Superking Mattresses
The largest mattress size available in the UK, superking mattresses offer unparalleled luxury and space for couples who need room to stretch out. Explore our premium selection featuring memory foam, natural fillings, and latex from prestigious UK brands like Hypnos, Harrison Spinks, Sealy, and Silentnight.
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SleepSoul Bliss 800 Pocket Memory Pillow Top Mattress
Was £464.95
RRP £779.99
Sealy Mellbreak Ortho Plus Mattress
Was £609.95
RRP £899.00
Emma Hybrid Premium Mattress
Was £608.74
RRP £681.00
Silentnight Athens 1400 Mirapocket Ortho Mattress
Was £564.95
RRP £690.00
Hypnos Hemsworth Deluxe Mattress
Was £839.95
RRP £1,382.00
Millbrook Wool Luxury 4000 Pocket Mattress
Was £1,119.95
RRP £1,805.95
Sealy Waltham Latex Advantage Mattress
Was £844.95
RRP £1,219.00
SleepSoul Heaven 1000 Pocket Gel Mattress
Was £434.95
RRP £629.99
Silentnight Rio Miracoil Cushion Top Mattress
Was £489.95
RRP £595.00
Simba Inter Comfort Hybrid 1500 Pocket Mattress
Was £879.95
RRP £899.00
Harrison Spinks Quilted Fusion 4000 Pocket Mattress
Was £1,499.95
RRP £2,169.00
Emma Hybrid Thermosync Mattress
Was £768.74
RRP £1,599.00
Hypnos Marlow Ortho Deluxe Mattress
Was £1,464.95
RRP £2,662.00
Silentnight Seoul Miracoil Memory Mattress
Was £519.95
RRP £651.00
Mlily Bamboo+ Superb Memory 2500 Pocket Mattress
Was £614.95
RRP £1,195.00
Harrison Spinks Luxury Essential 750 Pocket Mattress
Was £874.95
RRP £1,139.00
Simba Earth Escape 4800 Wool Mattress
Was £1,869.95
RRP £1,999.00
Silentnight Mirapocket 1000 Geltex Pillow Top Mattress
Was £779.95
RRP £984.00
Memory Zone 3000 Pocket Mattress
Was £859.95
RRP £1,109.00
Horizon Odyssey 800 Pocket Memory Mattress
Was £469.95
RRP £910.00
How much is a superking mattress?
Superking mattress prices vary by brand and the comfort and support materials, and we stock options to suit every budget:
- Budget: from £300 - great value for everyday comfort
- Mid-range: £500-£1,400 - enhanced support and added features for restful sleep
- Premium: £1,500-£5,500 - luxury craftsmanship from leading brands
We partner with the UK’s favourite mattress manufacturers to offer quality and choice at every price point.
Where can I buy a superking mattress?
We specialise in luxury mattresses, with over 20 years of experience helping sleepers find their perfect sleep match.
- Over 800,000 mattresses delivered UK-wide
- ‘Excellent’ Trustpilot rating with 66,000+ reviews
- Free next day delivery or delivery on your chosen date
- Extensive range of top brands like Hypnos, Harrison Spinks, and Sealy - all in stock and ready to ship
- 60-Night Comfort Trial lets you sleep on your new mattress risk-free and swap if it’s not perfect
- Over 20 years of experience helping customers find unparalleled comfort
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
Mon-Sat: 9:30am - 5:30pm
Sunday: 10am - 4pm
Customer Service
Mon-Sat: 9:30am - 5:30pm
Sunday: Closed
customerservice@mattressonline.co.uk
