Sunshine Coast · South East Queensland · DA statistics
Building a duplex in Coolum Beach: approval rates, timelines and costs
Real outcomes from 126 decided dual-occupancy and duplex applications on Coolum Beach properties, drawn from Sunshine Coast council records. Data current as of 26 July 2026.
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According to Casa Intelligence analysis of 126 decided applications in Sunshine Coast, 91% of duplex and dual-occupancy applications in Coolum Beach were approved, with a median decision time of 65 days.
91%
Approval rate
115 of 126 decided applications
65 days
Median decision time
Lodgement to decision (n=125)
126
Decided applications
Comparable dual-occupancy and duplex applications
3 Feb 2026
Latest decision
Most recent decided application in this cohort
What the numbers say about Coolum Beach
Across 126 decided dual-occupancy and duplex applications on Coolum Beach properties, 115 were approved — an approval rate of 91%. 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 65 days (measured across the 125 applications in this cohort with both dates recorded). That is a fairly typical assessment timeframe for South East Queensland. Individual applications vary widely with information requests, referrals and the assessment pathway that applies to the specific site.
Based on 126 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 Coolum Beach
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 |
|---|---|---|---|
| POS25/0234 | Approved | 3 Feb 2026 | 48 days |
| MCU25/0313 | Approved | 29 Jan 2026 | 92 days |
| OPW25/0475 | Withdrawn | 15 Jan 2026 | 78 days |
| MCU25/0257 | Approved | 12 Jan 2026 | 125 days |
| MCU25/0160 | Approved | 19 Nov 2025 | 161 days |
About this data
These statistics summarise decided development applications recorded against Coolum Beach 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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