I also live close to both Rotherham and Sheffield shops and have used them both for over 20 years
but I stopped using their Workshops 10+ years ago.
As a retailer they're as good as anyone(I've bought about 7 or 8 bikes from them) but I never found their workshops to be anything other than OK at best but I only ever used them on Warranty stuff.They might be better now but I do everything myself so have no reason to try them out.
A few of the old crew started a company called Uberbike:-
https://www.uberbikecomponents.com/
Pretty good stuff from what I've tried/used.