From 11 September 2001 to 31 March 2007 1,228 arrests were made:
1,165 arrests under the Terrorism Act 2000;
63 arrests under legislation other than the Terrorism Act, where the investigation was conducted as a terrorist investigation.
Of the total 1228 arrested:
132 charged with terrorism legislation offences only;
109 charged with terrorism legislation offences and other criminal offences;
195 charged under other legislation including murder, grievous bodily harm, firearms, explosives offences, fraud, false documents;
Of those charged:
41 were convicted under Terrorism legislation;
183 convicted under other legislation[…]
114 at or awaiting trial.
Hansard - 12/01/2009