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Beat the cold for less: heated jackets, throws and blankets
Affiliate disclosure:
It is freezing out, and heating a whole room is a dear way to warm one person on the sofa or a single bed. A heated throw, an electric underblanket or a heated gilet uses a fraction of the electricity of a portable heater, and some of the better-known UK shops have knocked money off them today.
We have picked 10 options from Argos, John Lewis and Amazon UK: heated throws for the sofa, underblankets for the bed, heated gilets, and one pair of rechargeable insoles. A “was” or RRP price is included only where the retailer's own page showed it. Many cheap “heated jackets” in the search results were actually gilets, and we have labelled them that way. Follow the maker's safety instructions, and do not fold a throw or sit on it while it is on.
What it costs to run, versus heating the room
These are labelled sums, not a promise. We have used Ofgem's GB average electricity cap unit rate for 1 October to 31 December 2026, which is 26.32p per kWh. Your own unit rate will differ, and it will change if you are on a time-of-use tariff. Standing charges are the same either way, so they are left out. This compares a personal heater with a 2kW portable electric heater, not a gas boiler.
| What you switch on | Wattage used in the sum | Cost per hour | Cost for 3 hours |
|---|---|---|---|
| USB heated gilet, typical 5V 2A power bank | 10W. This is our assumption from the 5V 2A rating many budget gilets ask for, not a measured figure for a named model | 10 ÷ 1,000 × 26.32p = 0.3p | 0.8p |
| Bedsure heated throw | 120W, as stated on the Amazon UK product page | 120 ÷ 1,000 × 26.32p = 3.2p | 9.5p |
| Argos Home heated throw | 130W, as stated on the Argos product page | 130 ÷ 1,000 × 26.32p = 3.4p | 10.3p |
| Dreamland Snuggle Up heated throw | 150W, as stated on the John Lewis product page | 150 ÷ 1,000 × 26.32p = 3.9p | 11.8p |
| A 2kW portable electric heater, for comparison | 2,000W. A common rating for a small room heater; your heater may be different | 2,000 ÷ 1,000 × 26.32p = 52.6p | £1.58 |
On these figures, three hours under the Argos throw costs about 10p. Three hours with a 2kW electric heater costs about £1.58. That is why a throw or underblanket can make sense if you are trying to keep one person warm, rather than the whole house. It will not heat the rest of the room, and it is not a substitute for safe heating if you are vulnerable to the cold.
Heated throws
These sit over you on the sofa or on top of the bed. They are not underblankets, so do not lie on them or tuck them tightly around you while they are switched on.
Argos
Home Grey Heated Throw, 160 x 130cm
£35.00 was £50.00
A soft polyester throw with 6 heat settings, a 5-minute heat-up, a 9-hour timer and overheat protection. Argos states 130W, which is about 3.4p an hour on the cap rate above. Machine washable, with a 2-year manufacturer's guarantee (1 year on the fabric). A straightforward shop-brand option, and the clearest markdown we saw on a high-street throw today.
Price checked 15 November 2026
Amazon UK
Bedsure flannel heated throw, 130 x 160cm
£32.99 Prime member price; non-deal price £49.99
Flannel on one side and sherpa on the other, with 6 heat settings, a 10-hour timer and 8-hour auto shut-off. The page states 120W, so about 3.2p an hour at 26.32p/kWh. Several colours and a couple of larger sizes are listed. The £32.99 figure is the Prime member price shown today; the same page lists a non-deal price of £49.99 if you are not a Prime member. Check which price appears at checkout.
Price checked 15 November 2026
John Lewis
Dreamland Snuggle Up electric heated throw, grey
£49.99
A well-known UK heated-throw brand, 120 x 160cm, 150W, with 6 temperature settings and a 1, 3 or 9-hour auto shut-off. Machine washable and tumble-dryer safe, with a 2-year guarantee included. No “was” price was shown on the John Lewis page we checked, so we have not invented one. Other colours are listed on the same product. Free standard delivery currently applies over £50, otherwise from £4.50.
Price checked 15 November 2026
Argos
Dreamcatcher microfleece heated throw, gold, 160 x 120cm
£39.99
A smaller gold microfleece throw with 9 heat settings, a 12-hour timer and a detachable controller. Machine washable at 30°C once the controller is removed. No reduced-from price was shown on the product page, so this is simply today's ticket price. The page claims a running cost “as little as 3p per hour” but does not state a wattage we could use in our own sum, so we have not repeated that figure.
Price checked 15 November 2026
Amazon UK
VonHaus heated throw, pink, 160 x 130cm
£39.99
A fleece throw in a gift box, with 9 heat settings, a 1 to 9-hour timer and overheat protection. Machine washable at 30°C. No “was” price was shown on the Amazon page we checked. A reasonable mid-price alternative if you want the gift box, rather than a proven markdown.
Price checked 15 November 2026
Electric underblankets
These go on the mattress, under a fitted sheet, and warm the bed before you get in. Fit the straps properly, and follow the brand's advice about overnight use. Silentnight says it recommends turning the blanket off before you fall asleep.
Amazon UK
Beurer TS15 Ecologic+ heated underblanket, double
£29.99 list price £34.99
A 152 x 122cm double underblanket with elastic straps, 3 heat settings and Beurer's automatic safety shut-off. Machine washable at 30°C once the controller is detached. Sold by Amazon. The page showed a 14% saving against a list price of £34.99. A single version is also listed; check the size before you buy. The double page we opened did not display a wattage, so we have not estimated a running cost for this one.
Price checked 15 November 2026
Argos
Silentnight Teddy Fleece electric blanket, single
£32.00 was £40.00
A teddy-fleece underblanket for a single bed, 72 x 135cm, with easy-fit straps, 3 heat settings, overheat protection and a 3-year manufacturer's guarantee. Machine washable. Argos also lists other sizes on the same range; the price above is for the single we opened today. The product page did not state a wattage.
Price checked 15 November 2026
Heated gilets and jackets
Budget heated gilets often need your own 5V 2A power bank. The mid-price option below includes one. Check the size chart, and take the battery out before washing. We opened one branded sleeved jacket (ORORO, women's) today, but it was £179.99 with no markdown shown, so we have not listed it as a deal.
Amazon UK
Hlaohswer heated gilet, 15 heating zones
£25.02 was £31.99
A men's-fit heated gilet with pads at the abdomen, shoulders, back and neck, and separate front and back controls. Sizes S to 3XL. The power bank is not included; the listing asks for a 5V 2A power bank or higher. Machine washable. A cheap way to try a heated layer, as long as you already have a suitable power bank or are happy to buy one as well.
Price checked 15 November 2026
Amazon UK
Loowoko heated gilet, with 10,000mAh power bank
£49.99 RRP £69.99
Four heating zones (neck, back and both sides of the abdomen), 3 heat levels, and a 10,000mAh power bank included (3.85V, 38.5Wh). The seller says up to 7–8 hours on low, or 2–3 hours on high. Water-repellent nylon shell, machine washable, sizes M to 3XL. About 1,466 ratings at 4.5 stars when we checked. This is the heated layer we would look at first if you want the battery in the box.
Price checked 15 November 2026
Heated insoles
The cheapest USB insoles we opened were generic listings with little or no review history, and some need a cable while they run, which is not much use in a boot. The pair below at least includes rechargeable batteries. Reviews are mixed and still few in number, so treat it as a low-cost try-out rather than a proven buy. Check the thickness against your shoes, and trim carefully; you cannot add material back.
Amazon UK
YumSur rechargeable heated insoles
£24.99
Cut-to-fit insoles for EU sizes 35–45, with two 3.7V 4,000mAh batteries and a 1-to-2 USB charging cable. The listing says a 5-hour charge gives 4–5 hours of warmth. Only 6 ratings, averaging 3.6 stars, when we checked: some buyers liked them, others said they were too thick or did not get warm enough. No “was” price was shown.
Price checked 15 November 2026
A few practical notes
- Use the size guide, especially on gilets, and check whether a power bank is in the box.
- Unplug throws and blankets before washing, and never use one that is folded, wet or damaged.
- An underblanket warms the bed; a throw warms you on the sofa. They are not interchangeable.
- Prices and Prime-only discounts can change quickly. The figures above were read on 15 November 2026.
- If a portable heater is doing the work, an energy-monitoring smart plug will show what it costs at the cap rate. Draughts around doors and unused chimneys are often cheaper to fix first: see draught-proofing under £20.
All prices were read from the retailer's own product page on 15 November 2026. Prices can change, stock can run out, and delivery charges may apply below a shop's free-delivery threshold. Amazon links include our Associates tag. This is not a recommendation to buy any particular product, and it is not safety advice: read the manufacturer's instructions.
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