The information requested falls within the responsibility of the UK Statistics Authority. I have asked the authority to reply.
Letter from Stephen Penneck, dated 9 March 2010:
As Director General for the Office for National Statistics, I have been asked to reply to your recent Parliamentary Question concerning, what the mean salary of a Grade 7 civil servant was at the latest date for which information is available. (320733)
The Office for National Statistics collects the annual salaries of civil servants, as part of the Annual Civil Service Employment Survey (ACSES).
The mean salary of a Grade 7 civil servant at 31 March 2009 was £49,290.