The British House of Commons Select Committee on Defence published on the 25th March 2014, a report on drones, sorry they refer to 'Remote Control: Remotely Piloted Air Systems - current and future UK use'. I have not read it.

Link:http://www.publications.parliament.u.../772/77202.htm

Professor Paul Rogers has a very short commentary, to say the least he is not impressed:
A key role of a parliamentary committee is to hold an executive and its ministries up to independent scrutiny on behalf of parliament. In relation to armed-drones (or to use the correct language, “remotely piloted air systems”) in Afghanistan, the defence committee has a long way to go.
Link:http://www.opendemocracy.net/paul-rogers/drone-evasion?

The only comment by a reader is succinct too:
So Paul, what SHOULD the UK have done? Should we have replaced drone coverage with thousands of soldiers?