Sunshine Coast · South East Queensland · DA statistics
Building a duplex in Birtinya: approval rates, timelines and costs
Real outcomes from 12 decided dual-occupancy and duplex applications on Birtinya properties, drawn from Sunshine Coast council records. Data current as of 26 July 2026.
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According to Casa Intelligence analysis of 12 decided applications in Sunshine Coast, 100% of duplex and dual-occupancy applications in Birtinya were approved, with a median decision time of 24 days.
100%
Approval rate
12 of 12 decided applications
24 days
Median decision time
Lodgement to decision (n=12)
12
Decided applications
Comparable dual-occupancy and duplex applications
18 July 2024
Latest decision
Most recent decided application in this cohort
What the numbers say about Birtinya
Across 12 decided dual-occupancy and duplex applications on Birtinya properties, 12 were approved — an approval rate of 100%. That reflects a strong track record for this kind of proposal. These are real, decided applications assessed by the Sunshine Coast council, not estimates or modelling.
The median time from lodgement to decision was 24 days (measured across the 12 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 12 decided applications in Sunshine Coast, 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 Birtinya
The most recent decided dual-occupancy and duplex applications in this cohort, cited by real council application number so you can verify each one yourself.
| Application | Decision | Decided | Days to decision |
|---|---|---|---|
| POS24/0131 | Approved | 18 July 2024 | 4 days |
| POS24/0102 | Approved | 12 June 2024 | 8 days |
| POS22/0123 | Approved | 5 Sept 2022 | 27 days |
| POS21/0281 | Approved | 10 Jan 2022 | 20 days |
| POS19/0301 | Approved | 9 Feb 2020 | 75 days |
About this data
These statistics summarise decided development applications recorded against Birtinya properties in Sunshine Coast council records, current as of 26 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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