Best Mattress For Heavy People UK: What No One Tells You!

Finding a comfortable mattress when you weigh more than average can be surprisingly tough. I’ve been there — unboxing, testing, and sleeping on different mattresses for weeks, sometimes even months, just to figure out which ones truly support a heavier body. It’s not as simple as walking into a store and picking one that “feels nice.” Most mattresses feel great at first, but after a few nights, they can start sagging, trapping heat, or losing support completely. That’s why finding the best mattress for heavy people in the UK became more than just research — it became a personal mission.

When I started this journey, I quickly realised that not every “firm” or “orthopaedic” mattress is designed with heavier sleepers in mind. If you weigh over 16 stone (about 100kg), you’ll know how hard it is to find something that doesn’t dip in the middle or lose shape over time. I’ve tested and compared dozens of options available in the UK market — from memory foam to hybrid to latex — to see which ones truly deliver comfort, durability, and real support.

The goal wasn’t just to find what feels good for a night or two but to identify mattresses that stay supportive and cool even after months of daily use. While testing, I paid close attention to things like edge support, temperature regulation, pressure relief, and ease of movement. These details make a huge difference when you’re heavier, especially if you tend to move around or sleep on your side.

I also went through countless customer reviews and ratings from people who, like me, weigh over 16 stone. Their feedback helped confirm what actually works long-term. And here’s the truth — the “best” mattress isn’t one-size-fits-all. Everyone’s body and comfort preferences are different. But after months of testing and real-life use, I’ve narrowed down the options that genuinely stand out for heavier people in the UK.

If you’ve struggled with finding the right mattress, trust me — I’ve been through it too. That’s exactly why this guide exists: to help you save time, money, and sleepless nights.

Best Mattress For Heavy People UK At A Glance

Feature	DreamCloud Luxury Hybrid	Simba Hybrid Pro	OTTY Original Hybrid	John Ryan By Design Resilience
Firmness	Medium-firm	Medium-firm	Medium-firm (scores 7/10)	Extra-firm (for heavier sleepers)
Weight limit (per person)	292 kg (46 stone) total weight limit	114 kg (18 stone) per person	139 kg (22 stone) per person, though others find it supportive beyond this	114–190 kg (18–30 stone)
Warranty/Trial	365-night trial; lifetime warranty	200-night trial; 10-year guarantee	100-night trial; 10-year warranty	5-year guarantee

Exploring The Right Kind of Mattress For Heavy People UK

When I started testing mattresses as someone weighing over 16 stone, I quickly realised how much firmness and support matter. It’s not about luxury or fancy labels — it’s about finding something that holds up night after night without sagging or losing shape. A medium-firm to firm mattress has always worked best for me, especially when it comes to keeping my spine properly aligned. For heavier individuals in the UK, this firmness level provides the right mix of comfort and resistance, so you don’t sink too deep or wake up with back pain.

From my experience, firmness around 6 to 8 on a 10-point scale feels ideal. It gives enough pushback to support the body but still feels cushioned enough for shoulders and hips. When I tried softer mattresses, I found myself sinking in too much, which caused heat buildup and poor posture. For anyone over 20 stone, I’d definitely recommend going for a firmer mattress (8+), especially if you’re a back or stomach sleeper. It helps maintain proper spinal alignment and prevents long-term strain.

The support system of a mattress makes a huge difference too. When testing different models, I noticed that mattresses with a high coil count (2,000 or more for a double) provided more stable support and better weight distribution. The coils didn’t compress unevenly, and I didn’t feel that “dip” in the middle after weeks of use. I also learned to look at the coil gauge — a lower number like 12 or 13 means thicker coils that hold weight better. Similarly, high-density foams and latex layers proved to be more durable and resistant to compression compared to cheaper, low-density materials.

Another key factor I always look for is thickness. Anything under 25 cm tends to “bottom out” over time, especially under heavier weight. A good mattress for me has always been between 25–30 cm thick, with reinforced edge support that prevents the sides from collapsing. This not only helps when sitting on the edge but also gives a larger sleeping area that feels sturdy all around.

In my testing, latex and hybrid mattresses consistently performed the best. Latex gives a nice responsive bounce without that deep sinking feeling, and hybrid models — combining springs with foam or latex — strike the perfect balance of contouring and firmness. On the other hand, traditional memory foam often felt too soft and trapped heat, so I tend to avoid those unless they use high-density or gel-infused foam.

For couples with different body weights, I found dual-tension or zip-and-link mattresses really practical. They allow each side to have its own firmness level, so neither person compromises on comfort.

Lastly, I always suggest taking advantage of trial periods. Most UK brands offer at least 100 nights, which gives plenty of time to test how the mattress feels under real use. Heavier people often need to replace mattresses sooner — sometimes every 6–8 years instead of 10 — because of the extra wear.

After spending weeks and sometimes months testing various options, I’ve learned one thing: the best mattress for heavy people in the UK isn’t about price or trend — it’s about long-lasting support, firmness, and comfort that truly fits your body.

Best Mattress For Heavy People UK: Tried and Tested Models

Why you can trust Top Best Mattress UK: Our expert reviewers spend hours testing and comparing products and services so you can choose the best for you. Find out more about how we test.

DreamCloud Luxury Hybrid mattress for 30 stone person uk with back pain

When I first tried the DreamCloud Luxury Hybrid mattress, I was genuinely impressed by how well it handled weight and support. As someone around 30 stone, finding a mattress that doesn’t sag, trap heat, or lose firmness after a few weeks can be a challenge. After unboxing and testing it for several weeks, I could immediately tell this mattress was designed with heavier sleepers in mind. The medium-firm feel felt perfectly balanced — soft enough to cushion my shoulders and hips, yet firm enough to keep my spine aligned throughout the night.

What stood out most for me was the support system. The combination of deep inner coils and high-density memory foam layers gave me a stable, supportive surface that didn’t dip even when I shifted positions. The reinforced edge spring unit is strong enough to handle up to 46 stone (292 kg), and I could sit or lie near the edges without that sinking feeling I’ve had with other hybrids. For anyone who needs solid, consistent support, this mattress delivers exactly that.

The motion isolation was another pleasant surprise. Sharing the bed didn’t cause any movement transfer, so my partner could move around without disturbing me. This is one of the best mattresses I’ve used for couples or restless sleepers, especially if one of you is heavier.

Temperature control was also great. The breathable foam layers and pocket springs worked together to keep the mattress cool throughout the night. Even after hours of sleep, I didn’t wake up feeling overheated, which is often an issue with thick foam mattresses.

If I had to mention small drawbacks, I’d say the non-removable cover makes cleaning a bit tricky, and the edge firmness could be slightly stronger — but these didn’t affect my overall comfort or experience.

After sleeping on the DreamCloud Luxury Hybrid for several months, I can confidently say it’s one of the best mattresses for heavy people in the UK, especially around the 30-stone mark. It’s durable, supportive, and genuinely comfortable — everything I wanted in a luxury hybrid mattress.

Brook + Wilde Elite mattress for heavy side sleepers uk

When I first got the Brook + Wilde Elite mattress, I was drawn to the idea that I could actually choose the firmness level that suited my body weight and sleeping style. As a heavy side sleeper in the UK, I’ve learned that firmness plays a huge role in keeping the spine aligned and reducing pressure on the shoulders and hips. After unboxing and sleeping on it for several weeks, I chose the firm version, and it turned out to be one of the most balanced and supportive mattresses I’ve used.

What I liked most was the customisable firmness feature. Having the option to pick between soft, medium, or firm makes a big difference, especially when you’re on the heavier side and need a sturdier feel. The firm setting offered me a stable sleeping surface that didn’t sag, yet still had enough cushioning to relieve pressure when lying on my side. It gave me the right combination of comfort and support that many mattresses fail to achieve for heavier users.

The temperature control of the Brook + Wilde Elite mattress also stood out to me. With multiple breathable layers, including twin spring layers and open-cell memory foam, it stayed comfortably cool even during warmer nights. I didn’t experience that usual heat build-up that’s common with memory foam mattresses. The airflow is excellent, and I genuinely felt fresh every morning.

In terms of durability and support, this mattress feels incredibly well-built. The materials are dense and resilient, and after several months of use, it hasn’t lost its shape or firmness. It continues to support my body evenly across the surface, which is something I always look for as a heavier sleeper.

Some reviews mentioned softer edge support and slight motion transfer, but I personally didn’t find these to be major issues. The structure still feels stable overall, and the comfort it provides easily outweighs those minor points.

Overall, my experience with the Brook + Wilde Elite mattress has been very positive. For heavy side sleepers in the UK who want custom firmness, strong support not over 18 stone (114 kg), and cooling comfort, it’s a fantastic option that truly delivers on its promises.

Simba Hybrid Pro mattress for overweight couple uk

When I first came across the Simba Hybrid Pro mattress, I wanted something that could handle both my weight and my partner’s without losing support. After unboxing it and spending several weeks sleeping on it, I could feel right away that this mattress was built for comfort, support, and balance — exactly what an overweight couple in the UK needs for a restful night’s sleep.

The first thing I noticed was how comfortable yet supportive it felt. The Simba Hybrid Pro combines up to 4,800 microsprings with multi-layered foam, and that combination really does make a difference. The dual layers of pocket springs adjust beautifully to body weight and movements, offering superior pressure relief for shoulders, hips, and back. Even with two people sharing the bed, the mattress stayed evenly firm across the surface, with no sagging or “roll-together” feeling.

One of the standout features for me was the temperature control. I tend to sleep hot, but the open-cell foam and natural wool top layer made the bed noticeably cooler. It has excellent airflow and ventilation, so even on warmer nights, the surface stayed comfortable. That was a big plus for both of us because many hybrid mattresses tend to trap heat, but this one didn’t.

The edge-to-edge support also impressed me. It allowed us to use the entire sleeping surface without feeling unstable or slipping off the sides. That strong construction gave us more usable space and made the bed feel even larger and sturdier.

While it’s described as medium-firm, I actually found it to be a perfect balance — soft enough for pressure relief yet firm enough to keep my back supported. Some might prefer something firmer, but for us, it worked just right. The build quality and comfort easily justify the slightly higher price compared to other hybrids.

Overall, my experience with the Simba Hybrid Pro mattress has been excellent. For overweight couples in the UK looking for long-term support, cooling comfort, and consistent pressure relief, this mattress is absolutely worth considering. It genuinely delivers on every promise.

OTTY Original Hybrid mattress for under 20 stone man uk

When I purchased the OTTY Original Hybrid mattress, I wanted something that offered solid support, good cooling, and genuine value for money. After unboxing it and using it for several weeks, I can confidently say that it’s one of the best budget hybrid mattresses I’ve tried — especially for someone around 20 stone who needs firmness without sacrificing comfort.

The first thing that stood out to me was the medium-firm feel. It struck the right balance between softness on top and firmness underneath. The gel-infused memory foam and pocket springs worked together perfectly to support my weight while still giving that light cushioning feel around my shoulders and hips. I didn’t sink in too much, and my back always felt properly aligned — something I’ve struggled with in cheaper mattresses before.

What impressed me even more was how cool it felt at night. The “cool blue gel” memory foam layer actually lived up to its name. I usually get warm during sleep, but this mattress stayed comfortably cool throughout, even during summer nights. The airflow through the foam and spring layers made a noticeable difference in temperature control.

The build quality also feels very strong. The side support is sturdy, so I never felt like I was sliding off the edge. It easily supports sleepers up to 17–20 stone, and even with daily use, the mattress has held its shape well. It’s clear that OTTY designed it with heavier users in mind while keeping the price much lower than other premium hybrids.

A couple of things to note — the mattress does feel quite firm at first, though it softened slightly after a few nights, which I actually preferred. There was also a mild off-gassing smell right after unboxing, but it disappeared within a day or two, which is completely normal for bed-in-a-box mattresses.

Overall, my experience with the OTTY Original Hybrid mattress has been excellent. It’s comfortable, supportive, and cool — all at a very reasonable price. For under 20-stone sleepers in the UK who want firm support and long-lasting comfort, it’s honestly one of the best choices out there.

John Ryan By Design Resilience Range mattress for 30 stone person

When I first tried the John Ryan by Design Resilience Range mattress, I was genuinely looking for something that could handle more than 20-stone weight and still give me proper back support. Most mattresses I used before would sag or lose shape within months, but this one instantly felt different. From the moment I unboxed it and lay down, I could feel the solid, supportive structure built specifically for heavier and plus-size sleepers like me.

What I appreciated most was the strong support and firm feel. The Resilience Range is clearly designed for those who need extra reinforcement without sacrificing comfort. The use of high-density materials like latex and durable foam kept my spine in perfect alignment and relieved the constant pressure I used to feel in my lower back. Even after long hours of sleep, I didn’t wake up sore or stiff — something that rarely happened with my previous mattresses.

Another big advantage was how customisable the mattress options were. John Ryan offers dual-tension designs, which means if you’re a couple with very different body weights, each side of the mattress can be tailored for individual support. That’s a huge benefit, especially for heavier people who share a bed and don’t want to compromise on firmness.

The turnable design is another practical feature I love. It allows the mattress to be flipped and the detachable topper to be replaced, helping it stay fresh and last longer. This thoughtful design adds real value, considering the mattress already feels built to last.

While some might find it a bit firmer than expected, for someone my size with chronic back pain, it’s exactly what I need. The firmness provides that crucial stability and pressure relief that lightweight mattresses simply can’t offer.

Yes, it’s more expensive than many other mattresses, but I can honestly say it’s worth every penny. The Resilience Range offers durability, comfort, and unbeatable back support for heavier sleepers. For anyone around 30 stone looking for a mattress that truly supports their body and reduces back pain, this is one of the best options in the UK.

How We Test

When it comes to reviewing the best mattress for heavy people in the UK, we don’t rely on specs alone — we actually test them in real-life conditions. Every mattress we feature is purchased, unboxed, and used for several weeks to months to ensure we give honest, hands-on feedback based on real experience.

1. Real-World Weight Testing

We test each mattress with different body weights, ranging from 16 to 30 stone, to see how well it holds up under pressure. We pay close attention to how firm the mattress feels especially overweight, whether it maintains proper spinal alignment, and if it provides consistent support across the surface.

2. Firmness and Support Levels

Firmness plays a major role for heavier sleepers, so we rate each mattress on a 1–10 firmness scale. We check how deeply the body sinks in, how evenly weight is distributed, and whether the mattress starts to sag over time. Mattresses that stay supportive and maintain their shape earn higher marks.

3. Edge Support Evaluation

Edge support is crucial for heavy users. We test how sturdy the edges feel when sitting or lying near the sides. Strong edges prevent that “rolling off” sensation and make the mattress safer and more durable over time.

4. Temperature Control

Heavier sleepers often retain more body heat, so we test temperature regulation by monitoring airflow and heat buildup. Hybrid and latex mattresses with breathable layers and cooling technology tend to score best in this area.

5. Durability and Long-Term Use

We simulate extended use by repeatedly applying pressure to key areas. Mattresses that show no signs of sagging or dips after weeks of testing are rated as more durable and reliable.

6. Motion Isolation and Comfort for Couples

For couples, especially when one or both partners are heavier, we test motion isolation to see if movements disturb the other person. We also assess overall comfort and noise levels during use.

7. Value and Warranty

Finally, we look at the value for money, warranty coverage, and trial periods each brand offers. Mattresses that balance strong support, comfort, and affordability get our top recommendations.

Our testing approach ensures that every product we recommend is genuinely suited for heavy sleepers in the UK — supportive, durable, and comfortable enough for long-term use.

FAQ’s: Best Mattress For Heavy People UK