattresses by Sealy not only ensure a really good night's sleep, but leave you feeling refreshed and ready for the day.

    Better sleep. Better business. Fill more rooms and get greater returns.

    Sealy is the leading global brand of hospitality bedding - with industry penetration rates of 52 percent in the United States and 40 percent internationally. We work with every major hotel chain across the segment spectrum, helping hoteliers increase guest satisfaction, loyalty and overall profitability.

    Product quality

    Quality of sleep is a primary factor influencing how your guests feel about their stay. Even if other amenities fall short of expectations in some way, a Sealy bed can make all the difference in your guest satisfaction ratings. That's because Sealy beds are designed to provide exceptional comfort and support, leaving your guests feeling rejuvenated.

    Consistent satisfaction

    All Sealy facilities use the same manufacturing process and quality controls, ensuring that each bed provides the same great sleep experience. And because we have plants and distribution throughout the world, we are able to fulfil orders promptly for properties around the globe. Whether you have locations in New York City, London, Tokyo or beyond, your guests will always get the same great night's sleep on a Sealy bed, anywhere in the world.

    Durable construction

    Sealy beds are engineered and constructed to endure high-traffic hospitality environments, providing a great sleep experience every night for years. The beds arrive with fewer defects and last longer than other beds, yielding a lower total cost of ownership.

    Quality at every price point

    Sealy offers beds for every price point in the hospitality segment spectrum - and delivers higher value for the investment. When comparing a Sealy bed to another brand of bed at the same price, the Sealy bed demonstrates superior quality, fewer defects and greater durability. Even our economy models provide exceptional comfort for a better night's sleep. This product variety allows you to leverage the Sealy quality story and Sealy's brand recognition, providing a better sleep experience for guests at any property.

Sealy Derwent Firm Contract Mattress reviews verified by reevooReevoo

Quality of Materials
Value for money
Overall rating
Scores 9.6 out of 10 based on 7 reviews
10 out of 10


Whitby GB
A very comfortable mattress,a good night's sleep assured.recommended.
Nothing to complain about,simple answer!
Confirmed purchase: 19 August 2019
Published on: 27 September 2019
10 out of 10


Northamptonshire GB Mother of a very
Nice and supportive. Cool. Not too heavy too move.
Reviewer left no comment
Confirmed purchase: 14 April 2018
Published on: 30 April 2018
8 out of 10


Reviewer left no comment
Not quite as hard as I thought it would would be.
Confirmed purchase: 27 March 2018
Published on: 18 April 2018
Browse Manufacturers
Need a little help?
Go to Advice Give us a call