Can anyone recommend a very small radiator for a downstairs loo?

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Can anyone recommend a really tiny radiator for a downstairs loo? The old decrepit one that's in there currently is about 40cm x 48cm, and ideally I'd like something a bit smaller than that. It could even be a low level floor radiator, but all the ones I've seen are the best part of a meter long, which is way too big for the room unfortunately. Luckily the room doesn't get too cold so it doesn't need to throw out a huge amount of heat. I'm struggling to find something small enough that isn't a heated towel rail, which wouldn't be right for the room unfortunately. TIA!

Why not go for a ceiling light / heater combined?
https://www.oneclearwinner.co.uk/product/bathroom-ceiling-heater-light-combination/?campaign=b_oneclearwinneruk&gad_source=1&gad_campaignid=20333316188&gclid=EAIaIQobChMIgujA08vKkwMV_ZJQBh0GBzD8EAAYAiAAEgLN7_D_BwE

Could you do a tall vertical radiator? I was tearing my hair out trying to find a small enough radiator for my en-suite as it needed to be less than 40cm width, and stumbled across this tall design. Looks fab and pumps out some decent heat

Milano Windsor - Vertical Traditional Double Column Radiator - Choice of Metallic Colours and Sizes

I'm seeing multiple googling radiator 40x40.

https://amzn.eu/d/000bkQCN

https://www.plumbersmerchantsleicester.com/?i=849621&srsltid=AfmBOoqX4HedZ0l4zQ4rulHp_ViO7nqYQfA6eHkWWmDK2zENUKzFoLdDS7g
To start

Ideally you'd want one the same width so you can replace with no plumbing.

I have this tiny one from Amazon: https://www.amazon.co.uk/gp/aw/d/B07F6GFJM6?psc=1&ref=ppx_pop_mob_b_asin_title

Are you certain that you need one? My parents have two tiny toilets, neither has room for any radiator, but it's never cold in either of them. I think they just warm passively from the rest of the house.

How about a stylish heated towel rail?

What's wrong with the one you've got? Do you bang it with your knees? Is it rusty?

BTW radiators and towel rails next to a WC should be avoided. They are prone to speckles of rust and corrosion, which I now know are caused by splashes from men standing at the pan.

Chrome and stainless can be polished off with a green pan scourer and a tiny drop of WD40. Brushed stainless will stand up better.

You might also consider UFH.

Unless you are very rich, look at the electric mats than can be tiled over. I suppose they could be fitted under hard laminate.

The power load is very low. I have a 300W heater in a WC fed from a 6A lighting circuit (and yes, that is permitted) with a timer thermostat.

Unless the room has a fixed bath or shower, regulations pertaining to bathrooms do not apply. Because it is not a bathroom.

Hi @PigletJohn I’m so sorry, I’ve only just seen these recent messages- yes the current one is incredibly rusty, I think it must be as old as the house, so 25+ years, so I’m not sure it’s particularly efficient either. I had toyed with an electric underfloor mat actually, I’m not sure why I backed away from it as we have one in our main bathroom and it’s lovely, and I’m surprised how cheap it’s been to run. The downstairs loo is tiny, so it would be a minuscule mat, but maybe that’s not too much of a problem in a room that doesn’t get too cold in winter?