This information is not collected centrally.
Information on unpaid additional hours worked by National Health Service staff is available from the NHS Staff Survey. Of those staff who completed the 2016 NHS Staff Survey, 59% reported working additional unpaid hours with 45% reporting up to five unpaid hours per week, 10% reporting 6-10 hours and 4% reporting 11 or more hours.
Full details of the NHS Staff Survey results for 2016 can be found at the following link:
We recognise and value the considerable commitment of NHS staff in serving patients and the public.