Bayside Council

Can I Build a Granny Flat in Bayside? Approval Pathway Explained

Building or adding a granny flat in the Bayside area? Check your CDC/DA pathway and timeframe — free initial check.

Building or renovating in Bayside?

Bayside LGA runs along Botany Bay and the Cooks River, mixing established residential streets with pockets of higher-density development near the coast.

Common projects we see in Bayside: granny flats, renovations, pools, and duplexes.

Worth checking early: parts of Bayside near the Cooks River and Botany Bay foreshore can carry a flood overlay.

Flood overlay (foreshore precincts)Bayside Council

Not sure if you need a CDC or a DA?

The fastest way to find out is a free property check — a Permit Express planning specialist will review your Bayside address and project and get back to you within one business day. Read our full CDC vs DA guide for the general rules, or get an answer specific to your property below.