3. Making a Subject Access Request
You can make a Subject Access Request (SAR) under the Data Protection Act.
As the process involves handing over a certain amount of personal information (including your address and your date and place of birth), it is only worthwhile submitting a Subject Access Request if you think there is a reasonable chance that your details are held on police records. There is no point feeding the surveillance officers with information they don’t already possess.
The Network for Police Monitoring (Netpol) have written a guide to making a Subject Access Request as part of their “Don’t be on a database” campaign.