Logan · South East Queensland · DA statistics
Building a granny flat in Carbrook: approval rates, timelines and costs
Real outcomes from 15 decided secondary dwelling (granny flat) applications on Carbrook properties, drawn from Logan council records. Data current as of 8 July 2026.
According to Casa Intelligence analysis of 15 decided applications in Logan, 87% of granny flat and secondary dwelling applications in Carbrook were approved, with a median decision time of 33 days.
87%
Approval rate
13 of 15 decided applications
33 days
Median decision time
Lodgement to decision (n=15)
15
Decided applications
Comparable secondary dwelling (granny flat) applications
23 Oct 2025
Latest decision
Most recent decided application in this cohort
What the numbers say about Carbrook
Across 15 decided secondary dwelling (granny flat) applications on Carbrook properties, 13 were approved — an approval rate of 87%. That reflects a solid, though not automatic, track record for this kind of proposal. These are real, decided applications assessed by the Logan council, not estimates or modelling.
The median time from lodgement to decision was 33 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 Logan, 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 Carbrook
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.
| Application | Decision | Decided | Days to decision |
|---|---|---|---|
| MCUR/25/2025 | Withdrawn | 23 Oct 2025 | 218 days |
| MCUR/22/2025 | Withdrawn | 28 Apr 2025 | 49 days |
| MCUR/4/2025 | Approved | 1 Apr 2025 | 69 days |
| MCUR/103/2023 | Approved | 11 Jan 2024 | 113 days |
| MCUR/444/2021 | Approved | 23 Feb 2022 | 65 days |
About this data
These statistics summarise decided development applications recorded against Carbrook properties in Logan 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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