Filmmaking / Directing : Film Crew Job Adverts - for film shoot in English Lake District by Christopher Rosindale

Hello, Can anyone please help me? There is a film which will be shot in the English Lake District this year - starting in May. Due to the production company having recently moved offices they are not as east to contact as they were before. Since casting of the child parts is now being undertaken it cannot be long before they start hiring crew - if they haven't started that already. Apart from Film and TV Pro (www.filmandtvpro.com/uk), where should I look to try and find their crew job adverts? Many thanks! Chris Rosindale