Flood Risk in Clarence Valley, NSW
Check whether a Clarence Valley property address falls within a flood planning area. Clarence Valley has ARI-quantified flood data from the Clarence Valley Flood Study — 1 scenarios mapped (PMF). Flood status directly affects granny flat eligibility and nearby development activity in Clarence Valley.
Flood data
1 AEP scenarios
Flood features
6
Heritage items
1,153
Flood planning in Clarence Valley — common questions
Is my Clarence Valley property in a flood area?
The Clarence River is one of the largest catchments in NSW and creates significant flood risk across the Clarence Valley. The Clarence Valley LEP defines flood planning areas for Grafton, Maclean, Yamba, and surrounding townships.
What are the flood risks in Grafton and Maclean?
Grafton sits on the Clarence River floodplain and has a long history of major flood events. Maclean and the lower Clarence have additional flood risk from tidal and storm surge interaction. The 2022 floods were among the most damaging recorded.
Does flood zone status affect granny flat eligibility in Clarence Valley?
Yes. Under SEPP Housing 2021, flood control lots are excluded from the complying development pathway for secondary dwellings. Much of the lower Clarence Valley is in flood planning areas.
Need the full planning picture?
Flood is one layer. A full report covers heritage, CDC eligibility, DCP setbacks, and nearby DA activity.
See all property checks →Also check: granny flat eligibility in Clarence Valley
Also check nearby councils
Flood data for Clarence Valley sourced from the Clarence Valley Flood Study and NSW Planning Portal EPI statutory overlay. ARI scenarios: PMF. Not a Section 10.7 flood certificate. Not legal advice. Confirm with Clarence Valley Council or a licensed flood consultant before making property or development decisions.