Best King Size Mattress in the UK

For those lucky enough to have space for a king sized mattress, we’ve summarised the best mattresses in the UK.

A king size mattress dimensions are approximately 150cm wide and 200cm long.

The price of a king size mattress will be more than a single or double, and our mattress comparison showcases a variety of options.

King Size

Top 10 Best King Size Mattresses

Complete with the best king size mattress offers & details.

Nectar King Size Memory Foam Mattress

£250 Off Mattress + 2 Free Pillows + Free Delivery

Type

Memory foam

Firmness

Medium

Trial Period

365 nights

Single

£549.00

The Simba Hybrid® Pro Mattress

10 year guarantee & 200 nights risk free trial

Type

Hybrid

Firmness

Medium

Trial Period

200 nights

Single

£839.30

Emma Hybrid King Size Mattress

Flash Sale 25% off with 10 year guarantee included

Type

Pocket Spring

Firmness

Medium/Firm

Trial Period

200 nights

Single

£799.00

Simba Hybdrid King Size Mattress

10 year guarantee when purchased via John Lewis Online

Type

Hybrid

Firmness

Medium

Trial Period

N/A

Single

£594.30

Silentnight King Size Mattress

Summer Sale: Save £150

Type

Memory Foam

Firmness

Medium/Firm

Trial Period

N/A

Single

£499.95

Emma Original King Size Mattress

10 year guarantee included as standard

Type

Memory Foam

Firmness

Medium

Trial Period

200 nights

Single

£579.00

Vispring Plymouth King Size Mattress

Save 20% off Vispring Plymouth mattresses via John Lewis online

Type

Pocket Spring

Firmness

Medium

Trial Period

N/A

Single

£999.00

eve Sleep Original Foam King Size Mattress

10 year guarantee when purchased via Amazon.co.uk

Type

Memory Foam

Firmness

Medium

Trial Period

100 nights

Single

£505.95

The Sleep Factory King Size Pocket Sprung

Free delivery when ordered via Amazin.co.uk

Type

Pocket Spring

Firmness

Medium/Firm

Trial Period

____

Single

£219.99

Double Size King Size

Still unsure on which the best single mattress for you?

Whilst we’ve tried to simplify with our top 10 best single mattresses comaprison, some prefer a wider choice.