The Hills Shire Council

Can I Build It in Castle Hill? Approval Pathway Explained

Building or renovating in Castle Hill? Find out your CDC/DA pathway and timeframe — free initial check.

Building or renovating in Castle Hill?

The Hills Shire has well-established CDC pathways for standard residential projects on typical suburban blocks.

Common projects we see in Castle Hill: New homes, pools, duplexes, granny flats.

Worth checking early: Outer, bushland-adjacent parts of the Hills Shire can carry bushfire-prone land overlays — worth checking early.

Bushfire-prone land (parts of LGA)The Hills Shire 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 Castle Hill 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.