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Portable electric heater buying guide

Updated: October 2026

You are about to plug a portable electric heater into a UK socket, and the photo will not show whether the plug is BS 1363 or the voltage line says 120 V. This portable electric heater buying guide is the check order the Products Compared editorial team uses on the amazon.co.uk listings in the [portable electric heater comparison](/hub/portable-heaters/portable-electric-heater), updated 16 October 2026. We read prices, stars and stated features. We did not run a lab test. If you buy through our links, we may earn a commission at no extra cost to you. Finish the checklist before you sort by watts.

You are about to plug a portable electric heater into a UK socket, and the photo will not show whether the plug is BS 1363 or the voltage line says 120 V.

Our top picks

Ballu Ballu 2000 W WiFi panel

Best overall

Ballu Ballu 2000 W WiFi panel
9.6/10about £149.99
View offer
DREO Dreo Atom 316 1500 W gold

Rank 2

DREO Dreo Atom 316 1500 W gold
9.2/10about £49.99
View offer
Amazon Basics Amazon Basics 1800 W ceramic

Preis-Tipp

Amazon Basics Amazon Basics 1800 W ceramic
9.0/10about £9.90
View offer
On this page
  1. 1.What to check on the listing
  2. 2.Watts for the room you actually heat
  3. 3.What an hour costs
  4. 4.Listings in this set that need a second look

What to check on the listing

UK mains are 230 V and the plug should be BS 1363. In this set the gold Dreo Atom 316 states 220–240 V. Amazon Basics states 230 V, both Warmlites state 240 V, and the Ballu states 230 V. Two Dreo towers print 120 V, one Dreo bullet describes a 2-prong plug, and four listings state no voltage. An amazon.co.uk page does not fix a 120 V line. Look for tip-over in the title or the bullets. Amazon Basics states a tip-over switch and says it is not for bathrooms. The Warmlite titles state overheat only, and UK reviews of the £9 WL44002 say there is no tilt switch. The gold Atom 316 is 4.6 from 10,466 reviews, and one UK review of a November 2023 unit had no remote. Read how to use a portable electric heater only after the listing looks like a UK heater.

Watts for the room you actually heat

A higher wattage heats a cold corner faster and costs more for every minute on full power. 1000–1500 W is the desk and small-bedroom band: the Atom 316 at 1500 W, the Elovaris at 1200 W, and the JVISION with 1000 W and 1500 W steps. 1800–2000 W is the quicker blast: Amazon Basics at 1800 W, both Warmlites, the two oscillating Dreo towers, and the Ballu panel. 2000 W is not automatically better in a box room. Adax uses about 80 W per square metre as a rule of thumb for a typical insulated room, not a survey of your flat. A 12 m² bedroom at that figure is about 960 W, so 1500 W has headroom unless the room is draughty. Seller sizes are not tests. Speed against leftover heat sits on the portable electric heater vs oil-filled page.
Ballu Ballu 2000 W WiFi panel

Testsieger

Ballu Ballu 2000 W WiFi panel
9.6/10about £149.99
View offer

What an hour costs

Ofgem’s Direct Debit average for 1 October to 31 December 2026 is 26.32 pence per kWh in England, Scotland and Wales. It is not a Northern Ireland rate, and it is not your fixed tariff. A timer is the practical control. The gold Atom 316 and the DR-HSH014 state a 12-hour timer. The Warmlite bullets do not. Four hours of 2 kW on full is about £2.10 if it never cycles. The Ballu up to 37% line is the manufacturer’s claim. One 2 kW heater belongs on a 13 A wall socket, not a reel shared with a kettle.

Listings in this set that need a second look

Three patterns should slow you down. The DR-HSH014 and the Atom 320 print 120 V on the specification line. Both are well reviewed, and both still need you to confirm the plug, because 120 V is the North American mains figure. The DR-HSH003 states 220 V and also a 2-prong plug with a 1.80 m lead. A 2-prong plug is not BS 1363. The white Atom 316, the ComDomus, the Elovaris and the JVISION do not state a voltage in the file we read, and the ComDomus review text in that file is from the United States. The £9 Warmlite has 4.0 from 14,122 reviews, and reviewers say it has no tilt switch. Open the best portable electric heater page with those rows in mind.

Common questions

Is 2000 W always better than 1500 W?
No. 2000 W costs about 53 pence an hour at 26.32 pence per kWh, against about 39 pence for 1500 W. A small bedroom often needs the lower figure. Choose 2000 W when the room is larger, and use a thermostat.
Does a ceramic heater cost less to run than a fan heater?
Not per unit of electricity. A 1500 W ceramic tower and a 1500 W fan heater draw the same power on full. Cost follows the watts and the hours. A thermostat can shorten the time on full. The unit rate does not fall because the element is PTC.
What if the listing says 120 V?
Treat it as a buying problem. UK mains are 230 V with a BS 1363 plug. In this set the DR-HSH014 and the Atom 320 print 120 V and do not also state 220–240 V. Do not assume an amazon.co.uk page means the heater is built for a UK socket. Check the plug and the rating plate before you switch it on.
Is a 2-prong plug acceptable in the UK?
No. A UK domestic plug is three-pin to BS 1363. The DR-HSH003 states 220 V and a bullet that describes a 2-prong plug. That is not a UK plug. Electrical Safety First expects a three-pin plug in a wall socket. Do not file the pins down or force an adaptor as a routine fix.
How much is one hour at full power?
At 26.32 pence per kWh, the Ofgem Direct Debit average for England, Scotland and Wales this quarter, 2 kW is about 53 pence an hour and 1.5 kW is about 39 pence, before a thermostat cycles the element. It is not your bill in Northern Ireland or on a different fixed rate.
Should I trust a 5.0 from three reviews?
No. The JVISION is 5.0 from three reviews and the Elovaris is 5.0 from six. Three or six short reviews can all be positive and still say nothing about a second winter. Prefer a 4.5 or 4.6 from hundreds or thousands, and still read the listing.

Related pages

Oil heater fan

Portable electric heater

Best portable electric heater: UK top pick for 2026

Portable electric heater for a bedroom before sleep

How to use a portable electric heater on a UK socket

Portable electric heater vs oil-filled radiator, UK

Sources

Public UK sources used for this comparison. Listing prices, stars, and review counts are the amazon.co.uk lines from 16 October 2026.

  1. Electrical Safety First — portable heaters (retrieved 16 October 2026)
  2. Ofgem — energy price cap, 1 October to 31 December 2026 (retrieved 16 October 2026)
  3. Energy Saving Trust — electric heating (retrieved 16 October 2026)
  4. Centre for Sustainable Energy — room heaters (retrieved 16 October 2026)
  5. energy.org.uk — electric heaters compared (retrieved 16 October 2026)
  6. GOV.UK OPSS — portable heater plug report B0BRW4YQ7S (not in this set) (retrieved 16 October 2026)
  7. NBS — BS EN 60335-2-30 (retrieved 16 October 2026)
  8. Hertfordshire Fire and Rescue — portable heater safety (retrieved 16 October 2026)