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10 Best Cooling Mattress Toppers 2025 in the UK

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Our Top Picks

#1

Winner

Silentnight Ultimate Deep Sleep 10cm Mattress Topper Single Bed - Luxury 4 Inch Thick Soft Mattress Enhancer Pad with Easy Fit Straps – Hypoallergenic and Machine Washable – Single – 190x90cm

Rating
10.0
Chosen by1,456
Thickness
Thickness
Exceeds expectations in thickness, providing a surprisingly plush and comfy feel.

The Silentnight Ultimate Deep Sleep 10cm Mattress Topper is designed to bring an extra layer of comfort to your mattress. With a thickness of 10cm, it promises cloud-like cushioning, which can be particularly beneficial for those who find their current mattress too firm or uncomfortable. The topper's quilted cover is designed to keep the filling in place, ensuring consistent comfort and support over time.

Its easy fit straps help secure the topper to your mattress, preventing it from slipping during the night. Being hypoallergenic and machine washable make it a practical choice for those with allergies and for those who prefer easy maintenance. However, it’s worth noting that it is constructed from microfibre, which may not provide the cooling properties that some other materials offer.

The topper fits a single bed size (190x90cm). While it adds an additional layer of plushness to your bed, it's more suited for enhancing comfort and providing a hypoallergenic surface rather than cooling. This product is particularly good for those seeking to add softness and want a topper that's easy to care for.

Rating
10.0
Chosen by1,456
Thickness
Thickness
Exceeds expectations in thickness, providing a surprisingly plush and comfy feel.
#2

Silentnight Deep Sleep 5cm Double Mattress Topper - Luxury Soft 5cm Thick Deep Mattress Topper Enhancer Pad Protector with Easy Fit Straps - Hypoallergenic and Machine Washable - Double - 190x135cm

Rating
10.0
Thickness
Thickness
Thicker than expected, the topper provides a nice and comfy sleeping experience.

The Silentnight Deep Sleep 5cm Double Mattress Topper offers several appealing features for those in search of enhanced comfort and rejuvenation for their existing mattress. Its 5cm thickness provides a plush, cloud-like feel that many sleepers may find enhances their comfort experience. The topper's quilted cover, which features internal walls, helps maintain the shape and plumpness of the filling, potentially enhancing durability and comfort over time.

The material used is microfibre, known for being soft and breathable, but it may not offer the cooling capabilities of more specialized materials like gel-infused foams. The topper is hypoallergenic, making it a suitable choice for individuals concerned about allergens, and it is machine washable, which adds convenience for maintenance and hygiene.

With easy fit straps, it is designed to securely attach to your mattress, preventing shifts during the night. The size is tailored to fit a double mattress, measuring 190 x 135 cm, which should fit standard double beds well. Those prioritizing cooling features specifically might want to explore other options with dedicated cooling technologies.

Rating
10.0
Thickness
Thickness
Thicker than expected, the topper provides a nice and comfy sleeping experience.

Buying Guide for the Best Cooling Mattress Toppers

Choosing the right cooling mattress topper can significantly enhance your sleep quality by regulating your body temperature throughout the night. A cooling mattress topper is designed to provide a cooler sleeping surface, which can be particularly beneficial for those who tend to sleep hot or live in warmer climates. When selecting a cooling mattress topper, it's important to consider various factors such as material, thickness, cooling technology, and firmness to ensure it meets your specific needs and preferences.
MaterialThe material of a cooling mattress topper plays a crucial role in its effectiveness and comfort. Common materials include memory foam, latex, and gel-infused foam. Memory foam is known for its contouring properties but can retain heat, so look for gel-infused or open-cell memory foam for better cooling. Latex is naturally cooler and more breathable, making it a good choice for those who prefer a more natural option. Consider your personal comfort preferences and any allergies when choosing the material.
ThicknessThickness affects both the comfort and cooling capabilities of a mattress topper. Toppers typically range from 1 to 4 inches thick. A thicker topper (3-4 inches) can provide more cushioning and support, which is ideal for side sleepers or those with joint pain. However, a thinner topper (1-2 inches) may be sufficient for back or stomach sleepers who need less contouring. Consider your sleeping position and the level of support you need when selecting the thickness.
Cooling TechnologyCooling technologies in mattress toppers can include gel infusions, phase change materials, or breathable covers. Gel infusions help dissipate heat, while phase change materials can absorb and release heat to maintain a stable temperature. Breathable covers enhance airflow, further aiding in cooling. If you are a hot sleeper, prioritize toppers with advanced cooling technologies to ensure a comfortable night's sleep.
FirmnessFirmness is a personal preference that affects how a mattress topper feels. A firmer topper provides more support and is suitable for those who prefer a stable sleeping surface, while a softer topper offers more cushioning and is ideal for those who like to sink into their bed. Consider your current mattress's firmness and your comfort preferences when choosing the firmness of your topper.
SizeThe size of the mattress topper should match your mattress to ensure a proper fit. Toppers are available in standard mattress sizes such as twin, full, queen, and king. Measure your mattress before purchasing to ensure the topper will fit correctly and stay in place during the night. A well-fitted topper will provide consistent comfort and cooling across the entire sleeping surface.