A vertical flue would have to be in the neighbours roof so why would that be considered lucky for me they didn't do that? I'd love for them to do that.The op wants to think himself lucky they didnt fit a vertical flue.
Im sure he'd be complaining about that even more ??
I hope the landlord never landscapes the garden..
My landlord has no authority to do anything in my garden it would be a breach of contract. Just the same as allowing a flue to be in it. So funny enough a vertical flue would have kept them out the trouble they are in.