Firm Mattress Toppers

Best Firm Mattress Topper UK (2022)

Written by Holly

Last updated: 19.07.2022

12 Min.

Are you sleeping on a mattress that lacks support? 😬

A firm mattress topper could be just the solution.

An extra firm topper can provide a supportive layer for a soft mattress. 🧱

But what are the best firm mattress toppers available?

Let’s find out! 👇

people sitting on mattress topper

Our favourite firm mattress toppers:

Our Favourite

Simba Mattress Topper

The Simba mattress topper is a high-quality hybrid topper with mini pocket springs, synthetic latex, and high-resilience foam.

All foams used in this topper are CertiPUR-certified, ensuring they're free from toxins, heavy metals, dyes, and harmful chemicals.

The Simba Hybrid mattress topper is one of the most unique toppers on the market.

Proudly designed by the British Simba Sleep, the Simba topper features three layers:

  • Simba-Pure synthetic latex (2.5 cm / 1 inch)
  • 2,500 Aerocoil 20 mm mini pocket springs, enclosed in 100% polyester pockets
  • High-resilience Simba-Pure base foam (2 cm / 0.7 inches)

The Simba-Pure foam is CertiPUR-certified and guaranteed to be free from TCPP, phosphates, parabens, biocides and persistent organic pollutants. 🌱

Simba mattress topper
It looks all-foam from the outside, but the Simba topper has pocket springs at its core

This is a cooling mattress topper as the springs allow for maximum airflow. 

The cover with 3D mesh fabric is also ultra-breathable, further enhancing airflow.

This helps with temperature regulation, ensuring you stay cool and fresh all night long. ❄️

Because of its hybrid composition, the Simba topper also feels much firmer than pure foam toppers. 

This is great if you just want to add a touch of firmness. 🧱

The Simba topper has an anti-slip base and elasticated straps to keep it firmly in place on your mattress.

The Simba mattress topper comes with free delivery & returns, a 14-day returns policy, and a 1-year guarantee. 

-35% SIMBA TOPPER£ 148.85

  Simba Hybrid Mattress Topper
Materials: Synthetic latex, mini pocket springs, Simba-Pure foam
Depth: 7 cm (2.7 inches)
Trial period: 14-day returns policy (you can try out the topper in these 14 days but this is subject to change)
Guarantee: 1 year
Available sizes: Single, small double, double, king, super king

Amazon LinkDream Mattress Topper

The LinkDream mattress topper is made from gel memory foam for a cool and comfortable sleep.

This eco-friendly topper is delivered rolled up for fast and efficient delivery! 

The LinkDream memory foam topper provides a combination of support and comfort. 🤗

This medium firm mattress topper is designed with a three-layer structure for optimal pressure relief.

This includes:

  • High-density base for durable support
  • Comfort layer for spinal alignment
  • Cooling gel layer for a breathable sleep

The three-zone structure helps to keep the spine straight whilst moulding around pressure-point areas

linkdream mattress topper

This memory foam topper comes with a 100-night trial and 10-year guarantee. 🤞

There is also a LinkDream mattress available for those that may need an entire mattress replacement. 

The mattress topper is delivered vacuumed-packed and can be delivered in just a few days! 🚚📦


  LinkDream  Mattress Topper
Materials: Cooling gel memory foam and high-density base foam layer
Depth: 8 cm (3.14 inches)
Trial period: 100 nights
Guarantee: 10 years
Available sizes: Single, double, king, or super king

Otty Bamboo Mattress Topper With Charcoal

The Otty Mattress Topper is a memory foam topper infused with charcoal and bamboo to encourage a fresher sleep.

This hypoallergenic topper has antibacterial properties that eliminate odour whilst providing a more comfortable sleep. 

The Bamboo Mattress Topper with Charcoal is a responsive memory foam topper that adds a soft sleeping surface to your mattress. 

Otty Bamboo Mattress Topper With Charcoal

The antibacterial, anti-allergy topper wicks away moisture and eliminates odours during the night. 💧

The outer cover is also designed with breathable air holes to encourage natural ventilation. 

The mattress topper has a unique anti-slip base to help keep it fixed on your mattress. 🙌

The Otty mattress topper comes with a 14-day trial and a year’s guarantee

-40% OTTY TOPPER£ 99.99

  Otty Bamboo Mattress Topper With Charcoal
Composition: 3 cm of bamboo memory foam layer with charcoal and a thick knit bamboo & charcoal memory foam infused cover 
Depth: 5 cm (1.9 inches)
Trial period: 14 days
Guarantee: 1 year
Available sizes: Single, double, king, super king

Inofia Gel Mattress Topper

The Inofia mattress topper is made with cooling gel and pressure-relief memory foam.

The Inofia Gel Mattress Topper comes with a 100-night money-back guarantee. 

The Inofia Gel Mattress Topper is breathable and supportive. 🌬️

The two-layer structure of gelex memory foam ad lavender reliefoam can help to enhance the comfort of your current mattress. 

Rated as "plush firm" this memory foam topper has responsive support. 

Why two layers?

  • Gelex memory foam regulates heat and moisture for an overall cooler sleep. 
  • The lavender layer helps to relieve pressure on the shoulders and hips. 

The Inofia Gel Mattress Topper comes with a fully washable purple cover. 🧼

inofia gel mattress topper

If you're not satisfied with this mattress topper, you can get a full refund within 100 nights

The Inofia Gel Mattress Topper is delivered rolled up and can be re-rolled for easy transport. 

This gel mattress topper comes with free delivery & returns. 🚚


  Inofia Gel Mattress Topper
Materials: Geltex memory foam, lavender reliefoam
Depth: 8 cm (3.14 inches)
Trial period: 100 nights
Guarantee: /
Available sizes: Single, small double, double, king, super king, EU sizes

Can a mattress topper make a bed more firm?

A mattress topper adds an extra layer of support or comfort to your current mattress. 🥰

They can be an affordable way to improve the feel of your mattress without having to replace it.

Typically, a mattress topper will provide a soft cushioning layer that hugs around the pressure points and softens the feel of a too-firm mattress. ☁️

However, some toppers are made with a firmer feel that can give a soft mattress some extra oomph.

woman laying on firm mattress topper
A firm mattress topper can make a soft mattress more supportive.

A firm mattress topper can provide a layer of solid comfort that gives your spine some additional support during sleep. 🤗

Should I replace my mattress?

However, a firm mattress topper cannot fix what’s broken. 🛠️

woman laying on sagging mattress
A firm mattress topper isn’t a solution for an old mattress.

If your current mattress is particularly old and sagging, there is only so much that a very firm mattress topper can do.

Ask yourself:

  • Is my mattress older than 7 years?
  • Does my mattress have indents and soft spots?
  • Does my mattress feel lumpy or have rolls?

If you answered yes to any of those questions, it might be time to invest in a new mattress. 😨

Our review on the best mattresses can guide you to the most suitable bed for your sleeping position.

Alternatively, check out our favourite mattresses below. 👇

How to choose a firm mattress topper

Choosing a firm mattress topper can feel a bit like searching for a needle in a haystack. 🪡

Typically, mattress toppers come with a soft, body-hugging feel, and it’s not easy trying to find a firm topper.

Likewise, some manufacturers don’t specify a firmness, employing that their topper is universal to every need. 🤔

Woman confused graphic
Brands don’t always make it easier to shop for mattress toppers.

However, that’s simply not the case.

What to consider before you buy a mattress topper

Mattress toppers come in a range of materials, firmnesses, and depths - each of which will be suited to a specific individual. 🙋‍♀️

Consider the following criteria:

  • What is my sleeping position?
  • Do I want a topper to add softness or support to my mattress?
  • Should the topper be cool or warm?
  • How much do I want to sink into the topper?
  • What is my budget?
  • Do I need a sleep trial and guarantee?

These factors will depend on your priorities and individual needs for your sleep.

We’ll guide you on all of the above throughout the rest of the article. 👇

Is a softer or firmer mattress topper better?

So, you’ve decided you want an extra firm mattress topper, but what if a soft mattress topper is actually what you need? 🤔

Generally, firmness directly correlates with your sleeping position.

Depending on how you sleep will depend on what firmness level is best.

firmness according to sleep position graphic
Different sleeping positions require different firmness levels.

If you have a partner, you should also consider their sleeping preferences and whether you need a mattress topper just for your side of the bed. 👩‍❤️‍👨

What firmness is best for side sleepers?

Sleeping on your side is the most popular sleeping position. 🙌

In fact, 41% of British people like to snooze in this foetal position.

This position puts the most pressure on the hip and shoulder since your entire weight is pressing down into these areas.

woman with correct spinal alignment
A mattress topper can relieve pressure.

Therefore the mattress or mattress topper should provide a soft to medium feel. ☁️🧸

This allows the material to hug around the joints and relieve pressure.

side sleeper on dual layer mattress topper
A soft mattress topper is ideal for side sleepers.

A soft mattress topper is a particularly good idea for side sleepers who find their mattress too firm. 🥰


What firmness is best for back and stomach sleepers?

Alternatively, back and stomach sleepers need an extra firm mattress topper for a comfy sleep. 😍

This helps keep the spine straight and aligned with the neck throughout the night.

Back sleeper on mattress topper
A medium-firm mattress is best for back sleepers.

Back sleepers should opt for a medium-firm feel, whilst stomach sleepers should look for firm support. 🧱

Most mattress toppers are soft to medium-firm and generally hug around the body for more adaptive comfort.

Therefore, it’s unlikely that any mattress topper will be suitable for stomach sleepers. 🙁

Stomach sleeper on mattress topper
A mattress topper will be too soft for most stomach sleepers.

Instead, consider swapping out your mattress for a firmer choice. 👇

Types of firm mattress toppers

Firm mattress toppers can come in a variety of materials. 🧽🌱🐑

The material of your firm mattress topper will affect how it feels.

Let’s consider the characteristics of those materials below.

🌡️ Temperature

Some materials can absorb body heat or regulate body temperature, whilst others retain heat and keep you warm.

temperature regulation scale
Materials have different reactions to body temperature.

A latex and gel-infused mattress topper will provide an overall cooler sleep as latex is breathable and gel absorbs heat for temperature regulation. ❄️

The type of mattress you sleep on will also affect the overall temperature.

You are more likely to experience overheating on a memory foam mattress, whilst pocket springs provide better circulation. 🌬️

Woman laying on pocket sprung mattress
Pocket spring mattresses encourage airflow throughout.

Likewise, sleeping with a lower tog duvet can help you have an overall cooler sleep.

🧱 Firmness

Different materials can come in soft and firm options that provide different comfort levels.

Fluffy sheep comfort levels
The firmness will depend on the topper material.

You should also consider your mattress and its firmness level, as this will affect the overall feeling of your sleep.

For example, a soft mattress topper paired with an extra firm mattress will likely create an overall medium-firm level of comfort. 🤯

As a general guideline:

  • Soft mattress toppers: memory foam, feather and down, hollowfibre
  • Medium to firm mattress toppers: Latex, gel foam, hybrid/pocket springs

However, this is dependent on other factors such as the quality of the material and its structural make-up.

⌛ Lifespan

Some materials last much longer than others.

If you want your topper or mattress to last as long as possible, then you’ll want to invest in the most durable materials. 💪

Our guide on material durability:

Material Lifespan We recommend
Latex 12 - 15 years BUY EVERGREEN TOPPER£ 139
Feather and down 8 - 10 years BUY GOOSE TOPPER£ 125
Memory foam 6 - 10 years 10% OFF PANDA TOPPER£ 89.96
Hollowfibre 3 - 5 years BUY DUAL LAYER TOPPER£ 94

As you can see, a latex topper is the most durable, but this is also one of the most expensive mattress toppers you can buy.

♻️ Sustainability

As a conscious consumer in a world of mass-produced products, you should also consider your firm mattress topper’s impact on the environment. 🌎

Consider the following:

  • How is my product manufactured?
  • Is the material recyclable?
  • Is the packaging recyclable?
  • Will it last a long time?
  • Do the materials contain chemicals?

Whilst memory foam is one of the most popular sleeping products in recent years, it’s not the most sustainable. 👎

Polyurethane foam is often manufactured with volatile organic compounds (VOC’s), a chemical gas that can be harmful to you and the environment.

Although they can be made into carpet underlay, they aren’t the easiest material to recycle and often end up in landfills.

Natural fibre products are much more eco-friendly. 👍

organic mattress material benefits
Natural mattress toppers are better for the environment.

Cotton, wool, bamboo and pure natural latex are amongst the best options for sustainability. 🐼🌱🐑

Latex is manufactured from rubber trees that can produce latex sap for up to 30 years and are fully biodegradable.

Latex being harvested from a tree
Latex is a sustainably sourced natural material.

Likewise, bamboo is a fast-growing crop that uses less water than cotton in the manufacturing process. 💧

However, as these materials are often grown overseas, you should also consider the overall carbon footprint.

You should look for a firm mattress topper that is CERTIPUR-US or OEKO-TEX certified, as the materials have been tested against harmful chemicals. ✔️

certifications graphic
Many mattress toppers have been tested against harmful chemicals.

Check out our favourite sustainable mattress toppers below! 👇

Firm mattress topper sizes

Firm mattress toppers come in standard UK sizes.

Standard mattress sizesThese include:

  • Firm mattress topper single: 90 x 190 cm (3’ x 6’3”)
  • Firm mattress topper small double: 120 x 190 cm (4' x 6'3")
  • Firm mattress topper double: 135 x 190 cm (4’6” x 6’3”)
  • Firm mattress topper king size: 150 x 200 cm (5’ x 6’6”)
  • Firm mattress topper super king size: 180 x 200 cm (6’ x 6’6”)

Some firm mattress toppers may also be available in EU sizes.

If you’re buying a mattress topper for just your side of the bed, divide the width of your mattress by two - ie. You will need a 75 x 190 cm topper for a king-size mattress.

How much are firm mattress toppers?

Firm mattress topper prices vary. 💰

Typically a mattress topper will cost anywhere from £100 or more depending on your size.

Generally, the more you spend, the better the quality of the topper.

price performance ratio graphic
You should weigh up your budget against the quality of the topper you want to buy.

However, some toppers are fantastic value for money. 🤯

The Panda mattress topper is one of the best value for money toppers currently available.


Firm mattress topper discount codes

You can also find firm mattress toppers on sale. 🏷️

Firm mattress toppers can be as much as 50% off the original price during seasonal periods and throughout the year.

-35% SIMBA TOPPER£ 148.85

Man sitting on coins graphic
Mattress toppers on sale can help you budget for a better quality product.

So you can buy a high-quality topper without paying the luxury price tag. 😅

Bookmark our discounts page for updates on all offers on mattress toppers and other sleep accessories.

How to attach a mattress topper

A mattress topper can be easily attached without any fuss. 🤗

Most mattress toppers come with elastic straps on each corner.

Simply tuck the strap over the corner of the mattress before you add any other bedding.

person holding mattress topper elastic strap

panda mattress topper strapped to mattress

You should also ensure the firm mattress topper is the right side up, particularly a layered mattress topper. 👀

Can you wash a mattress topper?

Unfortunately, most mattress toppers are not washable. ❌

This is because getting liquid onto materials such as memory foam or gel can damage the fabric.

However, many firm mattress toppers come with washable covers.

Woman washing mattress topper cover
You can remove and wash the cover on some mattress toppers.

You can take the cover off the topper and pop it into the washing machine with your regular bedding. 🧼

You should check the care instructions on your firm mattress topper before removing the cover or washing the topper.

Below are our favourite toppers that are washable or have washable covers!

How long do firm mattress toppers last?

Many mattress toppers come with a guarantee. 🤞

This means you’ll be protected for a specified amount of time against any manufacturing faults.

These faults include material dipping, seams coming apart or any other faults not caused by accidents or general wear and tear. 🛠️

Woman measuring indentation in mattress topper.
Most mattress toppers are guaranteed against manufacturing faults such as indentations.

If a fault is found, the mattress topper will usually be replaced with a new one. ✨

The Panda mattress topper comes with a 10-year warranty and a 30-night sleep trial.

What is the best mattress topper for a firm mattress?

The best mattress topper for a too-firm mattress will be soft and body-hugging. 🤗

It will mould around pressure-point areas such as the hips and shoulders and prevent aches and pains.

woman laying on a soft mattress topper
A soft mattress topper can alleviate pressure.

It will be soft enough to keep the back straight without sinking too much to create a bend in the spine.

Check out our best mattress toppers for a firm mattress below! 👇

Do firm mattress toppers work?

A firm mattress topper is an excellent solution for those who need extra support during sleep.

They’re a great choice for:

  • Side and back sleepers
  • Those with a mattress under 7 years old
  • Those with a thin or soft mattress that is in otherwise good condition

However, even a very firm mattress topper cannot compensate for an old, sagging mattress with indentations or other faults. 👀

Instead, you should consider replacing the mattress altogether.

Not sure a firm mattress topper is what you need?

Check out some of our other articles:

We also have some great mattress options for you below! 👇

Frequently asked questions:

  • How thick should a mattress topper be?

    A mattress topper can be anywhere between 2 - 4 inches deep. 

    If you’re looking for a noticeable change in the feel of your sleep, you should opt for a thicker mattress topper. 

    However, since this uses more material it will be more expensive than a thinner mattress topper. 

    Our thick mattress topper article has the best thick mattress topper recommendations. 

  • What’s the best firm mattress topper for back pain?

    The best firm mattress toppers for back pain will provide support for the spine and cushion around pressure-point areas. 

    You should also consider your sleeping position when choosing a mattress topper to alleviate aches and pains. 

    Back pain during sleep is usually caused by sleeping on an unsupportive mattress or the wrong firmness level for your sleep. 

    Try this:

    • Side sleepers will do best on a soft and thick mattress topper that will cushion around the hip and shoulder. 
    • Back sleepers should consider a medium-firm and average depth mattress topper that will support the spine and hug around the pelvis. 
    • If you’re a stomach sleeper suffering with back pain, consider investing in an extra firm mattress and a low and soft pillow to keep the spine and neck aligned. 

    A mattress topper or new mattress is not a cure for health-related medical concerns. 

    You should seek advice from a medical professional if you have a medical condition that causes back pain. 

  • Is a mattress topper the same as a mattress protector?

    A mattress protector and mattress topper are two entirely different products.

    A mattress topper is designed to enhance the feeling of your mattress.

    On the other hand, a mattress pad or mattress protector safeguards against accidents, dust mites and moisture build-up over time. 

    Some mattress protectors can come with a thick quilted cover but cannot improve the comfort of an unsupportive mattress. 

  • Can a mattress topper make a bed more firm

    A mattress topper is typically designed to make a firm mattress feel softer. 

    However, some mattress toppers can provide additional support to a soft mattress. 

    A mattress topper will not be able to fix a sagging mattress with indentations or soft spots. 

    Yet it can help to make a thin or too-soft mattress feel a bit more solid, encouraging correct spinal alignment.


After years of working in a leading UK bed store, I'm passionate about helping others find their perfect mattress. I love to write about sleep almost as much as I love to nap!

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