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10 Best Electric Blanket King Sizes 2025 in the UK

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Our Top Picks

#1

Winner

Silentnight Dual Control Electric Blanket Super King - Heated Electric Underblanket Bed Warmer Sheet with 3 Heat Settings, Easy Fit Straps and Split Controls - Machine Washable - Super King 160x200cm

Rating
10.0
Chosen by1,157
Heat Settings
Safety Features
Size
Heat Settings
For optimal warmth, turning the blanket on at the highest setting about 30 minutes before bed ensures a cozy sleep environment.
Safety Features
The elastic straps are effective in keeping the blanket securely in place, enhancing safety and comfort.
Size
Opting for a larger size than your bed can ensure better coverage and comfort, especially if paired with a mattress topper.
Control Type
The blanket's simple controls are user-friendly, though the lack of an automatic timer requires manual operation.

The Silentnight Dual Control Electric Blanket in Super King size is a solid choice for those seeking warmth and comfort in bed. Made from polyester, it is soft to the touch, ensuring a cozy and snug experience. Its dual control feature is particularly useful for couples, as it allows each person to independently adjust their side of the blanket, offering a personalized comfort level. This can be especially beneficial if partners have different temperature preferences.

The blanket offers three heat settings, which is a standard range for electric blankets, giving you control over how warm you'd like your bed to be. However, it’s important to turn off the blanket before falling asleep and avoid prolonged use at the highest setting to prevent overheating, despite it having an overheat protection feature for added safety.

With its easy-fit straps, the blanket is designed to fit securely over your mattress, which enhances safety by keeping it flat and in place. It's also machine washable, making it easy to maintain cleanliness and hygiene.

On the downside, being lightweight, it might not add much weight to your bed, which can be preferable for some users. Additionally, while the dual control is a great feature, managing two controllers might be cumbersome for some users. At 160x200cm, its large size is suitable for a Super King bed, but it may not fit well on smaller mattresses.

Rated 4.4 out of 5 stars by a significant number of users, the blanket is well-regarded, though some may find the limited heat settings restrictive compared to models with more options. It ranks high in customer satisfaction and sales, making it a popular choice for those in search of a reliable electric blanket.

Rating
10.0
Chosen by1,157
Heat Settings
Safety Features
Size
Heat Settings
For optimal warmth, turning the blanket on at the highest setting about 30 minutes before bed ensures a cozy sleep environment.
Safety Features
The elastic straps are effective in keeping the blanket securely in place, enhancing safety and comfort.
Size
Opting for a larger size than your bed can ensure better coverage and comfort, especially if paired with a mattress topper.
Control Type
The blanket's simple controls are user-friendly, though the lack of an automatic timer requires manual operation.
#2

Silentnight Dual Control Electric Blanket King Size - Heated Electric Underblanket Bed Warmer Sheet with 3 Heat Settings, Easy Fit Straps and Split Controls - King Size 160x150cm (63"x59")

Rating
10.0
Material
Heat Settings
Size
Material
Well made with an overall cotton type feeling of reasonable quality, in a simple, neutral colour.
Heat Settings
The bed is wonderfully warm if switched to the high setting for about 45 minutes before going to bed.
Size
Excellent coverage of the whole bed area when using the king size on a double bed.
Control Type
Simple heat options and user-friendly controls make it easy to use.

The Silentnight Dual Control Electric Blanket is a king-size option designed for those who value comfort and control. One of its standout features is the dual control system, which lets each person adjust their side of the blanket independently, catering to individual temperature preferences. This can be very handy for couples who often disagree on the ideal sleeping temperature. The blanket is made of soft polyester, adding an extra layer of comfort to your mattress.

It offers three heat settings, allowing you to select varying levels of warmth according to your needs. However, it is advised not to keep it on the highest setting for prolonged periods for safety reasons. Speaking of safety, the blanket includes overheat protection, which provides peace of mind while using it. The elasticated straps make it easy to fit on your mattress and ensure that the blanket stays in place throughout the night.

Additionally, the blanket is machine washable, making it convenient to keep clean and hygienic. One potential downside is that, at 1.4 kg, some users might find it slightly heavy. Also, while the blanket is sizable, it doesn't cover the entire bed, which might be a drawback for those who prefer full coverage. The Silentnight Dual Control Electric Blanket has received positive reviews from many users, earning a solid 4.4 out of 5 stars from over 49,000 ratings, indicating general satisfaction with the product. Though on the pricier side, it comes with a two-year warranty, which adds value and assurance of quality.

Rating
10.0
Material
Heat Settings
Size
Material
Well made with an overall cotton type feeling of reasonable quality, in a simple, neutral colour.
Heat Settings
The bed is wonderfully warm if switched to the high setting for about 45 minutes before going to bed.
Size
Excellent coverage of the whole bed area when using the king size on a double bed.
Control Type
Simple heat options and user-friendly controls make it easy to use.
#3

Silentnight Comfort Control Electric Blanket - Heated Electric Fitted Underblanket with 3 Heat Settings, Fast Heat Up and Easy Fit Straps - Machine Washable - King Size 137x165 cm

Rating
9.9
Material
Size
Control Type
Material
The heating wires are noticeable through the fabric, though most users adapt quickly without discomfort.
Size
Opting for a king size on a double bed provides excellent coverage and enhances comfort.
Control Type
The blanket is well-constructed from a trusted brand, offering simple, user-friendly controls without unnecessary features.

The Silentnight Comfort Control Electric Blanket is designed to fit king-sized beds, measuring 137x165 cm, and offers a snug layer of warmth with its polyester fleece material. This choice of fabric ensures a cozy feeling, ideal for those chilly nights. The blanket features three adjustable heat settings, allowing users to customize their comfort level easily. Its ultra-fast heat-up capability ensures the bed is warm in a short period, which is a great advantage for those who want quick relief from the cold.

Safety is a key factor with electric blankets, and this product includes overheat protection, providing peace of mind. However, users are advised to turn it off before sleeping and avoid prolonged use at the highest setting to maintain safety. Ease of use is enhanced by the easy fit straps that secure the blanket to the bed, helping it stay flat and in place. The machine washable feature makes it simple to keep clean, maintaining hygiene without much hassle.

One of the standout benefits is its energy efficiency, costing just 1p per night to heat the bed, which makes it a cost-effective choice for budget-conscious individuals. Despite these benefits, some users might find the heat settings limiting if they prefer more granular temperature control. The blanket’s hypoallergenic feature is a plus for sensitive users, catering to those with allergies. The Silentnight Comfort Control Electric Blanket is a solid choice for those seeking warmth and convenience from an electric blanket, especially for king-sized beds, though it may not suit individuals looking for advanced features or natural materials.

Rating
9.9
Material
Size
Control Type
Material
The heating wires are noticeable through the fabric, though most users adapt quickly without discomfort.
Size
Opting for a king size on a double bed provides excellent coverage and enhances comfort.
Control Type
The blanket is well-constructed from a trusted brand, offering simple, user-friendly controls without unnecessary features.

Buying Guide for the Best Electric Blanket King Sizes

Choosing the right electric blanket can significantly enhance your comfort during colder months. When selecting an electric blanket, especially in king size, it's important to consider various specifications that will ensure you get the best fit for your needs. These specifications will help you determine the blanket's safety, efficiency, and overall comfort. Understanding these key features will guide you in making an informed decision that aligns with your personal preferences and requirements.
MaterialThe material of an electric blanket is crucial for comfort and durability. Common materials include fleece, microfiber, and cotton. Fleece is soft and warm, making it ideal for colder climates. Microfiber is lightweight and offers good insulation, while cotton is breathable and suitable for those who prefer a natural feel. Consider your personal comfort preferences and any allergies when choosing the material.
Heat SettingsHeat settings allow you to adjust the temperature of the blanket to your liking. Most electric blankets offer multiple heat settings, ranging from low to high. This feature is important for customizing warmth and ensuring comfort throughout the night. If you tend to get cold easily, look for a blanket with higher heat settings. Conversely, if you prefer mild warmth, a blanket with lower settings may be sufficient.
Safety FeaturesSafety features are essential in electric blankets to prevent overheating and ensure user safety. Look for blankets with automatic shut-off timers, which turn off the blanket after a set period, and overheat protection, which prevents the blanket from getting too hot. These features are particularly important if you plan to use the blanket overnight or if you have children or pets.
SizeSince you are looking for a king-size electric blanket, ensure that the dimensions match your bed size. A king-size blanket should adequately cover a king-size bed, providing full coverage and warmth. Consider the dimensions carefully to ensure it fits well and doesn't hang excessively over the sides, which can lead to uneven heating.
Control TypeElectric blankets come with different types of controls, such as analog dials or digital displays. Digital controls often offer more precise temperature settings and may include features like preheat options or dual controls for shared beds. If you prefer simplicity, an analog control might be sufficient. Choose a control type that you find easy to use and suits your lifestyle.
WashabilityWashability refers to how easy it is to clean the electric blanket. Many modern electric blankets are machine washable, which is convenient for maintaining hygiene. Check the manufacturer's instructions to ensure the blanket can be safely washed without damaging the heating elements. If you prioritize easy maintenance, opt for a blanket that is machine washable.