The dirtiest area of your bathroom revealed

Are you overlooking this spot when cleaning?

We love the feeling of a freshly cleaned bathroom, tiles, taps and mirrors gleaming. A recent study has revealed the area of the bathroom with the most germs.

Surprisingly, the spot in the bathroom harbouring the most bacteria is, in fact, the towel rail or radiator. Something to bear in mind next time you're deep cleaning the bathroom...

bathroom with towel rail and grey tiles

(Image credit: Future PLC)

The area of the bathroom with the most germs

Heating systems company Rointe swabbed five bathroom areas to determine the filthiest spots. The results showed that your heater, whether it be a radiator or towel rail, is probably the area of the bathroom with the most germs.

'Bathroom radiators and towel rails should be cleaned at least three times per month,' says Antoaneta Tsocheva, founder of cleaning company FastKlean. 'Ideally, you would add your entire bathroom to your weekly cleaning routine.

'This will allow you to keep the germs at bay and make your cleaning sessions shorter on average,' says Antoaneta . We can see why the towel rail or radiator can get forgotten, as we don't associate it with bathroom bacteria in the same way as we do the loo, sink or touchpoints like a toilet roll holder.

bathroom with white flooring and round mirror in wall

(Image credit: Blue Savoy tile in Moon and Supreme Evo Marquinia available at

You definitely don't want to be putting your best bath towels onto a radiator covered in bacteria. Antonaeta also points out that on top of the usual suspects like dust, grime, mould and mildew, you also need to think about bacteria.

'The bathroom itself is a damp environment, and so are the towels you hang on your radiator or rail,' she says. 'It’s the ideal environment for microorganisms and bacteria - things you definitely don’t want near your face.'

bathroom with white walls and white bathtub

(Image credit: Atlantis scallop porcelain navy tile available at

If that's not motivation enough to keep on top of cleaning, we're not sure what is. Cleaning expert Antonaeta also shared some of her top tips on how to clean your radiator or towel rail properly.

Make sure it's switched off, then put on your rubber gloves and give it a thorough dusting. She then recommends using a vinegar and water solution, as it's free of any toxic substances, and an old toothbrush for tricky spots.

Millie Hurst
Senior Content Editor

Millie Hurst was Senior Content Editor at Ideal Home from 2020-2022, and is now Section Editor at Homes & Gardens. Before stepping into the world of interiors, she worked as a Senior SEO Editor for News UK in both London and New York. You can usually find her looking up trending terms and finding real-life budget makeovers our readers love. Millie came up with the website's daily dupes article which gives readers ways to curate a stylish home for less.