The number of new dwellings proposed by developers for inner Sydney is reaching its highest level in recent history.

The surge in applications for apartment blocks comes as momentum builds at one of the biggest potential developments in inner Sydney, the Ashmore Estate precinct in Erskineville.

A planned new train line will bypass the St Peters and Erskineville stations. Credit:Brendan Esposito

GH Properties, one of Hong Kong's largest property companies, this month lodged a development application to build 1630 apartments on the border of Erskineville and Alexandria.