Thanks for the responses, so I could get something like this:
https://www.cef.co.uk/catalogue/products/1335958-150mm-6-inch-basic-kitchen-fan-standard?q=kitchen+extrator
And situate it anywhere in the kitchen, although preferably high up but not necessarily near the hob and I'd be ok?
I've just completed a studio flat and was under the impression I didn't need an extractor fan in the kitchen because there was an openable window. My building control officer has just told me otherwise :(
The kitchen is barely used so the fan is fairly redundant, so I'm trying to work out the...