 The Tebbutt Peninsula House was built in 1845 by famous amateur astronomer, John Tebbutt II, who discovered two comets which today bear his name.Peninsula House and Tebbutt's Observatory was listed on the New South Wales State Heritage Register on 2 April 1999 having satisfied the following criteria.The place is important in demonstrating the course, or pattern, of cultural or natural history in New South Wales.