I have a similar style hood that extracts outside. Looks good.Thanks for all the feedback. We've decided to get one.
The trend at the kitchen shops we've been looking at seems to be huge glass things which are horrible. She also hates the 'chimney' style ones but quite likes the look of a simple bar one (https://ao.com/product/ch9t4bxuk-hisense-chimney-cooker-hood-stainless-steel-83424-5.aspx this looks like it'll pass her test!).