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Dormeo Octasmart Essentials Mattress Topper

Review Stars
4.6/5
(36 Reviews)
Select size:
Select Size
  • Foam
  • 8 Year Warranty
  • Firmness: Firm
From
£109
Dormeo Octasmart Essentials Mattress Topper
From
£109

Delivery

3 payments from £36.33
18+, T&C’s apply. Credit subject to status

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Pay in 3

Based on a spend of £109

3 interest-free payments of £36.33

The first payment is made at point of purchase, with the remaining 2 payments scheduled automatically every 30 days. No fees

18+, T&C apply, Credit subject to status.

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Delivery & Returns FAQs
Price Match Request

Features You'll Love

  • Firm - Good for people who sleep on their front or back.
  • 5cm Aerocell® foam layer for a firmer, supportive feel
  • Arrives rolled and ready to use within 6-8 hours
  • Octacell™ layer with 10,000 air channels for airflow
  • Open-cell foam base for balanced, even support
  • Signature cover with micro air pockets for fresher sleep
  • Non-slip base helps the topper stay in position
  • Also suits sofa beds, or the floor for overnight guests
  • Suitable for sleepers up to 139.7kg (22st) per side
  • Backed by an 8-year Dormeo warranty

Product Overview

The Dormeo Octasmart Essentials Mattress Topper is a 5cm Aerocell® foam mattress topper that adds a firmer, more supportive sleeping surface to an existing mattress. The Dormeo Octasmart Essentials Mattress Topper pairs an Octacell™ comfort layer, made up of thousands of individual cells with 10,000 air channels running through them, with a breathable open-cell Aerocell® foam base that spreads support evenly across the whole bed. The result is a firm topper that gives a mattress that feels too soft a more supportive surface for back and front sleepers, keeps air moving so the bed stays at a comfortable temperature through the night, and is backed by an 8-year warranty.

Who Is This Topper For?

The Dormeo Octasmart Essentials Mattress Topper is a 5cm firm Aerocell® foam topper with an Octacell™ comfort layer, a breathable signature cover and a non-slip base.

A firm foam topper best suited to back and front sleepers who want a firmer, more supportive sleeping surface and a breathable layer that helps them sleep at a comfortable temperature.

Firm: 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

  • Back sleepers - keeps your spine well supported and aligned
  • Front sleepers - keeps your body flat and supported
  • Those with a mattress that feels too soft - adds a firmer, more supportive surface without the cost of a new mattress
  • Hot sleepers - open-cell foam and 10,000 air channels help body heat escape rather than build up
  • Guest beds and sofa beds - firm enough to use on a sofa bed, or on the floor when you have guests to stay
  • Sleepers up to 139.7kg (22st) per side

Not ideal for

  • Side sleepers who need cushioning for shoulders and hips - a softer topper will suit you better
  • Those whose mattress is sagging or worn - a topper changes the feel of the surface but cannot restore lost support

Inside This Topper

Octacell™ Aerocell® Comfort Layer
What it is: The top comfort layer, made from Aerocell® foam moulded into thousands of individual cells, with 10,000 air channels running between them.
How it helps you sleep: Each cell responds to the pressure of your body on its own, easing pressure at the shoulders and hips while keeping the surface firm and supportive. The air channels let warm air move away from your body, so you reach a comfortable sleeping temperature faster.

Aerocell® Foam Base
What it is: A base layer of open-cell foam with a permanently elastic, three-dimensional structure.
How it helps you sleep: The open structure lets air pass through rather than trapping heat, while the elastic foam springs back as you change position, giving balanced, even support from head to toe throughout the night.

Signature Cover
What it is: Dormeo's signature cover, made with hundreds of micro air pockets across the surface and thousands of micro air channels built into the sides.
How it helps you sleep: The pockets and side channels keep fresh air circulating around the topper and push warm air out, helping the sleeping surface feel cooler and fresher.

Non-Slip Base
What it is: A grip-backed underside in place of straps or a fitted skirt.
How it helps you sleep: The base helps the topper hold its position on your mattress. For the most secure fit, place a fitted sheet over both the mattress and the topper.

100% Recyclable
What it is: A topper designed to leave a 50% smaller environmental footprint, made free from harmful chemicals and fully recyclable at the end of its lifespan.
How it helps you sleep: You can rest easy knowing the materials beneath you are free from harmful chemicals, and that when it is eventually time to replace your topper, it can be recycled rather than sent to landfill.

Specification

FEATURE DETAIL
Brand Dormeo
Category Mattress Topper
Model Octasmart Essentials
Fill Type Aerocell® foam with Octacell™ comfort layer
Topper Depth 5cm
Firmness Firm
Cooling Yes - open-cell Aerocell® foam with 10,000 air channels and a breathable signature cover
Compatible Mattress Types Most mattress types, including memory foam, pocket sprung, open coil, latex and hybrid. Also suitable for sofa beds or use on the floor. Not for use with an electric blanket
Maximum User Weight 139.7kg (22st) per side
Sizes Available Single / Double / King Size / Super King Size
Warranty 8 years

Dimensions

SIZE DIMENSIONS
Single 90cm x 190cm (3ft x 6ft3)
Double 135cm x 190cm (4ft6 x 6ft3)
King Size 150cm x 200cm (5ft x 6ft6)
Super King Size 180cm x 200cm (6ft x 6ft6)

How it Compares

Vs a softer topper: A softer topper lets your shoulders and hips sink further in, which suits side sleepers and anyone who wants to soften a mattress that feels too firm. A firm topper does the opposite, adding support to a mattress that has started to feel too soft, which is why it is the better choice for back and front sleepers. Compare feels and depths across our full range of mattress toppers.

Vs a memory foam topper: Memory foam softens with body heat and moulds slowly around you for a deep, hugging feel, but it can hold on to warmth. Open-cell Aerocell® foam feels firmer and more responsive, springs back quickly as you move, and lets air flow through more freely, making it a better fit for warm sleepers who prefer a supportive surface.

Vs buying a new mattress: A topper is a cost-effective way to change the feel of a mattress that is still in good condition. It cannot fix a mattress that is sagging, lumpy or no longer supportive, so if your mattress is showing those signs, a replacement is the better long-term option. Explore our full range of mattresses.

8 Year Warranty

The Octasmart Essentials is backed by Dormeo's 8-year warranty against defects in materials and workmanship. The permanently elastic Aerocell® foam is designed to keep its shape and support through years of nightly use, giving you lasting peace of mind.

Ready to Upgrade Your Sleep?

The Dormeo Octasmart Essentials Mattress Topper gives your mattress a firmer, breathable foam surface that keeps back and front sleepers well supported through the night. If you're looking to firm up a mattress that feels too soft, tend to sleep warm, or need a supportive layer for a sofa bed or guest bed, this is the one to consider.

Select your size above and add to basket. Free UK delivery included.

Not sure which topper is right for you? See our full range of mattress toppers to compare fill types, depths and firmness levels.

What's Included?

ITEM INCLUDED?
Mattress Topper Yes

About The Brand

Dormeo

Dormeo, the home of a great night’s sleep

With over 20 years of experience, Dormeo is now one of Europe's most trusted bedding brands. Their innovative Octaspring technology is genuinely ground-breaking and exclusive to Dormeo. This unique, award-winning system of individually pocketed springs arranged in a three-dimensional configuration is designed to supply support and comfort while also helping to distribute weight evenly across the surface of the mattress.

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 Dormeo dates back ten years. Our independent customer reviews rate Dormeo products 4.7 out of 5, giving us the confidence to provide Dormeo with our seal of approval and our customers' valuable insight when making informed purchasing decisions.

Dormeo is so confident in its products that it offers a lengthy guarantee. Additionally, they provide a generous sleep trial period on many of their products, allowing you to test them at home before making a final decision. (Terms and conditions apply.)

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Rated Excellent
Review stars
4.6/5
(36 Reviews)
  • Quality of product 4.7 / 5
  • Value for money 4.6 / 5
  • 5 Star 26
  • 4 Star 6
  • 3 Star 3
  • 2 Star 0
  • 1 Star 1
View all ratings
5
4
3
2
1
  • Review stars

    Love this topper mattress! Really comfortable! Amazing nights sleep, is what I’ve been wanting this for, you literally sink into the mattress. Not like old spring mattresses!!

    read more
    Usman Ullah
    30/09/2026
  • Review stars

    Arrived early very comfy

    read more
    Susan Haill
    12/09/2026
  • Review stars

    Very pleased with product Very comfortable too

    read more
    Francis Shaw
    25/08/2026
  • Review stars

    Arrived on time and I now I sleep so much better good value for money

    read more
    Mrs Marlene Jauncey
    30/06/2026
  • Review stars

    Brought so much relief and comfort to my sleeping 😴 needs.

    read more
    Mr Kevin Freeman
    29/06/2026
  • Review stars

    The topper is not supportive and slips during the night so it ends up hanging over the edge of the bed. As I have had two hip replacements I sleep on my back all night so it is not my movement that shifts the topper. It is not as good as previous toppers I have had and I have been very disappointed with this product. Unfortunately as I slept on it I could not return it which I would like to have done.

    read more
    Mrs Jean Thompson
    16/06/2026
  • Review stars

    Easy efficient web site

    read more
    tom Hallam
    10/06/2026
  • Review stars

    Comfortable and helped to reduce hip pain

    read more
    Witchazel
    10/06/2026
  • Review stars

    Soft and comfy

    read more
    Lamia Houmrani
    25/05/2026

Customer Questions & Answers

  • What is the depth of this mattress topper?

    This mattress topper is 5cm deep.

  • What is this mattress topper made from?

    This mattress topper is made from Aerocell Foam.

  • Do I put this over my fitted sheet or under it?

    This mattress topper works best when it is directly on the mattress.

  • Is this mattress topper like a fitted sheet or does it have straps?

    This mattress topper sits atop your mattress and is kept in place with the help of your fitted sheet.

  • How long will this mattress topper last?

    This mattress topper has a warranty of 8 years.

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More to Explore

Select Size

Single
3ft x 6ft 3in
£109
Save £150
RRP £259
Was £119
Double
4ft 6in x 6ft 3in
£138
Save £201
RRP £339
Was £149
King Size
5ft x 6ft 6in
£166
Save £233
RRP £399
Was £179
Super King Size
6ft x 6ft 6in
£199
Save £280
RRP £479
Was £229

Size Guide

Name
Imperial (ft)
width x length
Metric (cm)
width x length
Small Single
2ft 6in x 6ft 3in
75 x 190cm
Small Single Long
2ft 6in x 6ft 6in
75 x 200cm
Single
3ft x 6ft 3in
90 x 190cm
Long single
3ft x 6ft 6in
90 x 200cm
Small Double
4ft x 6ft 3in
120 x 190cm
Small Double Long
4ft x 6ft 6in
120 x 200cm
Double
4ft 6in x 6ft 3in
135 x 190cm
Long double
4ft 6in x 6ft 6in
135 x 200cm
European Double
4ft 8in x 6ft 6in
140 x 200cm
King Size
5ft x 6ft 6in
150 x 200cm
King Size Zip & Link
2 x 2ft 6in x 6ft 6in
2 x 75 x 200cm
European King Size
5ft 3in x 6ft 6in
160 x 200cm
Super King Size
6ft x 6ft 6in
180 x 200cm
Super King Size Zip & Link
2 x 3ft x 6ft 6in
2 x 90 x 200cm
Small Emperor
6ft 6in x 6ft 6in
200 x 200cm
Small Emperor Zip & Link
2 x 3ft 3in x 6ft 6in
2 x 100 x 200cm
Emperor
7ft x 7ft
215 x 215cm
Emperor Zip & Link
2 x 3ft 6in x 7ft
2 x 107.5 x 215cm

Custom bed sizes

Made to measure mattresses and divan bases are available – please call 01928 242829.

Price Match Request


For full Terms and Conditions please click here.

Delivery

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.

  • Free doorstep delivery across the UK on all orders over £100.
  • Skilled drivers will deliver straight to your home.
  • Option to choose delivery to a room of your choice (small fee applies).
  • Select a delivery day that suits you, check availability by entering your postcode.

Frequently Asked Questions

  • 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

Returns

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.

Frequently Asked Questions

  • 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

Delivery & Returns FAQs

Delivery

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.

  • Free doorstep delivery across the UK on all orders over £100.
  • Skilled drivers will deliver straight to your home.
  • Option to choose delivery to a room of your choice (small fee applies).
  • Select a delivery day that suits you, check availability by entering your postcode.

Frequently Asked Questions

  • 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

Returns

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.

Frequently Asked Questions

  • 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

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