Moreton Bay · South East Queensland · DA statistics

Building a granny flat in Banksia Beach: approval rates, timelines and costs

Real outcomes from 15 decided secondary dwelling (granny flat) applications on Banksia Beach properties, drawn from Moreton Bay council records. Data current as of 8 July 2026.

According to Casa Intelligence analysis of 15 decided applications in Moreton Bay, 93% of granny flat and secondary dwelling applications in Banksia Beach were approved, with a median decision time of 60 days.

93%

Approval rate

14 of 15 decided applications

60 days

Median decision time

Lodgement to decision (n=15)

15

Decided applications

Comparable secondary dwelling (granny flat) applications

4 June 2025

Latest decision

Most recent decided application in this cohort

What the numbers say about Banksia Beach

Across 15 decided secondary dwelling (granny flat) applications on Banksia Beach properties, 14 were approved — an approval rate of 93%. That reflects a strong track record for this kind of proposal. These are real, decided applications assessed by the Moreton Bay council, not estimates or modelling.

The median time from lodgement to decision was 60 days (measured across the 15 applications in this cohort with both dates recorded). That is a comparatively fast assessment turnaround. Individual applications vary widely with information requests, referrals and the assessment pathway that applies to the specific site.

Based on 15 decided applications in Moreton Bay, these figures describe how comparable proposals have actually fared — but every site is different. Zoning, overlays, lot dimensions and the assessment pathway for your specific parcel decide what is realistic for your project.

Recent decisions in Banksia Beach

The most recent decided secondary dwelling (granny flat) applications in this cohort, cited by real council application number so you can verify each one yourself.

ApplicationDecisionDecidedDays to decision
DA/2025/1191Approved4 June 202577 days
DA/2024/1826Approved30 July 202490 days
DA/2023/4588Approved9 Jan 202455 days
DA/2023/3696Approved29 Nov 202374 days
DA/2023/3730Approved20 Oct 202332 days

About this data

These statistics summarise decided development applications recorded against Banksia Beach properties in Moreton Bay council records, current as of 8 July 2026. Past decisions describe how comparable proposals have fared — they do not guarantee, and cannot predict, the outcome of any future application. Council assesses every application on its merits against the planning scheme that applies at the time. This page is general information, not planning or legal advice: what is achievable on a specific site depends on its zoning, overlays, lot dimensions and assessment pathway.

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