Located to the east of the island and stretching along Joo Chiat Road, East Coast Road and selected streets, the area was given conservation status on 23 July 1993. It contains mainly two-storey shophouses/terrace houses of the Transitional, Late and Art Deco Styles. Buildings of the simple Modern style were conserved on 1 December 2003.
To further enhance the heritage character of the Katong / Joo Chiat area, additional buildings were conserved on 2 April, 18 September and 29 December 2009. These included significant shophouses/terrace houses, as well as bungalows at 25 Chapel Road (volunteered by the owners for conservation), 25 Still Road South and 37 Marine Parade. The main buildings of the St. Hilda’s Church and Bethesda (Katong) Church were also conserved.