Here's another view.

There are many Plectranthus. Is there any scent if you tear a leaf?

No special scent, just smells a bit like cut grass but it doesn't linger like a scented plant.

Could be a Pilea of some sort...looks a little like P. depressa.

No, it IS a Plectranthus as suggested above. There are quite a few types, this looks like the common ones that grew like crazy 30+ yrs. ago when I was in College.

Common names for it then were Creeping Charlie &/or Swedish Ivy.

PG, after asking about the scent, I couldn't detect a scent from the Plec I have that looks like this one, has little white coleus-like flowers. Did ol' CC/SI have a scent to the leaves?

I am wondering how long the plant in the picture has been in that position? It looks like Plectanthus verticilatus that has had insufficient light for a couple of weeks. BTW the OP is in the UK and the zone 10 is incorrect. One's zone sometimes changes to 10 as a default. It's happened to me in the past.

I've looked up all the suggestions and the closest is P. verticillatus which I am familiar with but comparing this new plant to it, it appears smaller and a lot more delicate. I only bought the plant last week and I agree with flora-uk it does look like it has had too little light so it is now in a sunny window. The above picture is not where I normally keep it.
Thanks to everyone who contributed.

It looks like swedish ivy.

It looks like swedish ivy.

Juditann2 - Swedish Ivy is one of the common names for Plectranthus verticillatus.

Hiya Purp,

SI or CC had no fragrance that I recall (tho' I can't say I recall sticking my nose in a pot of them). But they had 'em hanging in the neighborhood bar & my SO was tall, so he would have mentioned it if he had smelled them (he was an undercover plant guy who wintered over Caladium bulbs in a dry pot of mix in his closet). He also grew Setcreseas indoors very nicely (first I'd ever seen), hanging in a heavy jute hanger he'd made.

TY, PG! After coming up allergic to so many plants recently, I wouldn't put my nose in a pot of anything, no doubt! Not afraid of the Lamiaceae family though, so tore up a leaf of my similar plant to sniff it the other day. Nothing like Cuban oregano or some of the other herby Plec scents, that you know would be strong enough for Suemc to use that as a clue.