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The Sealy Duchess offers unparalleled comfort and support every night, handcrafted in Cumbria exclusively for Land of Beds. It's built around Sealy's exclusive PostureTech Core Support Springs, designed alongside orthopaedic experts and paired with mini pocket springs, with EdgeGuard providing edge-to-edge support so you can sleep right up to the edge without that "roll-off" sensation. The luxuriously quilted cover features BugShield® treatment, eradicating dust mites and bed bugs for a hygienic sleep experience and extra freshness - genuine Sealy quality, built to withstand the rigours of daily use. Originally developed for Sealy's hospitality range, the Duchess is built to the same exacting standards trusted by hotels, B&Bs and Airbnb hosts across the UK, making it just as at home in a guest room as it is in a private bedroom.
A firm, double-sided spring mattress built around Sealy's PostureTech Core Support Springs and mini pocket springs, best suited to sleepers who want dependable firm support and a hygienic, allergen-resistant sleep surface, made exclusively for Land of Beds.
Firm Feel - 5/6: A supportive, solid feel designed to keep your body well supported throughout the night. Ideal for back and front sleepers, or those who prefer a firmer sleeping surface.
Best for
Not ideal for
PostureTech Core Support Spring System
What it is: Sealy's exclusive spring system, designed to provide a softer feel that gradually firms up as pressure increases, paired with mini pocket springs for additional support.
How it helps you sleep: Delivers dependable, deep-down support with greater resilience that extends the life of your mattress.
EdgeGuard
What it is: A high-density foam strip that sits alongside the spring unit to prevent sagging.
How it helps you sleep: Extends the usable sleeping area right to the edge of the mattress, so you get consistent support all the way across without that "roll-off" sensation.
BugShield®
What it is: Innovative fibres woven into the mattress cover to prevent bed bugs and house dust mites from living inside the mattress.
How it helps you sleep: Creates a fresher, more hygienic sleeping environment, particularly reassuring for those with allergies or sensitivities.
Sealy Medium Softness Foam
What it is: A high-quality, durable foam layer.
How it helps you sleep: Adds extra support and comfort, working alongside the spring system for consistent, comfortable support throughout the night.
Quilted Cover
What it is: A quilted sleeping surface and mattress border.
How it helps you sleep: Provides soft cushioning and added comfort across the whole sleep surface.
Handles
What it is: Handles fitted to both sides of the mattress.
How it helps you sleep: Makes it easy to turn and reposition the mattress, helping you maintain it properly for long-lasting comfort.
| FEATURE | DETAIL |
|---|---|
| Brand | Sealy |
| Category | Mattress |
| Model | Duchess |
| Exclusive to | Land of Beds |
| Firmness | Firm (5/6) |
| Mattress Type | Quilted spring mattress with foam comfort layer |
| Spring System | PostureTech Core Support Spring System, paired with mini pocket springs |
| Comfort Layers | Sealy Medium Softness Foam |
| Mattress Finish | Quilted |
| Edge Support | Yes - EdgeGuard |
| Care Instructions | Regular Turn Mattress - turn over and rotate once a week for the first 3 months, then once a month thereafter to help fillings settle evenly |
| Handles | Yes - both sides |
| Compatible Bed Bases | Slatted (slats no more than 7cm apart) and divan bases |
| Single or Double Sided | Double sided - can be flipped |
| Country of Manufacture | Great Britain |
| Maximum Weight Per Side | 114kg (18st) |
| Guarantee/Warranty | 5 years |
| Ideal For | Back sleepers, front sleepers, heavier sleepers |
| Certifications | National Bed Federation (NBF) Approved Furniture Industry Sustainability Programme (FISP) Accredited BugShield® anti-bed bug and dust mite treatment |
| Fire resistance | CRIB 5 (Ignition Source 5) - tested to pass UK Fire Regulations 1988 |
| Sustainability | 100% Recyclable |
| Packaging Type | Flat-packed |
| SIZE | WIDTH x LENGTH x DEPTH | WEIGHT |
|---|---|---|
| Single | 90cm (3ft) x 190cm (6ft3) x 26cm (10.2'') | 17kg (37lbs) |
| Double | 135cm (4ft6) x 190cm (6ft3) x 26cm (10.2'') | 25kg (55lbs) |
| King Size | 150cm (5ft) x 200cm (6ft6) x 26cm (10.2'') | 29kg (64lbs) |
| Super King Size | 180cm (6ft) x 200cm (6ft6) x 26cm (10.2'') | 34kg (75lbs) |
| Super King Size Zip & Link | 2 x 90cm (3ft) x 200cm (6ft6) x 26cm (10.2'') | 2 x 21kg (46lbs) |
Vs softer mattresses: The Duchess's firm feel gives noticeably more support and less sink than a softer mattress, while still providing dependable comfort from the Sealy Medium Softness Foam layer. If you're a back or front sleeper, or a heavier sleeper who needs dependable support, this is the better choice. Softer mattresses suit side sleepers or those who want a more plush, cushioned surface.
Vs medium mattresses: This mattress offers noticeably firmer, more consistent support than a medium mattress, thanks to the combined PostureTech and mini pocket spring system. Medium mattresses suit a broader range of sleeping positions, while the Duchess is built specifically for those who need a firmer, more supportive feel.
Vs premium and luxury mattresses: This mattress shares the same PostureTech spring technology and BugShield® treatment found across Sealy's range. The difference is typically in the depth of the comfort layers and additional finishing details, rather than any compromise in the quality of the support system itself.
The Duchess is backed by Sealy's 5-year manufacturer's guarantee against defects in materials and workmanship. Given the quality of the spring construction and hygienic BugShield® treatment, this is a mattress built to last - the guarantee reflects that.
National Bed Federation (NBF) Approved - Independently verified to meet strict UK standards for quality, safety and responsible manufacturing.
Furniture Industry Sustainability Programme (FISP) Accredited - Independently recognised for demonstrating a genuine commitment to sustainable manufacturing practices.
The Duchess delivers dependable firm support with genuine hygiene credentials thanks to its BugShield® treatment - handcrafted in Cumbria and built to withstand daily use. If you're a back or front sleeper looking for a supportive, easy-care mattress, this is well worth a closer look. Its hospitality-grade construction also makes it a genuine option for hotels, B&Bs and Airbnb properties that need a durable, guest-ready bed.
| WHAT'S INCLUDED? | |
|---|---|
| Mattress | Yes |
| Base | No |
| Headboard | No |
PLEASE NOTE:
All measurements are approximate and are subject to a tolerance of + or - 2cm.
Image is for illustration purposes only.
Pillows, cushions, throws and bed dressings not included.
Perfecting their craft since 1881, Sealy is now one of the UK’s leading bed brands. Renowned for their commitment to quality, comfort, and support, Sealy works with a team of international orthopaedic surgeons, biomechanical engineers, and medical scientists to ensure all products create a fantastic night’s sleep.
At Land of Beds, we are proud to be able to offer our customers high-quality, luxurious products that are affordable and accessible to all consumers. Our relationship with Sealy dates back many years. Our independent customer reviews rate Sealy products 4.7 out of 5, giving us the confidence to provide Sealy with our seal of approval and our customers' valuable insight when making informed purchasing decisions.
Many prestigious organisations have endorsed Sealy products, including Which, the British Allergy Foundation, BSI, and the Carbon Neutral organisation. Sealy is considered a high-quality, reputable firm by both suppliers and customers, and its products come with an extended guarantee.
It's been used for a month. It's firm enough to support my lower back, and good enough for both back and side sleep. Whether it's durable I don't know, but it's all good so far.
read moreIs this mattress suitable for a slatted base?
Yes, this mattress is suitable for a slatted base as long as your slats are in good condition and no further apart than 7.5cm.
What is the depth of this mattress?
This mattress is 26cm deep.
Do I need to turn this mattress?
This is a regular turn mattress, which means you need to turn the mattress over and should rotate from head to toe on a regular basis to ensure even use.
How long will this mattress last?
This mattress has a 5 year guarantee.
Can you take away my old mattress?
Yes, we can remove your old mattress at the same time as delivering your new one. You can add this service at checkout.
Does this mattress have an odour?
As with all mattresses, there may be a slight smell when first opened. We liken this to a new car smell, which is non-harmful and will disappear within a few hours.
Is this mattress fully recyclable
Yes, this mattress is 100% recyclable at the end of its life helping the zero waste to landfill movement
Made to measure mattresses and divan bases are available – please call 01928 242829.
Our experienced delivery team can take away your old bed or mattress when delivering your new one. Please ensure you have dismantled your old bed prior to delivery.
Simply add this service to your order at checkout.
What products will you remove?
We will remove mattresses, divan beds and bed frames (subject to all beds being dismantled first). Add this convenient service to your order at checkout.
Do I need to dismantle my old bed before collection?
Yes, your old bed must be fully dismantled.
Can I add Removal and Recycle on after placing my order?
You can either add it to your order on the basket page and pay at checkout, or if you would like to add it after you have checked out, simply contact us on 01928 242829 before your order is due for delivery.
Do you recycle the beds and mattresses you collect?
When we remove your old bed or mattress, we ensure that it is disposed of in an environmentally responsible way. All products are sent to The Furniture Recycling Company, the UK's largest and most trusted furniture recyclers.
Our skilled drivers deliver throughout the UK and will deliver straight to your home. Free doorstep delivery is available on many products and you can also choose delivery to room of choice for an additional fee.
How much is delivery?
We offer free delivery to most of the mainland UK for orders over £100; there are applicable charges for deliveries to the highlands or far out UK, which can be found by putting your postcode into the delivery section on the product page. For orders under £100, there is a £10 charge.
How long does delivery take?
Once you select the required product, an approximate delivery time will be quoted on the product page before adding the item to your basket. During checkout, you will either be given the option to select your date, or we will state an estimated time for delivery. Once you have placed your order, we will contact you to book a date within the timeframe quoted.
Will I be contacted beforehand to arrange a delivery slot?
Once you have placed an order, our delivery team will contact you directly to arrange a suitable delivery slot, either via email, call, or text message.
Can I choose my delivery day?
If the product is available for next-day delivery, you can select a date at checkout. For all other products, you will be presented with an estimated timeframe for delivery. After placing your order, our delivery team will contact you via e-mail, text or call to arrange a suitable delivery day/time.
Read all our Delivery FAQs
We have an easy returns policy: If you change your mind, we're happy to accept returns within 14 days of you receiving your product, as long as they are unused and unassembled. However, for hygiene reasons, we can't take back products that have been slept on, unless there's a fault.
Custom-made products can only be returned if they are faulty.
Please take a look at our Terms & Conditions.
Can I return a mattress I've slept on?
Normally, mattresses can only be returned if they're unused within 14 days. But if your mattress has a trial period, please refer to the mattress trial information page for further details.
How long do I have to return an item I've purchased online?
You have 14 days to return an item if bought online, subject to the item not being used or assembled. Please note, if you wish to inspect a mattress, please ensure the protective outer plastic packaging is not removed, as this may affect your right to return due to health and hygiene reasons. Any product that is made to order/customised cannot be returned unless faulty.
Do I have to pay for the return?
To return your product, you can either arrange the return yourself, or we can happily arrange it on your behalf for a charge, which will be deducted from your refund. The collection charge covers the expenses involved in picking up the item from your location and safely bringing it back to our warehouse. For bedding items, the amount is £20, and for large/bulky items, charges start from £95 (depending on the product/postcode).
Can I return a part or fully assembled item?
Unfortunately, once an item is assembled, whether partially or fully, we can't accept returns unless the item is faulty.
Read all our Returns FAQs
Our skilled drivers deliver throughout the UK and will deliver straight to your home. Free doorstep delivery is available on many products and you can also choose delivery to room of choice for an additional fee.
How much is delivery?
We offer free delivery to most of the mainland UK for orders over £100; there are applicable charges for deliveries to the highlands or far out UK, which can be found by putting your postcode into the delivery section on the product page. For orders under £100, there is a £10 charge.
How long does delivery take?
Once you select the required product, an approximate delivery time will be quoted on the product page before adding the item to your basket. During checkout, you will either be given the option to select your date, or we will state an estimated time for delivery. Once you have placed your order, we will contact you to book a date within the timeframe quoted.
Will I be contacted beforehand to arrange a delivery slot?
Once you have placed an order, our delivery team will contact you directly to arrange a suitable delivery slot, either via email, call, or text message.
Can I choose my delivery day?
If the product is available for next-day delivery, you can select a date at checkout. For all other products, you will be presented with an estimated timeframe for delivery. After placing your order, our delivery team will contact you via e-mail, text or call to arrange a suitable delivery day/time.
Read all our Delivery FAQs
We have an easy returns policy: If you change your mind, we're happy to accept returns within 14 days of you receiving your product, as long as they are unused and unassembled. However, for hygiene reasons, we can't take back products that have been slept on, unless there's a fault.
Custom-made products can only be returned if they are faulty.
Please take a look at our Terms & Conditions.
Can I return a mattress I've slept on?
Normally, mattresses can only be returned if they're unused within 14 days. But if your mattress has a trial period, please refer to the mattress trial information page for further details.
How long do I have to return an item I've purchased online?
You have 14 days to return an item if bought online, subject to the item not being used or assembled. Please note, if you wish to inspect a mattress, please ensure the protective outer plastic packaging is not removed, as this may affect your right to return due to health and hygiene reasons. Any product that is made to order/customised cannot be returned unless faulty.
Do I have to pay for the return?
To return your product, you can either arrange the return yourself, or we can happily arrange it on your behalf for a charge, which will be deducted from your refund. The collection charge covers the expenses involved in picking up the item from your location and safely bringing it back to our warehouse. For bedding items, the amount is £20, and for large/bulky items, charges start from £95 (depending on the product/postcode).
Can I return a part or fully assembled item?
Unfortunately, once an item is assembled, whether partially or fully, we can't accept returns unless the item is faulty.
Read all our Returns FAQs
