Jetts Hornsby is a 24x7 gym inside Westfield Hornsby on Level 3 near the Burdett St Car park entrance who hit 2 years old in May 2016! :D AFTER HOURS ACCESS: For our out of town visitors our after hours entry is through the 'Burdett Street' car park. Just up the ramps to the third floor and in through the automatic doors and we are just there on your left! :D Jetts Fitness is Australia's favourite fitness chain, known for customer friendly policies including no lock-in contracts, 24/7 access and low membership fees. 100% Australian owned, the chain now operates over 250 Clubs across Australia and New Zealand, with new clubs opening every week.