All I want is a decent microphone so that I can record what they are saying (yes, I can hear EVERY WORD even with my window closed) in the garden below my window. Surely I am within my rights to make a recording of "ambient sounds" inside my own bedroom? I would then be tempted to mail them a transcript and/or post the recording online in some anonymous fashion whilst sending / mailing them a link.
P.S. I wonder if they know they sound like a cross between Catherine Tate's "Am I bovvered?" teenage girl impression and the "yer, but no, but yer, but…" Vicky Pollard from Little Britain, only with a Crawley (Sussex)/Essex accent. *sigh*