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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Silentnight Essentials Mirapocket 1000 Mattress
Was £509.95
RRP £626.00
Sealy Alford Advantage Mattress
Was £549.95
RRP £749.00
Silentnight Rio Miracoil Cushion Top Mattress
RRP £595.00
Classic Gold Ortho Mattress
Was £349.95
RRP £742.00
SleepSoul Space 2000 Pocket Memory Pillow Top Mattress
Was £509.95
RRP £896.99
Wentworth Mercer Natural Pocket 1000 Mattress
Was £639.95
RRP £850.00
Sealy Claremont Memory Advantage Mattress
Was £749.95
RRP £1,079.00
Silentnight Athens 1400 Mirapocket Ortho Mattress
RRP £690.00
Millbrook Wool Ortho 1000 Pillow Top Mattress
Was £814.95
RRP £1,198.80
Silentnight Seoul Miracoil Memory Mattress
RRP £651.00
Emma One Foam Mattress
Was £378.95
RRP £449.00
Silentnight Miracoil Pillow Top Mattress
RRP £531.00
Silentnight London 2000 Mirapocket Memory Mattress
Was £884.95
RRP £1,120.00
Relyon Heyford Ortho 1500 Pocket Mattress
Was £1,099.95
RRP £1,758.00
Hypnos Winslow Luxury Wool Mattress
Was £2,044.95
RRP £3,876.00
Silentnight 800 Mirapocket Memory Mattress
RRP £631.00
Harrison Spinks Quilted Fusion 8000 Pocket Mattress
Was £1,829.95
RRP £2,649.00
Sealy Eaglesfield Memory Ortho Plus Mattress
Was £669.95
RRP £929.00
Millbrook Wool Luxury 5000 Pocket Mattress
Was £1,244.95
RRP £2,299.99
Silentnight Just Calm ReVo Hybrid Mattress
RRP £1,243.50
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
