How to Choose the Right Mattress Protectors & Toppers
Published 2026-07-30 · Updated 2026-07-30
The Nest & Yard editorial team
Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-30.
Our pick: the Silentnight Waterproof Mattress Protector, Quiet Rustle Free Waterproof Resistant Sheet, Machine Washable, Single — the best Mattress Protectors & Toppers we tested, from £12.00.
Choosing a mattress protector or topper is a key step in protecting your investment and ensuring a comfortable night’s sleep. Before you start browsing, consider the factors that matter most to you – from material and fit to protection against spills and allergens. With so many options available, such as waterproof protectors or those designed for allergy sufferers, understanding these considerations will help you select the perfect addition to your bedding setup.
See the full range in Mattress Protectors & Toppers.

#1 Pick
Silentnight Waterproof Mattress Protector, Quiet Rustle Free Waterproof Resistant Sheet, Machine Washable, Single- Polyester
- Single
£12.00
Pros
- Fully waterproof backing guards against spills and accidents
- Quiet, rustle-free fabric stays comfortable overnight
- Trusted UK sleep brand at a budget-friendly price
Cons
- Single size only, other sizes sold separately

#2 Pick
Silentnight Anti Allergy Mattress Protector, Ideal for Allergy and Asthma Sufferers, Deep Fit Straps, Machine Washable, King, White- Polyester
- King
£18.00
Pros
- Anti-allergy treatment helps protect against dust mites
- Deep fit straps keep the protector secure overnight
- Machine washable for straightforward care
Cons
- Not fully waterproof, better suited to allergy protection than spill protection

#3 Pick
Silentnight Waterproof Mattress Protector, Quiet Rustle-Free Moisture Proof Mattress Pad Cover, Machine Washable and Hypoallergenic, King, White- Polyester
- King
£16.82
Pros
- Rustle-free construction is quieter than typical PVC covers
- King size fits UK king mattresses without gaps
- Hypoallergenic and machine washable
Cons
- Some buyers find the fit slightly loose on deeper mattresses

#4 Pick
Silentnight Supersoft Waterproof Mattress Protector, Luxury Quilted Bed Mattress Pad Cover with Extra Deep Fitted Skirt, Small Double- Polyester
- Small Double
£15.49
Pros
- Fully waterproof backing guards against spills and accidents
- Quilted top layer adds a soft, quiet feel underneath sheets
- Extra-deep fitted skirt suits thicker mattresses
Cons
- Waterproof backing can feel warmer on hot nights
FAQ
What’s the difference between a mattress protector and a topper?+
A mattress protector primarily shields your mattress from spills, dust mites, and general wear and tear; it's a barrier. A topper adds extra cushioning and comfort by increasing the thickness of your mattress – think of it as an additional layer. Many products combine both features, so check the description carefully.
How do I measure my bed for a topper or protector?+
Measure the length and width of your mattress *including* any headboard extensions. Add at least 10cm to each dimension for comfortable fit – this allows for easy removal and prevents slipping; remember UK beds often have deeper profiles.
What material should I choose for a mattress protector?+
For allergy sufferers, look for protectors made from hypoallergenic cotton or Tencel. Wool is another good option due to its natural moisture-wicking properties, essential in the UK’s cooler climate, but consider breathability.
I've noticed my topper keeps sliding off – what can I do?+
Use a fitted bed sheet with deep pockets to create a secure foundation. Alternatively, you could purchase non-slip pads specifically designed for toppers and place them underneath; ensure they are suitable for your mattress type.
How often should I wash my mattress protector or topper?+
Wash protectors every 3-6 months, or more frequently if spills occur. Toppers can be washed less frequently (every 6-12 months) but always check the manufacturer’s care instructions – many are machine washable on a gentle cycle.
What size mattress protector do I need?+
Measure your mattress's dimensions precisely, including any headboard extensions. A standard UK double bed is 135cm x 170cm; ensure the protector's size covers this fully to avoid exposed areas and potential damage.
Can I use a topper with a memory foam mattress?+
Generally yes, but consider the topper’s density. A latex or wool topper will work well, however, a very dense memory foam topper might compress the mattress slightly. It's worth checking the manufacturer's recommendations.
Are there any regulations regarding mattress toppers and protectors?+
The UK doesn't have specific regulations for mattress protectors or toppers themselves but does require mattresses to meet flammability standards as outlined by BS 7176. Ensure any product you purchase meets these safety requirements.
What tools do I need when installing a topper or protector?+
You’ll primarily need a pair of gloves for hygiene and a lint roller to remove any dust or fibres from the mattress surface before placing your new protector or topper. A measuring tape is essential for accurate sizing.
How can I protect my mattress from dampness in the UK?+
Regularly check for signs of condensation, particularly in rooms with poorly ventilated bathrooms. Consider a breathable mattress protector made from cotton or Tencel to wick away moisture and prevent mould growth – preventative measures are key!
In depth
Choosing the right mattress protector or topper is a surprisingly complex process; it’s far more than just slapping something over your bed and hoping for the best. The key lies in understanding what you actually need and selecting a product that aligns with both your individual comfort requirements and the specific characteristics of your bedroom environment. Let's break down the considerations, starting with mattress protectors – these are primarily about protection from stains, dust mites, and general wear and tear.
The first step is accurately measuring your mattress. Don’t rely on guesswork; a slight miscalculation here can lead to significant issues later. You'll need a soft tape measure, preferably one that’s at least 12 inches long for greater precision. Measure the length and width of your mattress, paying close attention to any intricate curves or corner designs. Add approximately 5-10cm (2-4 inches) to both dimensions – this extra allowance is crucial for tucking the protector under the edges and ensuring a snug fit. A tight fit prevents shifting and improves the overall effectiveness of the protector, particularly against moisture. Consider the depth of your mattress too; some protectors are designed for shallower mattresses, while others accommodate deeper sleeping surfaces. Many modern mattresses now have raised edges, so choose a protector with deep side gussets or elasticated corners to get a secure hold.
Next, consider the material. Wicking fabrics like cotton and bamboo are excellent choices for UK homes due to our generally humid climate. These materials draw moisture away from your skin, helping to regulate temperature and preventing mould growth – a significant concern in bathrooms and damp rooms. Synthetic protectors, while often cheaper, can trap moisture and exacerbate these issues. Look for protectors with a breathable design; many have perforations or mesh panels to improve airflow. The quality of the stitching is also important – robust seams will ensure the protector holds its shape and prevents leaks over time. Don’t automatically opt for the cheapest option; investing slightly more in a well-made protector can significantly extend your mattress's lifespan.
Moving on to toppers, the considerations are somewhat different. A topper adds an extra layer of cushioning, addressing issues like back pain or simply wanting a softer sleeping surface. The thickness of a topper is key. Thin toppers (2cm – 5cm) primarily offer comfort adjustments and pressure relief, while thicker ones (7cm+) provide substantial support and a noticeably deeper feel. When selecting a topper, consider your existing mattress firmness. If you have a very firm mattress, a thicker topper will create a more significant difference in comfort. Conversely, if your mattress is already quite soft, a thinner topper might be sufficient. Again, accurate measurement is vital; ensure the topper’s dimensions match those of your mattress plus an additional 5-10cm on all sides for easy placement and movement.
A common mistake UK buyers make with toppers – particularly when buying online – is neglecting to check the fabric composition. Many cheaper synthetic toppers are filled with polyester fibres, which can quickly flatten, retain heat, and attract dust mites. Look for toppers containing memory foam, latex, or wool – these materials are more durable, breathable, and naturally hypoallergenic. Wool, in particular, is a fantastic choice for UK homes due to its temperature-regulating properties and natural resistance to allergens. It's also worth noting that some synthetic toppers may not be suitable for people with allergies; always check the manufacturer’s specifications carefully.
Regarding installation, start by removing any existing bedding and ensuring your mattress is clean. Lay down a protective sheet or blanket on the bed to prevent staining during the process. For protectors, begin by stretching the protector over the mattress, working from one corner to the opposite. Tuck the edges securely under the sides of the mattress using the elastic corners or side gussets. For toppers, simply lay it flat on top of your mattress and smooth out any wrinkles. A second person can be invaluable for this step, especially with larger mattresses. Don't pull too tightly – you want a snug fit but not so tight that it distorts the mattress shape.
Finally, let’s address some practical UK-specific considerations. Our homes are often smaller than those in warmer climates, so choosing a topper or protector that doesn’t take up excessive space is essential. Also, remember that moisture control is paramount. Regularly airing out your bedroom – ideally with open windows – can significantly reduce humidity and prevent mould growth. Consider using a dehumidifier if necessary, particularly in bathrooms or areas prone to dampness. When it comes to cleaning, follow the manufacturer’s instructions carefully; many protectors and toppers are machine washable at low temperatures. Always turn them inside out before washing and ensure they are completely dry before placing them back on your bed. Regularly vacuuming both your mattress protector and topper will also help remove dust mites and allergens – a simple habit that can make a big difference to sleep quality.