Maybe money saved this way would mean more to spend on really vital services. By charging for interpreters, additional money could be raised and permanent residents encouraged to learn English and inegrate sufficiently to be employable.
A large amount of money could be saved by doing away with free interpreter services, especially for people who are permanent residents. Many of these are British citizens who have lived here for years but still need interpreters. I know of one incident where a woman was admitted to hospital and was unable to understand the staff even though she had lived in Britain for 40+ years.
When British citizens are involved in dealing with state services in other countries, interpreters are not provided free of charge – they have to pay.