Here are a few links that you may find useful
Sites that will help you get started:
Up-to-date information about protecting allotments:
If you need to contact the police:
Please report any incidents of antisocial behavior, vandalism or intruders on the site to the police as quickly as possible. This helps them build up a real time picture of what is happening when & where on the site which will greatly improve their chances of meeting some of these individuals in person.
To contact the police either call 101 or email them by visiting the Bromley Police website.