$60m upgrade: Cost of Parliament House fence kept secret to 'deter terrorists'

By Tom McIlroy
Updated February 27 2017 - 2:23pm, first published 2:03pm
A new fence will cut across the lawns at the front of Parliament House. Photo: Andrew Meares
A new fence will cut across the lawns at the front of Parliament House. Photo: Andrew Meares
Senate President Stephen Parry is keeping secret security upgrades planned for Parliament House.  Photo: Alex Ellinghausen
Senate President Stephen Parry is keeping secret security upgrades planned for Parliament House. Photo: Alex Ellinghausen

The cost of a controversial security fence being installed outside Canberra's Parliament House has to be kept secret because the price tag could aid a terrorist attack, according to the federal government.