We are a law abiding family who are never involved in any confrontations or trouble.
The reason it happened is this. We own a rental property (we lived there, it went into negative equity so when we moved on we rented it out. We are now selling it as it's gone up in price again). We are members of a residents and owners group on Facebook for that house. Yesterday there was a thread talking about lettings agents. Someone recommended one we had used and had trouble with. This agency treated us and our tenant badly. They ignored our tenant's problems and didn't deal with them or tell us when we were paying them to manage the property, they were rude and dismissive on the phone, they charged the tenant for a credit check that they didn't do, they were impossible to get hold of. I could list more.
My husband commented on the thread just saying that we had a bad experience with them and wouldn't recommend them. At 10pm that night a massive, aggressive man came to our door. I answered as DH was upstairs trying to help me sooth our chicken pox covered toddler. This man aggressively demanded to speak to my husband. I asked who he was and told him to leave but he carried on. My DH came to the door and then this bloke leant right in our front door into my DH face and threatened that if he didn't remove is comment in the next 5 minutes he'd be back.
We shut the door and my husband removed the comment but I am fuming. We are entitled to our opinion. My husband's post didn't say anything that wasn't true. This agent has given a thug our address and he threatened us in our home.
What can we do to this agent now? I don't want them to get away with this but I don't want the situation to escalate.