Silentnight Comfort Control Electric Blanket
The UK's most familiar electric under-blanket: one controller, simple heat settings and a low price.
Check Price on AmazonThe 10 Best Electric Under-Blankets of 2026, Ranked
Our verdict: The best electric under-blanket in 2026 is the Silentnight Comfort Control Electric Blanket. It tops our ranking with 9.2 out of 10.
Our picks
Silentnight Luxury Hotel Collection Electric Blanket
A Silentnight with a microfleece top and piped edge, sold mainly as a dual-control model.
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EMtronics Heated Electric Under Blanket Double
A budget double at 135 x 120cm with three heat settings and overheat protection.
Check Price on AmazonCozytek Double Electric Blanket
A low-cost double with three heat settings and a detachable controller.
Check Price on AmazonAll 10, compared
Ranked by our score out of 10. Every product links to its full review below.
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1
Silentnight Comfort Control Electric BlanketBest Choice
9.2 out of 10
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2
EMtronics Heated Electric Under Blanket DoubleValue for Money
8.7 out of 10
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- 3 Cozytek Double Electric BlanketBest Budget 8.2 out of 10 Check Price
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4
Silentnight Luxury Hotel Collection Electric BlanketBest Premium
8.0 out of 10
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5
Homefront Fitted Fleece Electric Blanket King Dual Control
7.9 out of 10
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6
Russell Hobbs Fitted Single Electric Underblanket
7.8 out of 10
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7
Wärmer Electric Blanket Double Dual Control Fitted
7.7 out of 10
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8
Slumberdown Sleepy Nights Electric Blanket
7.6 out of 10
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9
Daewoo Double Electric Heated Underblanket
7.5 out of 10
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10
GlamHaus Double Electric Blanket Fitted Quilted
7.3 out of 10
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The full reviews
1.Silentnight Comfort Control Electric Blanket
The UK's most familiar electric under-blanket: one controller, simple heat settings and a low price. It suits a single sleeper or a couple happy with the same heat.
Why it's here
- Fast heat-up and simple heat settings
- Overheat protection and easy-fit straps
- Available in single, double, king and super king
- Cheap to run, at around 1p an hour for pre-heating
Keep in mind
- One controller only, so no separate sides
- Sizes are smaller than the mattress label suggests, so edges can go uncovered
- The polyester fleece top feels warm and slightly rough to some owners
2.EMtronics Heated Electric Under Blanket Double
A budget double at 135 x 120cm with three heat settings and overheat protection. The polyester fabric is machine washable.
Why it's here
- Three heat settings
- Overheat protection
- Machine washable polyester fabric
- Among the cheapest doubles here
Keep in mind
- At 135 x 120cm it leaves the edges of a full double mattress uncovered
- Single controller, so no separate sides for a couple
- Plain polyester top with no thick comfort layer
3.Cozytek Double Electric Blanket
A low-cost double with three heat settings and a detachable controller. It is a plain way to warm a bed on a small budget.
Why it's here
- Three heat settings
- Detachable controller, so the blanket can go in the washing machine
- Machine washable at 40 degrees
- Among the cheapest doubles here
Keep in mind
- At 135 x 120cm it leaves the edges of a full double mattress uncovered
- Single controller and no timer
- Thin polyester top, with no thick comfort layer
4.Silentnight Luxury Hotel Collection Electric Blanket
A Silentnight with a microfleece top and piped edge, sold mainly as a dual-control model. Each side of the bed gets its own controller, and the range runs from single to super king.
Why it's here
- Separate slimline controller for each side of the bed on the dual-control sizes
- Three heat settings with overheat protection
- Soft microfleece top
- Machine washable, with a three-year guarantee
Keep in mind
- No timer, so you must switch it off yourself
- Held on by elasticated straps rather than a fitted skirt
- Costs more than the basic strap-down blankets
5.Homefront Fitted Fleece Electric Blanket King Dual Control
A fully fitted king at 152 x 203cm with a 40cm elasticated skirt and dual control. It is a long-running seller for couples who want each side set separately.
Why it's here
- Dual control, so each side can be set to its own heat
- Deep elasticated skirt of about 40cm holds it on the mattress
- Fleece top and fitted shape stay flat under the sheet
- Machine washable
Keep in mind
- Fitted fleece is bulkier to wash and dry than a strap-down blanket
- King size only in this listing, so not for smaller beds
- Costs more than the strap-down blankets here
6.Russell Hobbs Fitted Single Electric Underblanket
A single underblanket (70 x 150cm) from a familiar appliance brand, with three heat settings and a machine-washable cover.
Why it's here
- Ties attach it to the bed
- Three heat settings
- Machine washable once the controller is removed
- Low running cost
Keep in mind
- Single size only, so no dual control for couples
- No timer listed
- At 70 x 150cm it does not cover a full single mattress
7.Wärmer Electric Blanket Double Dual Control Fitted
A fully fitted double mattress cover with an elasticated skirt and dual control. Each side of the bed has its own controller and three heat settings.
Why it's here
- Dual control, so each side of the bed has its own heat
- Elasticated skirt that holds it on the mattress
- Three heat settings
- Cheaper than most fitted dual-control blankets here
Keep in mind
- Fitted cover is bulkier to wash and dry than a strap-down blanket
- Double only in this listing, so not for single or king beds
- Costs more than the budget strap-down blankets here
8.Slumberdown Sleepy Nights Electric Blanket
A plain, low-cost strap-down blanket from a bedding specialist. Three settings and one controller do the job of taking the chill off the sheets.
Why it's here
- Three heat settings on one easy controller
- Straps suit mattresses up to about 30cm deep
- Machine washable once the lead is removed
- BEAB approved with a two-year guarantee
Keep in mind
- No timer or dual control
- Strap-down only, so it can slip on the bed
- Basic polyester feel, with no thick comfort layer
9.Daewoo Double Electric Heated Underblanket
A budget double with three settings, a detachable controller and overheat protection. It does the basics at about 2p an hour on full power.
Why it's here
- Cheap to buy and about 2p an hour on full power
- Detachable controller so the blanket can be machine washed
- Overheat protection switches it off if it gets too hot
- Three-year guarantee with online registration
Keep in mind
- At 120 x 135cm it does not reach the edges of a full double mattress
- No timer and only one controller
- Elastic straps only, with no fitted skirt
10.GlamHaus Double Electric Blanket Fitted Quilted
A fitted double in white diamond-quilted fabric with dual controls and a timer. It offers nine heat settings, with the feet and body areas set separately.
Why it's here
- Nine heat settings, far more than the usual three
- Dual controls, with feet and body heat set separately
- Built-in timer
- Fitted cover that stays on the mattress and is machine washable
Keep in mind
- The heated area starts about 50cm down from the head of the bed, so shoulders stay unheated
- Fitted quilted cover is bulkier to wash and dry than a strap-down blanket
- Costs more than the basic blankets here
Before you buy
Which electric blanket is best?
It depends on the bed. A basic strap-down blanket such as the Silentnight Comfort Control or Daewoo underblankets suits one sleeper on a budget. Couples are better served by a dual-control model such as the Silentnight Hotel Collection or Homefront Fitted Fleece King Dual Control. We compared 26 under-blankets and ranked these ten from owner ratings, so the order reflects what buyers report.
Do I need a dual control electric blanket?
If you share a bed with someone who runs warmer or colder than you, yes. Dual-control blankets have two controllers, one per side, and each can be set or switched off separately. A single-control blanket suits one sleeper, or a couple who like the same heat. Single sizes never need two controllers.
What size electric blanket do I need for my bed?
Match the blanket to the mattress, not the label, because sizes vary by brand. A UK king mattress is about 150 x 200cm, and the Homefront king is 152 x 203cm. Some strap-down doubles are only 120 x 135cm, so they warm the middle and leave edges and feet cold. A fitted skirt grips the mattress; straps tie under it. Check depth too, as straps on the Slumberdown Sleepy Nights suit mattresses up to about 30cm.
Is it safe to leave an electric blanket on all night?
Check the maker's advice. Silentnight says to switch the blanket off before you fall asleep, and that pre-heating the bed is enough. Blankets with a timer, such as the GlamHaus, can shut themselves off. Never fold or bunch a blanket while it is on, and do not use it on an adjustable bed. Fit a 30mA RCD where you can. Check for fraying or scorch marks, and replace any blanket that is over ten years old.
How much does it cost to run an electric blanket for 8 hours?
Very little against heating a room. A 60W blanket costs about 2p an hour at 34p per kWh, so about 16p for 8 hours on high. Daewoo quotes about 2p an hour for its double on full power. Pre-heating on a low setting for an hour costs about 1p, and most of the cost falls once the bed is warm and you turn it down.
Can you wash an electric blanket?
Yes, if the maker says so. Unplug it, detach the controller and cable, and use a cool, gentle cycle: Cozytek allows 40 degrees. Daewoo says to line dry and not to tumble dry or iron its blankets. Dry the blanket fully before you plug it back in. Rolling it loosely for storage protects the wires.
How we ranked these ten
Every score here comes from our ranking model, not from anyone's opinion. It weighs owner ratings by how many there are, how recent they are and how reliable they look, then factors in value. We compared 26 models for this guide before settling on these ten.
Brands can't pay to be included or to move up. We last checked these picks in October 2026.
How we rank, in fullOur No. 1
Silentnight Comfort Control Electric Blanket
The UK's most familiar electric under-blanket: one controller, simple heat settings and a low price. 9.2 out of 10.
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