Aldermaston is under the catchment of Thames Valley Police and is covered by the Brimpton Neighbourhood Policing Team. In a meeting with Aldermaston Parish Council, the police reported that 57 criminal offences were reported to have taken place in the parish between 2009 and 2010. Of this, the majority was theft from non-dwelling properties. Vehicle crime had dropped by 57% on the previous year but violent crime had risen from four to six incidents. Five of these crimes were reported to be domestic violence. There have been no reported cases of robbery in Aldermaston since 2006.