Neighbour Development Alerts in Blacktown, NSW
See DA and CDC applications lodged near any Blacktown address — updated weekly from the NSW ePlanning Portal. High residential volume, secondary dwellings, greenfield lots. Subscribe to get emailed every Monday when new applications are lodged within 200m of your property. Combine with a granny flat eligibility check to understand the full development picture, or run a shadow analysis to see how nearby DAs could affect your property.
Alert radius
200m
from your address
Check frequency
Weekly
Monday 7:00 am AEST
Activity level
High
in Blacktown
Weekly DA monitoring — coming soon
Get emailed every Monday when new DAs or CDCs are lodged within 200m of this address. Join the waitlist to be first in line.
DA and CDC data sourced live from NSW ePlanning Portal. Application details may lag lodgement by 1–3 business days.
Development monitoring in Blacktown — common questions
How active is development in Blacktown?
Blacktown is one of Greater Sydney's highest-volume DA councils. Large greenfield estates in the northwest, combined with infill secondary dwelling and dual-occupancy activity in established suburbs, generate thousands of applications annually. Western suburbs like Rooty Hill, Mount Druitt, and Quakers Hill see consistent residential construction activity.
What types of development should Blacktown homeowners watch?
Secondary dwelling (granny flat) CDCs are very common — many approved within weeks with no notification. New dwelling construction and knockdown-rebuild DAs are frequent in established suburbs. Larger commercial and industrial DAs are common near Seven Hills Road and Richmond Road corridors.
Can I object to a neighbour's DA in Blacktown?
Yes. Council DAs are publicly notified by Blacktown City Council for at least 14 days. Weekly alerts give you time to respond before the submission deadline. CDCs through private certifiers — very common in Blacktown — are not notified and require proactive monitoring.
How far away do alerts cover?
Alerts cover applications within 200m. In Blacktown's suburban grid this typically covers 60–100 properties depending on suburb density.
Do granny flat CDCs show up in Blacktown alerts?
Yes. Secondary dwelling CDCs lodged through private certifiers are recorded on the NSW ePlanning Portal and are included. Blacktown has a high rate of granny flat CDC lodgements — this is one of the primary use cases for weekly alerts in the LGA.
More property checks for Blacktown
Also check nearby councils
DA and CDC data sourced from the NSW ePlanning Portal. Applications typically appear within 24–48 hours of lodgement. Weekly alert checks run every Monday at 7:00 am AEST. Not all development types require DA or CDC lodgement on the ePlanning Portal — minor exempt development may not appear. Not legal advice.