If you see a parking or motoring offence and have a picture or video, you can report it online. The police are running a scheme called Operation Snap, which is primarily aimed at motoring offences but can also be used for parking offences. We are seeing that offences are quickly being dealt with and fines and/or points issued on the majority of reported offences. Unfortunately it is becoming heavily used and it is requested that only serious parking issues are reported i.e. it's dangerous or blocking the road or pavement. It uses the NextBase reporting system which can be found using this link
Details of Operation snap can be found using this link At the bottom of the link, you can find reports of the offences and outcomes for each month.