[The local authority partner] just said, said, ‘no, well, if, if that’s the best way of doing it that’s how we’ll do it’. And I said, ‘well, we’ll have to ask the residents.’ And he said, ‘why?’ ... if I’d been him I would have said, ‘well, no, we can’t really do that. I think we’ll go for houses with big families or something first’ or ‘we’ll do it street by street’. But that’s what he said. You choose the method, and we’ll fit in with you (Academic, RCT)