Best Electric Blankets (2026 UK Buying Guide)
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Electric blankets are one of the cheapest ways to stay warm through a UK winter without turning the heating up — most underblankets cost only a penny or two per hour to run. The tricky part is knowing whether you want an underblanket (goes on the bed, under your sheet) or a heated throw (sits on top of you on the sofa), and which features are actually worth paying extra for. Here’s what to look for, and which ones we’d buy.
What actually matters
- Underblanket vs. heated throw — an underblanket warms the bed before you get in and is meant to be slept on; a heated throw is for sitting under on the sofa. They’re not interchangeable, so check which one a listing actually is before buying.
- Dual control on double/king sizes — if you share a bed, a single-zone blanket means one of you is always too hot or too cold. Dual control lets each side be set independently.
- Heat settings and an auto-off timer — more settings give finer control, and a timer (commonly 1/3/9 hours or similar) means it won’t run all night if you fall asleep with it on.
- Overheat protection and safety marks — check the product listing for overheat protection and any safety approval the retailer states (for example BEAB approval, a UK-specific safety mark for electric blankets). Don’t rely on a blanket that doesn’t state this anywhere.
- Machine washable with a detachable control — you can’t wash the control unit, so it needs to unplug from the fabric before it goes in the machine.
Our picks
Overall pick: Silentnight Comfort Control Electric Blanket (Double)
Silentnight is one of the best-known names in UK electric blankets, and this underblanket covers the basics well: 4 heat settings, overheat protection, easy-fit elasticated straps to keep it in place on the mattress, and a soft microfleece surface. It’s fully machine washable once the control is unplugged. A dependable, widely-stocked default if you just want a bed that’s warm when you get into it.
Budget pick: Morphy Richards EverCosy Electric Under Blanket, Single
BEAB approved, with 9 heat settings and a 9-hour timer, and Morphy Richards states a running cost of around 1p per hour for the single size. It’s reversible and machine washable. For a single bed, this is a sensible low-cost option from a brand that states its safety approval clearly on the listing rather than leaving you to guess.
Best for back pain and cold nights: Morphy Richards EverCosy Electric Under Blanket, King
Same EverCosy range in a larger 160x150cm size, also BEAB approved with 9 heat settings and a 9-hour timer. Morphy Richards markets this size specifically around easing cold-related stiffness and back pain, which tracks with the wider, more even heat coverage you get from a king-size underblanket versus a single.
Best heated throw: Dreamland Hygge Days Electric Blanket Heated Throw
This is the one for the sofa rather than the bed — a faux fur heated throw with Intelliheat technology, 6 temperature settings, a fast roughly 5-minute heat-up, and 1/3/9-hour auto timers. It’s machine washable once the control is detached. If what you actually want is something to wrap around yourself while watching TV rather than warm the mattress, this is the right category of product, not an underblanket.
Upgrade pick: Silentnight Comfort Control Heated Throw Blanket
A step up from a basic throw: luxury fleece, 9 heat settings (more granularity than the 4-setting underblanket above), a fast heat-up, and safety shut-off, and it’s machine washable. Worth the extra over a basic throw if you’ll use it most evenings through winter rather than occasionally.
Quick comparison
| Blanket | Type | Heat settings | Best for |
|---|---|---|---|
| Silentnight Comfort Control (Double) | Underblanket | 4 | All-around bed warming |
| Morphy Richards EverCosy Single | Underblanket | 9 | Tightest budget, single beds |
| Morphy Richards EverCosy King | Underblanket | 9 | Wider coverage, back/joint comfort |
| Dreamland Hygge Days | Heated throw | 6 | Sofa use, faux fur comfort |
| Silentnight Comfort Control Throw | Heated throw | 9 | Frequent sofa use, finer control |
FAQ
Is it safe to leave an electric blanket on all night? Most underblankets are designed to pre-warm the bed before you get in, then either be switched off or left on a low, thermostatically controlled setting — check the specific instructions for your model. An auto-off timer is a useful safeguard either way, and any fraying cable, scorch mark, or blanket older than about ten years should be replaced rather than risked.
Underblanket or heated throw — which do I actually need? If you want the bed warm when you climb in, you need an underblanket, which sits beneath your fitted sheet. If you want something to sit under while awake on the sofa, you need a heated throw, which sits on top of you like a blanket. They’re built and rated differently, so don’t substitute one for the other.
How much does an electric blanket cost to run? Manufacturer figures for the underblankets here range from roughly 1p to 5p per hour depending on size and setting, which is substantially cheaper than running central heating to achieve the same warmth in one room.