Obviously the information is 'out there' as in readily available on the Council website, but of course the applicants didn't put it there, the council did.
Would you have the nerve to door-knock someone who'd recently had done what you're planning and ask about their builder?
We're having the devil's own job coming up with a builder who'll actually turn up to quote! We need to get stuck in as the PP is expiring fairly soon (newish purchase with PP already granted).