Minimal filming of foot paths and streets adjacent to your property happens all the time, e.g. to film your front garden and/or your car. To be perfectly legal

Minimal filming of foot paths and streets adjacent to your property happens all the time, e.g. to film your front garden and/or your car. To be perfectly legal there are a few steps to take, but in reality as long as it's minimal and legitimate nothing is going to happen to you. Of course, that's not the same as pointing your CCTV camera straight into your neighbour's garden...