There is "plenty" of guidance for hospitals on how they should run their car parks so patients' relatives are "not ripped off", a former member of the NHS Foundation Trust said.
Roy Lilley told Good Morning Britain hospitals would "have to charge" to pay for the wear and tear of the car park, but they should keep their prices reasonable.
More top news
The world is facing a "global health emergency", according to the World Health Organisation (WHO).
A milder night ahead with some cloud low enough to be misty in places.