Commercial broadcaster Nine Entertainment has a new address after announcing it would end its 50-year stay at Willoughby on Sydney's north shore.

In a move flagged last year by Fairfax Media, Nine announced on Friday it would shift to the Winten Property Group's development at Denison Street at North Sydney.

Nine will be the anchor tenant in the development, taking nine floors. The new premises will also accommodate all of Nine's studios in Sydney. 

As well as staff from Willoughby, Nine's CBD employees will also move to the Winten development.

The lease is for a minimum 12 years.

Nine sold its studios to Hong Kong-based property investor Euro Properties for $147.5 million in 2015.

Euro is in the process of gaining planning permission for an apartment development on the site.

Willoughby has been home to the Nine Network for 50 years, dating back to the time of founder Sir Frank Packer.

More to come