Electric Blanket Buying Guide: What to Check Before You Buy and Use One
An electric blanket can feel like the cheapest way to stay cosy on a cold night. You switch it on, slide into a warm bed, and the heating can stay low. But it is also a heating appliance that sits against your body, often for hours, so it is worth choosing and caring for it properly.
The good news is that the official advice is clear and consistent. This guide explains what to look for when buying an electric blanket, how to check it before the cold weather, how to use it safely, how to store and clean it, and when it is time to replace it. It draws on UK fire and rescue services, a UK consumer safety charity, and a US electrical safety foundation. Rules, safety marks, and advice differ between countries, so treat this as general information, not professional advice, and follow the instructions that come with your own blanket. I name no brands or products.
Why Electric Blanket Safety Matters
Fires are not common, but they are real
Electrical Safety First, a UK consumer safety charity, analysed government fire data and reported 31 accidental electric blanket fires in England in 2024/25. That was the highest in five years and a 24% rise on the 25 recorded in 2023/24. It also reported 11 casualties and/or fatalities that year. These are small numbers, they cover England only, and the page carries no clear publication date, so they show a pattern, not the risk for any one household. I haven’t found current figures for other countries that I can verify.
Age is the big risk factor
The US Electrical Safety Foundation International says: “Almost all of these fires involve electric blankets that are more than ten years old.” Its page was published in 2014 and modified in 2021, so check for a newer version. UK sources say the same thing in practice. Greater Manchester Fire and Rescue Service tells people to replace a blanket once it is more than 10 years old, and Electrical Safety First gives the same advice.
A heating appliance, not just bedding
It’s easy to treat an electric blanket like any other cover. It isn’t. It has wiring inside the fabric, a cord, a controller, and a connector. That is why the advice is about checking, not only buying. The rest of this guide follows the same order: choose well, check it, use it correctly, store it properly, and replace it on time.
Why this matters more in winter
Electrical Safety First links its concern to rising energy costs, which it says may push households to look for other ways to keep warm. If you’re using a blanket to save on heating, it’s worth spending a little time making sure it is safe. That is the whole point of this guide.
What to Look For When Buying
Buy new, from a reputable shop
Fire services agree on this point. Greater Manchester Fire and Rescue Service says to buy from a reputable retailer and not to buy second-hand blankets. Avon Fire and Rescue Service says to buy only new blankets, because a second-hand one may be unsafe and you can’t be sure it meets current safety requirements. Electrical Safety First advises buying from a trusted high-street retailer. If a deal looks too good to be true, or the seller can’t show you instructions, walk away.
Check for a safety mark
Greater Manchester Fire and Rescue Service says to look for a UKCA or CE mark. A council page I read adds that a blanket should carry “a recognised approvals mark,” giving examples that include BS EN 60335. These marks are for the UK and Europe. If you live elsewhere, look for the mark your own country uses to show independent testing. That last point is my own suggestion. The ESFI page I read doesn’t discuss marks, so I can’t give a US-specific one.
Look for safety features
Electrical Safety First advises choosing a model with automatic shut-off and overheat protection. Fire services also talk about thermostat controls. If you might leave the blanket on while you sleep, the Avon and Essex fire services say it should have “a thermostat control for safe all-night use.” Check the packaging and the instructions to see what the blanket actually offers. If the description is vague, that’s a reason to pick another one.
Choose the right type
There are two main types. An underblanket goes beneath you, on the mattress. An overblanket goes on top. Essex Fire and Rescue Service says never to use an underblanket as an overblanket, or the reverse. A council page adds that an underblanket should not be placed on top of the bed covers. Choose the type that suits how you want to use it, and use it only that way.
Check the size and the instructions
Pick a size that matches your bed, so it can lie flat without bunching. That is my own suggestion. Folding, creasing, and bunching are all things the sources warn against. Check that the instructions are included, and keep them. Several sources say to read and follow them before first use.
Who should be careful
Greater Manchester Fire and Rescue Service says not to use an electric blanket if you have a pressure-relieving device, have incontinence, or use emollient creams. I don’t know the reasons behind this, and I’m not a medical professional. If any of these apply, or if you’re buying for someone who is frail or unwell, ask a doctor, nurse, or pharmacist first.
Checking Your Blanket Before the Cold Weather
Do a visual check each autumn
Electrical Safety First advises checking the blanket and its cable for wear, damage, or rodent damage before plugging it in, especially after it has been in storage. Do it with the blanket unplugged, in good light, and lay it out flat so you can see all of it.
Signs that mean stop
Avon and Essex fire services list the danger signs. Stop using the blanket and contact the manufacturer if you see:
- Scorch marks or discoloured areas on the fabric.
- Visible wires, or wires poking through the fabric.
- Frayed or worn fabric.
- Damage to the cord between the plug and the controller, or between the controller and the blanket.
- A controller that buzzes or smells when switched on.
- A damaged or overheating connector where the cord plugs into the blanket.
Greater Manchester Fire and Rescue Service adds mould, creasing or folding, soiling, damp patches, damaged or missing tie tapes, and loose connections to its list.
If you are not sure
Several services give the same advice: if you’re unsure about the blanket’s condition, contact the manufacturer before using it. It may need replacing. Greater Manchester says that if it looks damaged, “stop using it immediately.” Don’t try to repair it yourself. That last part is my own suggestion, not from the sources.
Professional testing: sources differ
Avon and Essex fire services say an electric blanket should be checked by a qualified technician every three years. Another fire service page says to have it tested by a competent electrician at least every three years, and adds that fire and rescue services are not qualified to test blankets. A council page notes that manufacturers usually recommend inspections every three years, and suggests asking the manufacturer whether they test blankets and what it costs, since replacing the blanket may be cheaper. The Greater Manchester page and the Electrical Safety First page I read don’t mention testing. So if you’re unsure what applies to you, ask the manufacturer or a qualified electrician.
Help someone else check
A council page suggests offering to check the blanket of an elderly relative or neighbour, or arranging an inspection. It is a small kindness, and older blankets are the ones to worry about.
Using It Safely Every Night
Follow the instructions
Every source says the same thing first: read and follow the manufacturer’s instructions. They differ between models, so this matters more than any general rule in this guide.
Lay it flat
Don’t use the blanket while it is folded, rucked, or creased. Greater Manchester Fire and Rescue Service says that folding or bunching can cause uneven heating and overheating. ESFI says: “Never fold electric blankets when in use.” If you use an underblanket, tie it down with the tapes if it has them, and keep the lead and controller free so they aren’t trapped.
Overnight use: what the sources say
This is the point where advice differs, so read it carefully.
- UK fire services say to unplug the blanket, or switch it off, before getting into bed, unless it has a thermostat control designed for safe all-night use.
- Electrical Safety First says to avoid overnight use unless the blanket has an automatic shut-off.
- The US ESFI page says: “Heating appliances should never be left unattended or used while sleeping.”
So the safest reading is: use it to warm the bed, then switch it off, unless your blanket is clearly made for all-night use and your instructions say so. If you live in the US, follow your local guidance.
Keep it dry and clear
Don’t use a hot water bottle with an electric blanket. Electrical Safety First says this carries an electric shock risk, and Greater Manchester and Essex fire services give the same advice. Don’t touch the blanket with wet hands or feet, and never use it when it is wet or damp. Greater Manchester also advises keeping drinks away, because spills can cause faults. ESFI says to keep other items, such as extra blankets or pets, off an electric blanket while it is on, because it can overheat.
One blanket, one job
ESFI says a heating pad and an electric blanket are “not meant to be used interchangeably or at the same time.” Use one or the other. If you have a heating pad, keep it separate.
Keep a plug in good order
A leaflet from Electrical Safety First says that if you ever change the fuse in a 13 amp plug, use a 3 amp fuse. That is UK-specific, and I only read this in a summary of an older leaflet from 2016, so check with an electrician or the manufacturer before you touch a plug.
Storing, Cleaning, and Replacing It
Let it cool, then roll it
When winter ends, let the blanket cool before you put it away. Avon and Greater Manchester fire services say to store it flat or loosely rolled, since folding can damage the heating elements. Electrical Safety First says to roll rather than fold. Essex Fire and Rescue Service suggests wrapping it in a towel or plastic bag and keeping it in a cool, dry place.
What not to do in storage
Don’t use moth-proofing chemicals, and don’t put heavy items on top. One council page says underblankets can stay tied to the bed all year, as long as nothing is stored on them, while a 2016 Electrical Safety First leaflet, which I could only read in summary, advises against leaving a blanket on the bed all year. Since the sources differ, follow your own manufacturer’s instructions.
Cleaning
A council page says to wash or clean your blanket only as the manufacturer instructs. Some blankets can’t be washed at all, and the controller must never get wet. Check the label before you do anything.
When to replace
Replace it if it is damaged, or if it is more than 10 years old. Greater Manchester Fire and Rescue Service gives that age, and Electrical Safety First says to replace blankets of 10 years or more. If you aren’t sure how old yours is, check the label, or look for a date on the packaging or receipt. If you can’t find it, I’d treat it as old. That is my own suggestion.
Dispose of it properly
An old electric blanket contains wiring and electronics. I haven’t found guidance in these sources on how to dispose of one, so check your local council’s rules for electrical items. I wouldn’t pass a worn blanket on to someone else, since the sources advise against second-hand ones. That is my own suggestion.
A Simple Checklist
These steps are my own suggestions, built from the sources:
- Buy new, from a reputable shop, with a safety mark for your country.
- Choose the right type, and a size that lies flat on your bed.
- Look for overheat protection and, if you want all-night use, a control made for it.
- Read the instructions and keep them.
- Check it every autumn, unplugged and laid out flat.
- Stop using it at the first sign of scorching, fraying, buzzing, or smell.
- Lay it flat, never folded, and keep drinks, pets, and hot water bottles away.
- Switch it off before sleeping, unless it is made for all-night use.
- Store it loosely rolled in a cool, dry place.
- Replace it at 10 years, or sooner if in doubt.
An electric blanket can be a cosy, low-cost way to stay warm. A good buy, a quick check each autumn, and a few simple habits are all it takes to keep it that way.
