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Designed for sleepers who prefer a firmer mattress, the Sealy Ortho Plus Gold Mattress features both the groundbreaking PostureTech CS spring system and Sealy’s excellent PowerPack technology. This combination ensures that it offers unbeatable support. The manufacturer has also made the most of EdgeGuard lining in the springs and a flippable, double-sided design to extend the mattress's lifespan, so it provides you with first-class comfort for longer.
This mattress is rated Firm - meaning it's ideal for sleepers who prefer a little extra support and who often experience posture problems when sleeping on softer mattresses. It's also a double-sided design and can be flipped to ensure an extended lifespan. It comes with a hassle-free, five-year guarantee, so you can invest in superior sleep without having to worry that your mattress won't last.
The PostureTech CS spring system was created to provide support where you need it, targeting those contact areas where pressure is most frequently and forcibly applied. This localised support extends across the entire surface of the mattress so that there are no dead spots and sagging is never an issue. Integrated EdgeGuard technology - a high-density foam strip that lines the inside of each spring - also strengthens the springs and extends their lifespan, making for a more durable design.
Sealy's deep sleep PowerPack technology is located in the centre of the mattress and provides additional support to the lumbar region. This was developed in the company's US labs and is proven to prevent or minimise sleep-related backaches. This is ideal for sleepers who regularly suffer from morning pains and who feel that a firmer, more supportive mattress could help.
The Sealy Ortho Plus Gold Mattress is handmade by expert craftspeople in Sealy’s Cumbria workshop. Designed to last and put together with care and attention, decades of experience goes into each and every stitch in the product. The materials are even hand-tufted for a more equal spread and a perfectly cushioned feel.
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Sealy 5 Year Guarantee
In the unlikely event of a defect in material or workmanship occurring within the 5 year guarantee period, we will arrange to repair or replace the item under complaint free of charge at our discretion.
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131,700+ Trees planted so far
Rated Excellent
/5 based on 29 reviews
Verified
Had one previously and still the best i've used
Verified
Great matress, delivery promptly and with care.
Verified
Perfect, so comfy and woke up with no pain.
Verified
Very comfortable no nonsense mattress. I have been suffering with a bad back. My old mattress with a fancy topper was too soft, so was the sprung memory foam one before that one. The sealy firm mattress has helped my back, and I like the fact it can be turned over every couple of weeks. My previous mattresss could not do this, so its a bonus that I can utilise both sides. Great value and good quality.
Verified
The best orthopaedic mattress available
Verified
I don't have a sore back anymore and I am in my 90s. Thank you.
Sealy Anti-Allergy Pillow - 2 Pack
DreamEasy Luxury 10.5 Tog All Seasons Duvet
DreamEasy Luxury Quilted Mattress Protector
Sealy Airflow Memory Foam Pillow
131,700+ Trees planted so far
Award winning delivery
Planet-friendly disposals
Buy now, pay later with Klarna
18+, T&Cs apply, Credit subject to status
Sealy Anti-Allergy Pillow - 2 Pack
4.5 (2)
DreamEasy Luxury 10.5 Tog All Seasons Duvet
4.6 (20)
DreamEasy Luxury Quilted Mattress Protector
4.7 (76)
Sealy Airflow Memory Foam Pillow
4.7 (3)
| Size | Imperial | Metric |
|---|---|---|
| Small Single | 2'6" x 6'3" | 75cm x 190cm |
| Single | 3' x 6'3" | 90cm x 190cm |
| Small Double | 4' x 6'3" | 120cm x 190cm |
| Double | 4'6" x 6'3" | 135cm x 190cm |
| King Size | 5' x 6'6" | 150cm x 200cm |
| Super King | 6' x 6'6" | 180cm x 200cm |
| European Small Single | 2'8" x 6'6" | 80cm x 200cm |
| European Single | 3' x 6'6" | 90cm x 200cm |
| European Double | 4'7" x 6'6" | 140cm x 200cm |
| European King Size | 5'3" x 6'6" | 160cm x 200cm |
All mattress sizes given are approximate and stated sizes refer to the sleeping surface only. Mattresses sizes may vary slightly from their stated dimensions due to manufacturing tolerances, please allow +/- 2 inches (5cm).
You can spread the cost of purchases over £400 without any fees or interest thanks to our partnership with Klarna, a payment service provider.
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18+, T&Cs apply, Credit subject to status. Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply. Klarna’s [Pay in 3 instalments] [and] [Pay in 30 days] are unregulated credit agreements.Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Ts&Cs and late fees apply.
*Delivery charges may apply for some areas. Please see our delivery page for more information.
1. Order by 5pm for next day delivery between Monday-Friday, 12pm on Saturday and 3pm on Sunday. The 'Order by' time may be subject to change dependant on our delivery partners.
Bedsonline.biz Ltd is authorised and regulated by the Financial Conduct Authority (FCA FRN 710091) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). Finance is only available to permanent UK residents aged 18+, subject to status, terms and conditions apply.
