Thanks to a tip off, I have learnt that there is a website dedicated to saving Lonsdale House. While Planning Minister Justin Madden has approved the demolition of Lonsdale House, it can still be saved if there are enough protests and action.
Facebook Group: http://www.facebook.com/group.php?gid=20644183845
Petition: Online petition - Don't demolish Lonsdale House
The Honourable Justin Madden, Minister for Planning email@example.com
Melbourne Lord Mayor The Right Honourable Robert Doyle
My ranty posts:
A sensible opinion by Adam: