Granny Flat CDC Approval — Fast-Track Your Build

Granny Flat CDC Approval — Fast-Track Your Build

CDC is the fastest approval pathway — 10–15 business days via private certifier. No neighbour notification, no council assessment. Buildana (Lic. 487805C) secures CDC for ~85% of granny flat projects.

Eligibility Checklist

All must be true: Residential zone (R1/R2/R3/RU5) ✓ Lot 450 sqm+ ✓ Not heritage-listed ✓ Not in heritage conservation area ✓ Not flood-prone ✓ Not BAL-40/Flame Zone ✓ Not contaminated land ✓ Internal area 60 sqm or less ✓ Wall height 3.8m or less ✓ Overall height 6m or less ✓ All setbacks met ✓ Parking provided ✓ Open space compliant ✓

If ANY is unmet, DA is required. Buildana checks all criteria at the free site visit.

Cost and Timeline

CDC total cost: $3,000–$5,000 (certifier fees + documentation) Timeline: 3–5 weeks (documentation 2–3 weeks + CDC 10–15 business days)

Compare to DA: $5,000–$10,000 and 12–20 weeks.

Savings: $2,000–$5,000 direct costs + $3,500–$8,000 in reduced holding costs = $5,500–$13,000 total benefit. Plus guaranteed approval vs discretionary DA assessment.