 There is some evidence of concrete cancer to the buildings in the form of exposed reinforcing where minor concrete spalling has occurred.The former RAAF Radar Station 208 at Catherine Hill Bay, comprising remains of the RAAF radar installation is significant as a rare example of NSW's participation in the WWII network of air warning radar, established in strategic locations along Australia's coast during World War II.It is one of nine ACO radar stations established on mainland Australia using British imported ACO radar and the only remaining site of the two established in NSW.