Delivery & Returns


Please note that 7 day delivery is subject to stock availability and delivery postcode. Quick assembly wardrobes are only available for Premium Delivery. Due to their size, our sofas and wardrobes are excluded from doorstep delivery.
Please see our full terms and conditions relating to our delivery options.

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Finance from £22 per month

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Up to 3 years' interest-free credit


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14.9% APR - Finance Example

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Silverdale Mattresses Details

The Sealy Silverdale king-size mattress is ideal for bed-sharers who occasionally find it hard to regulate their temperature during the night.

This is thanks to a GelTex gel-infused layer that increases breathability and protects common pressure points, such as hips and shoulders, allowing you to wake up with a well-rested body and mind, every day.

In addition to this layer, the Silverdale mattress benefits from Sealy’s PostureTech technology, comprising a network of tempered springs deep within the mattress. Paired with medium foam and a cosy quilted top layer, each sleeper can enjoy edge-to-edge support, regardless of whether they prefer to lie on their back, front or side.

As an assurance of this mattress's quality, it comes with a 5-year guarantee.

Our mattresses are fully compliant with UK Flammability Standards BS7177

All of our mattresses have been designed to fit and complement our range of solid hardwood king-size bed frames, browse the full range here.

Sealy Silverdale Gel Pillow Top King-Size Mattress

Dimensions & Assembly

Dimension CM Inches
Height 28 11.02
Width 150 59.06
Length 200 78.74
Product Code MAT-SLD-KING
Product Title

Sealy Silverdale Gel Pillow Top King-Size Mattress

Packaged dimensions H30 x W155 x D205cm (allow up to 5cm in variation)
Weight 33.0013kg
Number of boxes 1

Will It Fit?

Choosing the right piece of furniture for your home is a big decision. Not only does it need to look good and do the job it was made to do, but it also needs to fit.

To fit with your interior style, to fit with your home needs, and most importantly, to fit with the dimensions of your room. If the piece of furniture is near a doorway, which way does the door open? Is the item going to be restricting the route in and out of the room? Is there a radiator on the wall, or a windowsill jutting out that you need to factor in when measuring the item’s height?

Check what you can fit comfortably within your room by looking at the furniture measurements. You can find them in the Dimensions & Assembly section. Note them down and get busy with your tape measure.

The final important measurement to mention, is to ensure your new piece of furniture can fit through your front door when it gets delivered! Most items arrive assembled and boxed. The packaged item dimensions can also be found in the Packaging & Assembly section. Download our Will It Fit PDF, and follow our guide to a smooth furniture delivery.

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King-Size Mattress | PostureTech with GelTex Layer

£799.99

Finance from £22 p/m

7 day delivery

7 day delivery

Mattress Offer

Buy this mattress for £719.99 when purchased with a bed frame. Finance from £20 p/m*

Choose from 4 sizes:
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