When I lived in NSW, I used a place which used to do the RHD dashboards for originally LHD cars.
He's done several dashboards for me and they look the same as new. And he doesn't charge an arm and a leg.
Dashboard Recovering Services, Unit 3, #4 Cunneen St, Mulgrave NSW 2756
ph 0409-171 165
ian [at] dashboardrecovering.com.au