A memory foam mattress topper contours to your body shape as you sleep, easing pressure at the shoulders, hips, and lower back without you having to replace your mattress. At Land of Beds, we stock memory foam toppers from Dormeo, Emma, and our own Land of Beds range - including Dormeo's unique Octaspring cell technology and GHI-approved Emma options - in medium and soft medium tensions across all standard UK sizes. Warranties range from 2 to 10 years depending on the model. Free delivery on orders over £100 and expert advice seven days a week.
Browse the full memory foam topper range below, or speak to our team for a personal recommendation. We are available seven days a week.
Memory foam responds to body heat and weight, softening where it makes contact and contouring to the shape of your body rather than providing uniform resistance. This means pressure concentrations at the hips and shoulders - the most common source of discomfort for side sleepers - are distributed across a wider surface area rather than remaining as tight points of pressure. The result is less tossing and turning and a noticeably improved quality of sleep. Memory foam toppers also absorb movement, so if you share a bed and your partner is restless, a topper reduces how much of that movement transfers across to your side. Not all memory foam toppers are the same, however. Standard flat-cut foam, spring-cell technology like Dormeo's Octaspring, and gel-infused or open-cell variants all behave differently in terms of temperature management. Understanding what separates them matters as much as choosing the right thickness. This guide covers both. For a broader overview of all topper types, see our mattress toppers guide.
Three things determine which memory foam topper is right for you.
| Factor | Why It Matters | What to Check |
|---|---|---|
| Foam type | Not all memory foam is the same. Standard memory foam contours well but can retain heat. Open-cell and spring-cell technology improves airflow significantly. Gel-infused foam draws heat away from the surface. The type of foam is the biggest variable in how warm or cool the topper sleeps. | If you sleep warm or already find your mattress retains heat, prioritise open-cell, spring-cell, or gel-infused memory foam over standard. If temperature is not a concern, standard memory foam at the right thickness will give the best pressure relief. |
| Thickness | Thickness determines how much the topper changes the feel of the mattress beneath. A thinner topper adds subtle comfort improvement. A thicker topper makes a more pronounced difference to surface feel and pressure relief. | For a mattress that is slightly too firm, a thinner topper is usually enough. For a mattress that is noticeably uncomfortable or has lost significant surface comfort, a deeper topper makes a more meaningful change. Check the cm depth listed on each product. |
| Size | The topper must match your mattress exactly. A topper that does not cover the full mattress surface will shift during the night and create an uneven sleeping surface. | Order the same size as your mattress. Always check the individual listing for exact dimensions, as some toppers may vary slightly from standard sizes. |
Not sure which is right? Speak to our team on 01928 242829.
Memory foam mattress toppers are available in all standard UK sizes. Match the topper size exactly to your mattress.
| Size | Mattress Dimensions | Best For |
|---|---|---|
| Single (3ft) | 90 x 190cm | Solo adults, teenagers, guest rooms |
| Small Double (4ft) | 120 x 190cm | Solo sleepers wanting more space |
| Double (4ft 6) | 135 x 190cm | Couples, guest rooms, smaller bedrooms |
| King Size (5ft) | 150 x 200cm | Couples wanting more width and length |
| Super King (6ft) | 180 x 200cm | Maximum space, larger master bedrooms |
The construction of the foam layer determines how the topper performs in practice. Here is a plain guide to the types available in our range.
| Type | How It Works | Best For |
|---|---|---|
| Standard Memory Foam | Responds to body heat and weight, contouring closely to body shape. Consistent pressure relief. Can retain warmth - works better for cooler sleepers. | Side sleepers wanting maximum pressure relief who do not sleep particularly warm |
| Open-Cell Memory Foam | The foam structure is more porous than standard memory foam, allowing air to circulate through the material. Provides similar contouring with better breathability. | Those who want memory foam pressure relief with reduced heat retention |
| Spring-Cell Technology (Dormeo Octaspring) | The foam is structured into individual spring-shaped cells rather than a flat layer. Each cell compresses and rebounds independently, providing both contouring support and significantly improved airflow compared to flat foam. | Hot sleepers who want the pressure relief of memory foam with far better temperature regulation |
| Gel-Infused Memory Foam | Gel particles or layers are incorporated into the foam to absorb and disperse heat. Cooler surface feel than standard memory foam. | Those who sleep warm and want the closest body contouring available with improved temperature management |
Memory foam is the best-performing topper fill for pressure relief and motion isolation. It is not always the right choice for every sleeper.
A memory foam topper is likely right if:
Consider an alternative topper type if:
Browse our full mattress toppers range for wool, cooling, and latex alternatives.
A memory foam topper is a practical upgrade - but it is not always the right solution. Here is when a topper works and when you need a new mattress instead.
| Situation | Right Solution |
|---|---|
| Mattress is too firm but structurally sound | Memory foam topper - will add pressure relief and soften the surface |
| Mattress has lost surface comfort but still supports | Memory foam topper - restores comfort layer without replacing the mattress |
| Mattress is visibly sagging or dipping | New mattress - a topper will follow the sag and not correct it |
| Mattress is over 8 to 10 years old | New mattress - structural integrity will have declined |
| You sleep warm on a memory foam mattress | Cooling or spring-cell topper - not a standard memory foam option |
Browse our mattresses if a full replacement is the better call.
| Item | Typically Included? |
|---|---|
| Mattress topper | Yes - always |
| Removable or washable cover | Sometimes - check individual listing |
| Care guide | Yes - always included |
| Warranty or guarantee | Yes - ranges from 2 to 10 years depending on the brand and model. Check the individual listing. |
| Mattress protector | No - sold separately. Recommended to protect the topper and extend its life. See our mattress protectors. |
| Mattress | No - sold separately |
Always check the individual product listing for full details before purchasing. This varies between products.
| What We Offer | Why It Matters to You |
|---|---|
| 50+ years of expertise | Honest advice on whether memory foam is right for your sleep style and which type to choose |
| Award-winning options | GHI 2025-approved models from Emma and Best Seller-recognised options from Dormeo in the range |
| Dormeo Octaspring technology | Spring-cell memory foam that provides pressure relief with significantly better airflow than standard flat foam |
| Warranties from 2 to 10 years | Depending on the brand and model - check individual listings |
| Free UK delivery on orders over £100 | No hidden delivery charges on the vast majority of orders. Some remote postcodes may incur a surcharge - see our delivery page for details. |
| Price Promise Guarantee | We'll match any like-for-like price you find elsewhere |
| Interest-free finance available | Spread the cost on eligible orders - see our finance page for terms |
| Expert advice, 7 days a week | Real people via phone, chat, or in-store - no scripts, no pressure |
| Rated Excellent on Trustpilot | Real feedback from verified customers across thousands of orders |
Not sure which memory foam topper thickness or type is right for your mattress and sleep style? Our team can help you work through it. Chat online, call us, or visit our showrooms in Cheshire and Greater Manchester. We're open seven days a week.
| How to Reach Us | What to Expect |
|---|---|
| Live chat | Fast responses for quick questions. Available during opening hours. |
| Phone - 01928 242829 | Speak directly with a sleep expert. Best for advice on thickness, foam type, and whether a topper will solve your specific sleep problem. |
| In-store (Cheshire / Greater Manchester) | See and feel topper options in person. See our store locations. |
| Help Centre | Buying guides, size guides, and FAQs available 24/7. Visit our help and advice section. |
| Question | Answer |
|---|---|
| Will a memory foam topper make me hot? | It depends on the foam type. Standard flat memory foam can retain warmth, as the dense structure limits airflow. Open-cell memory foam and spring-cell technology (such as Dormeo's Octaspring) significantly improve airflow through the foam layer. Gel-infused options also help draw heat away from the surface. If you sleep warm, look specifically for these constructions rather than standard memory foam. |
| How thick should a memory foam mattress topper be? | For a subtle comfort change on a mattress that is only slightly too firm, a depth of around 3 to 5cm is usually sufficient. For a mattress that is noticeably uncomfortable or has lost more significant surface comfort, a topper of 5cm or more makes a more pronounced difference. Check the depth listed on each individual product listing. |
| Does a memory foam topper go on top of or under a mattress protector? | The topper goes directly on the mattress. The mattress protector then goes over both the topper and the mattress, protecting both from moisture, allergens, and general wear. This also helps keep the topper in position. |
| Can you sleep on a memory foam topper straight away? | Yes, but most memory foam toppers benefit from being left to expand for 24 to 48 hours after unpacking. This allows the foam to reach its full depth and any packaging-related odour to dissipate. The topper is safe to sleep on immediately, but will perform at its best once fully expanded. |
| Do memory foam mattress toppers smell when new? | A mild initial odour is normal and common with new memory foam. It comes from the manufacturing process and dissipates within a few days when the topper is aired in a ventilated room. It is not harmful. |
| How long does a memory foam topper last? | Typically 3 to 5 years with regular use. Higher-density foam and premium constructions tend to last towards the upper end of this range. Warranties across our range run from 2 years on own-brand options to 10 years on the Emma range, which reflects the confidence each brand has in the durability of their product. |
| How do I clean a memory foam mattress topper? | Spot clean with a mild detergent and cool water for small marks. For general freshening, vacuum the surface and sprinkle with bicarbonate of soda before vacuuming again. Do not machine wash or submerge memory foam in water, as this damages the foam structure. Always follow the individual care guide that comes with your topper. Using a mattress protector over the topper from day one significantly reduces how often cleaning is needed. |
| Can I use a memory foam topper on any mattress? | Yes. Memory foam toppers are compatible with virtually all mattress types and base configurations - pocket spring, foam, divan, slatted frame, and solid base. The topper sits on top of the mattress surface and is not affected by what is underneath. |
| Do you offer free delivery on memory foam mattress toppers? | Yes, free UK delivery is included on orders over £100, which covers most of our memory foam topper range. Some remote postcodes may incur an additional charge. Lead times vary by product - check the individual listing for estimated delivery. See our delivery page for full details. |
| Can I buy a memory foam mattress topper on finance? | Yes. Interest-free finance is available on eligible orders. See our finance page for full details on terms, eligibility, and how to apply. |
