ALMOST $1 billion worth of developments were approved for construction by Blacktown Council in 2013-14.
Around $490 million was for residential development, according to its figures.
Around 2100 new homes were approved as the city welcomed more than 7000 new residents.
A significant number of applications for extensions and additions to existing homes were approved with residents choosing to renovate and expand rather than buy a new home or leave the area.
"Blacktown city is at the forefront of growth and development in Sydney and deals with more development applications each year than any other NSW council," mayor Len Robinson said. "And we determine them faster and more efficiently than most councils."
The remaining $510 million reflected the growing trend of businesses continuing to expand, relocate or establish themselves in Blacktown city.
The local government area recorded similar development activity in 2012-13 with a value of determined developments of $1.03 billion - second only behind Sydney City which recorded $3.63 billion.
Next were Parramatta with $817 million and Penrith with $720 million.
"Blacktown City Council provides superior and efficient service in many key areas, including having the highest number of development approvals determined in NSW," Cr Robinson said.
Blacktown City also recorded the highest number of Construction Certificates issued in NSW at 1720.