 William Rose wrote the screenplay, for which he was nominated for an Academy Award for Best Original Screenplay and won the BAFTA Award for Best British Screenplay.He claimed to have dreamt the entire film and merely had to remember the details when he awoke.Mrs Wilberforce is a sweet and eccentric old widow who lives alone with her raucous parrots in a gradually subsiding lopsided house, built over the entrance to a railway tunnel in Kings Cross, London.