By Phil Brown · Published 10 March 2026
Quick answer: Most straightforward residential DAs at Northern Beaches Council take around 3 to 6 months from lodgement to determination. Complex proposals, contested sites or applications with missing information can run longer. If your site qualifies for complying development instead, a certifier can approve a CDC in 1 to 2 weeks. The biggest factor you control is the quality and completeness of the application package.
A DA's clock has four phases. Pre-lodgement preparation is on you and your draftsman: survey, design, drawings and consultant reports, typically 4 to 10 weeks done properly. After lodgement comes completeness checking, where council confirms nothing is missing; incomplete applications get stopped here and the clock effectively resets. Then notification, usually a couple of weeks, where neighbours can comment. Finally assessment, where a planner works through the controls and any objections. Most of the painful delays happen because of problems planted in phase one.
Three local factors stretch timelines. Constrained sites needing referrals: flood-affected land near Narrabeen, bushfire interfaces in Bilgola and Ingleside, and coastal hazard lots in Collaroy each add a referral loop. Neighbour objections, common where views are at stake in suburbs like Seaforth and Fairlight, add assessment time even when the objection has no planning weight. And requests for additional information, the most avoidable delay of all, happen when the original package left questions unanswered.
Lodge complete: every report council could ask for, included from day one. Design inside the controls so the planner isn't being asked to defend a variation. Address view sharing and overshadowing in the drawings before a neighbour raises them. And respond to any council request within days, not weeks. This is the core of how we prepare every DA package: anticipate the questions, answer them in the drawings.
If your block and design meet the complying development standards, a CDC gets you approved in weeks. We check this first on every project; see our guide to DA vs CDC for how the pathways differ.
FAQs
You can respond fast to any information request and make sure your consultants do too. Beyond that, polite persistence helps; redesigning mid-assessment usually doesn't. Prevention beats cure.
No. Objections are weighed on planning merit. A design that complies with the controls is very hard to refuse on the strength of objections alone.
DA stage drawings run $2,500 to $5,000 on top of design work. Full pricing is on our pricing page, and every project gets a fixed quote up front.
Phil Brown is a Northern Beaches born and bred draftsman and building designer. Since 2016, Northern Beaches Drafting has prepared DA and CDC plans from Manly to Palm Beach and across the Central Coast. Get a free fixed-price quote or call 0414 978 499.
Free, no-obligation fixed-price quotes for drafting, DA and CDC plans across the Northern Beaches.