Sunshine Coast · South East Queensland · DA statistics
Building a granny flat in Glass House Mountains: approval rates, timelines and costs
Real outcomes from 10 decided secondary dwelling (granny flat) applications on Glass House Mountains properties, drawn from Sunshine Coast council records. Data current as of 8 July 2026.
According to Casa Intelligence analysis of 10 decided applications in Sunshine Coast, 80% of granny flat and secondary dwelling applications in Glass House Mountains were approved, with a median decision time of 61 days.
80%
Approval rate
8 of 10 decided applications
61 days
Median decision time
Lodgement to decision (n=10)
10
Decided applications
Comparable secondary dwelling (granny flat) applications
15 Jan 2026
Latest decision
Most recent decided application in this cohort
What the numbers say about Glass House Mountains
Across 10 decided secondary dwelling (granny flat) applications on Glass House Mountains properties, 8 were approved — an approval rate of 80%. That reflects a solid, though not automatic, 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 61 days (measured across the 10 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 10 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 Glass House Mountains
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 |
|---|---|---|---|
| OPW25/0417 | Approved | 15 Jan 2026 | 108 days |
| MCU25/0283 | Approved | 15 Jan 2026 | 108 days |
| MCU25/0105 | Approved | 29 June 2025 | 61 days |
| MCU25/0047 | Approved | 27 Apr 2025 | 61 days |
| OPW24/0295 | Approved | 18 Sept 2024 | 59 days |
About this data
These statistics summarise decided development applications recorded against Glass House Mountains properties in Sunshine Coast 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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