The best infrared mirror heaters, compared.
Top pick: Mirrorstone round 320 W Best value: Radi8 round 320 W – About £250.00, the lowest price in the set, if you check the nameplate for the 320 W versus 580 W conflict. Updated October 2026.
An infrared mirror heater is a wall-mounted electric radiant panel with a tempered mirror face. UK shoppers use one in a bathroom, cloakroom or dressing area where the mirror and the heater must share a wall. You need watts that match the room, an IP54 mark you can tie to the install, and a thermostat plan. IP54 is not permission to plug a heater in over the bath. At 26.32 p/kWh Direct Debit average for 1 October to 31, an hour at full power is about 12 pence at 450 W. Watts, shape and control are in the [infrared mirror heater buying guide](/hub/heating/infrared-mirror-heater/sub/infrared-mirror-heater-buying-guide). It is not cheaper to run than any other electric heater at the same watts. Energy Saving Trust treats infrared as direct electric heat, and electricity costs roughly four times gas per unit if you were replacing a whole-house gas system. Listing lines about demisting or health benefits stay marketing unless the maker documents them. The amazon.co.uk file lists 2.6 kg; UK spec sheet for the 850 mm 320 W round quotes about 10 kg. All three listings say non-thermostat and point you to an external thermostat, including smart options.
An infrared mirror heater is a wall-mounted electric radiant panel with a tempered mirror face. UK shoppers use one in a bathroom, cloakroom or dressing area where the mirror and the heater must share a wall.
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Personal buying guide
Question 1 of 2
What wall are you fixing into?
Mirrorstone’s round mirror panel is listed at £282.99 with IP54 and bathroom in the title, and a bullet claims Wi-Fi control from a phone or tablet. amazon.co.uk shows 5.0 out of 5 from a single rating with no review text in the file, which is far too thin to treat as a reliable UK sample. The title says 320 W while another bullet mentions 580 W and about 9–10 square metres, and the heat-output field prints 120 °C rather than watts, so the power story is messy compared with the Radi8 rectangles. Mounting type is wall mount, yet a bullet also describes a floor-standing heater, which is another line to reconcile before you drill. The scrape lists 2.6 kg, while Mirrorstone’s own UK spec sheet for the 850 mm 320 W round quotes about 10 kg, so confirm weight and fixings with the seller if that gap matters on your wall. If the Wi-Fi claim is real, it is the only listing here that suggests in-app control without an external Radi8 stat, but you still need a compliant bathroom circuit and should not assume IP54 replaces zone rules.
Pros
Cons
Best for: Shoppers who prioritise app control and will verify mounting, weight, and watts with the seller before install
Less suitable: Anyone who wants a clean spec sheet and a deep UK review history before spending nearly £283
Specifications
Common questions
Does the saved listing include a thermostat?
The spec table does not name a thermostat. A bullet claims Wi-Fi control from a phone or tablet, and the maximum temperature setting field reads 45 °C. A timer is asked in the listing questions and not answered in the file.
Is bathroom use stated?
Yes. The title says bathroom and IP54 splash proof, and a bullet says IP54 can handle splashes. Another bullet calls the same unit a floor-standing heater while mounting type is wall mount. IP54 is not a zone certificate.
Which power figure is on the file?
The title says 320 W. A bullet says 580 W and about 9–10 square metres. The heat-output field says 120 °C. Those lines conflict.
Radi8’s 450 W rectangle at £285.00 is the clearest listing in this batch: title, heat-output field, and model MH8060M450 all agree on 450 W for an 800 × 600 mm tempered mirror about 12 mm deep. The file again shows no amazon.co.uk star line, so perceived warmth and mirror durability come from spec and brand claims rather than buyer feedback here. Like the other Radi8 panels it is sold as NON Thermostat with no built-in Wi-Fi or remote, and the bullets point you toward an external thermostat, including Radi8 smart options, which adds budget beyond the panel price. IP54 is stated together with bathroom and dressing-room use when the electrical zone is correct and a professional hard-wires the unit, which is the honest framing rather than a plug-and-play bathroom heater. At 12.3 kg it sits between the light Mirrorstone scrape and the 17.8 kg 700 W sibling, so a stud wall needs the right anchors. For many UK ensuites the 450 W band matches retailer rules of thumb near 50–80 W/m² better than a 320 W round, without jumping to the largest rectangle.
Pros
Cons
Best for: A medium ensuite or dressing area where you want a rectangular mirror and can hard-wire with an external stat
Less suitable: Very small cloakrooms on a tight budget or buyers who refuse extra control gear
Specifications
Common questions
Does it come with a thermostat?
No. The title says non-thermostat. The bullets say there is no built-in thermostat, Wi-Fi or remote, and that a suitable external thermostat can be paired, including Radi8 smart options.
What does the listing say about bathrooms?
It calls the IP54 mirror suitable for bathrooms and dressing rooms when the electrical zone is correct and a professional hard-wires it.
What size and output are printed?
450 W, about 800 × 600 mm and 12 mm deep in the bullets, 12.3 kg, 230 V and 1.96 A.
The Radi8 700 W panel at £349.99 is the largest and highest-output mirror here, with a 1200 × 600 mm face and matched 700 W lines in the title and heat-output field. It shares the same NON Thermostat pattern as the 450 W Radi8: no built-in stat, Wi-Fi, or remote, with external thermostat compatibility including Radi8 smart options. amazon.co.uk prints no reviews for this ASIN either, so you are buying on dimensions and wattage clarity rather than owner reports. At 17.8 kg and 3.04 A at 230 V it demands robust fixings and a circuit checked by a qualified electrician, especially in a bathroom where zone placement matters more than the IP54 splash rating alone. Coverage in square metres is not printed on the file, so size the room with your own W/m² rule and treat 700 W as an upper band for a single mirror on one wall. It makes sense when a wide vanity or two basins need one mirror-and-heater surface; for a compact WC the smaller round or 450 W rectangle usually wastes wall and money.
Pros
Cons
Best for: Large bathrooms or dressing rooms with a wide wall and budget for hard-wiring plus external control
Less suitable: Small cloakrooms, weak plasterboard without upgrade, or buyers who only need towel warmth
Specifications
Common questions
Is it wall-mounted?
Yes. Mounting type is wall mount. The bullets describe a 1200 × 600 mm panel about 12 mm deep.
Does the listing include a thermostat?
No. The title says non-thermostat. The bullets say no built-in thermostat, Wi-Fi or remote, and that an external thermostat is compatible.
What bathroom fitting does the file describe?
IP54, for bathroom use when a qualified electrician hard-wires it in the appropriate zone. The heat-output field is 700 W, at 230 V and 3.04 A, and the weight is 17.8 kg. Coverage in square metres is not printed.
The Radi8 round panel at £250.00 is the lowest-priced mirror heater in this set, with an 850 mm tempered mirror face, IP54 splash rating, and a silent radiant design with no fan. The amazon.co.uk file prints no star line and no owner reviews, so comfort and long-term mirror clarity are unknown from that source alone. The title and model code say 320 W, while the heat-output field reads 580 W and the printed current is 1.39 A at 230 V, so you should treat the watt figures as a conflict until you read the nameplate on delivery. There is no built-in thermostat, Wi-Fi, or remote; the bullets say a suitable external thermostat can be paired, including Radi8 smart options. At 15 kg on the listing it is the heavier of the two round options, which matters if you are fixing into plasterboard rather than masonry. IP54 and bathroom wording still assume correct BS 7671 placement and professional hard-wiring, not a plug over the bath.
Pros
Cons
Best for: A cloakroom or dressing area where you want a round mirror on a solid wall and you will add an external stat
Less suitable: Buyers who need confirmed wattage before purchase or who cannot budget for an electrician and thermostat
Specifications
Common questions
What diameter does the listing give?
The title and bullets say 850 mm. Item dimensions are 1.2 cm deep by 85 cm by 85 cm, and the weight is 15 kg.
Does this Radi8 round panel include a thermostat?
No. The title says non-thermostat, and the bullets say there is no built-in thermostat, Wi-Fi or remote. They do say an external thermostat can be used, including Radi8 smart options.
Why do the watt lines disagree?
The title and model MH850M320 say 320 W. The heat-output field says 580 W and coverage says 161 square feet. The file also prints 1.39 A at 230 V. Treat the watt lines as a conflict and check the nameplate.
Four amazon.co.uk listings are kept. The score compares those mirror panels. It is not a lab measurement of heat output. Stars use the amazon.co.uk rating when a star line exists, and zero when the file has none. The review-sample block stays low for no star line or a single rating. Bathroom kit and clarity cover a printed IP54 mark, external thermostat compatibility, a built-in Wi-Fi or thermostat claim, watt lines that agree, and bathroom or hard-wiring guidance. Price against clarity favours a consistent listing. A watt conflict scores lower. Weights sum to 100. The highest score is the top pick. Best value is the lowest price in the set if you accept checking the nameplate.
Stars
30%The star block is the amazon.co.uk rating divided by 5, then multiplied by 30, when a star line exists. Otherwise it is zero. Three Radi8 files have no star line. Mirrorstone is 5.0 from 1 rating.
Review sample
25%No star line scores 4. One to nine UK ratings score 6. Ten or more would scale up to 22. None of these four files has ten ratings, and the Mirrorstone file has no review text. A 5.0 from one rating is not a UK owner consensus.
Bathroom kit and clarity
30%IP54 printed scores 8. External thermostat compatibility stated scores 6. A built-in Wi-Fi or thermostat claim scores 6. Title and heat-output wattage that agree score 6. Bathroom or hard-wiring guidance in the bullets scores 4. A title-versus-field watt mismatch deducts 5. A wall listing that also says floor-standing deducts 4.
Price against clarity
15%A consistent listing under £260 scores 12. A mid listing from £260 to £300 with no watt conflict scores 10. A premium listing at £300 or more with matched watts scores 8. A listing watt conflict scores 5. The Radi8 round is the lowest shelf price, at about £250.00, with that conflict already in the score.
An infrared mirror heater puts a tempered mirror and a radiant panel on the same wall. Decide the watts you can confirm, the shape that fits, and whether a thermostat is in the box or still to buy. Then check the zone, the weight and the plug. A star line of one review, or no star line, is a thin sample. This is not a lab test, and an IP54 bullet is not a bathroom approval.
An infrared mirror heater is a wall-mounted electric radiant panel whose face is a tempered mirror. It is sold in the UK mainly for bathrooms, cloakrooms and dressing areas where a mirror and a heater must share one wall. It is direct electric heat. It is not cheaper to run than any other electric heater at the same watts. Energy Saving Trust treats infrared as direct electric heat, and electricity costs roughly four times gas per unit if you were replacing a whole-house gas system.
IP54 handles a splash claim. BS 7671 still limits where a mains heater may go. Zones, a 30 mA RCD and hard-wiring are the install, not an IP bullet. Do not site a plug beside the shower.
A 320 W title and a 580 W heat-output line cannot both be the figure you size the room from. Check the nameplate. Coverage lines in square metres or square feet are seller text.
Demisting like a dedicated demister pad, and claims about circulation or health, are marketing unless the maker documents them. Do not cover the mirror face with towels. The surface gets hot.
Start with watts you can confirm. The Radi8 450 W and 700 W listings agree between the title and the heat-output field. Both round listings do not: 320 W in the title and 580 W in another line. The Radi8 round also prints 1.39 A at 230 V. Read the nameplate before you size the room. A retailer rule of thumb of about 50–80 W/m² is not a test of these panels. Mirrorstone’s UK spec sheet pairs 320 W with about 6–7 m². Shape follows the wall. A round panel is about 850 mm.
None of the four files prints a BS 1363 plug. IP54 is printed on all four. That is a splash claim. It does not place the heater in zone 1. Weight on the amazon.co.uk files runs from 2.6 kg on the Mirrorstone scrape to 17.8 kg on the 700 W Radi8. The maker sheet for the Mirrorstone 850 mm 320 W round quotes about 10 kg, so confirm fixings if you are drilling into plasterboard. The Radi8 round is 15 kg and the 450 W rectangle is 12.3 kg.
Three typical situations, each with a recommendation from this comparison.
You want a rectangular mirror on a basin wall and you can hard-wire with an external thermostat. The Radi8 450 W rectangle is the top pick at about £285.00: 800 × 600 mm, IP54, and 450 W on both the title and the heat-output field. There is no amazon.co.uk star line.
You want a round mirror on a solid wall and you will check the nameplate. The Radi8 round 320 W is best value at about £250.00, with IP54 and an external thermostat option. The title says 320 W and the heat-output field says 580 W. It weighs 15 kg.
You have a long wall and budget for hard-wiring plus an external control. The Radi8 700 W rectangle is 1200 × 600 mm at about £349.99, with matched 700 W lines and IP54. It weighs 17.8 kg, and the file has no amazon.co.uk review line.
The top pick is the Radi8 450 W rectangle at about £285.00. It has the highest score in this set: 450 W agrees on the title and the heat-output field, on an 800 × 600 mm IP54 mirror, with hard-wiring and zone language. The amazon.co.uk file has no star line, so that score is listing fit. Best value is the Radi8 round 320 W at about £250.00 if you check the nameplate. It is the lowest price, and the title says 320 W while the heat-output field says 580 W. Skip the 450 W panel if the wall only takes a round mirror or you will not add an external thermostat. Skip the round if you need watts that already agree on the listing.
Radi8 round 320 W
About £250.00, the lowest price in the set, if you check the nameplate for the 320 W versus 580 W conflict.
Editorial
Peter F. is the editor for DIY & tools at productscompared.co.uk. Comparisons in this category are checked against amazon.co.uk listings, review evidence and public UK sources.
Guides on what to look for, how to use a product, and common mistakes.
Public UK sources named below. amazon.co.uk prices, stars and review counts on these four listings were taken from the listing files. Page updated October 2026.
This page contains affiliate links to amazon.co.uk (tag pcuk26-21). If you buy through them, we may earn a commission at no extra cost to you. Prices, stars and review counts are taken from those listings. We did not run a lab test.
