--- title: "APN Research Brief:  Validating Brisbane Flood Map Update as a ‘Brown Discount’ Mechanism (Codex 24500)" url: https://australianproperty.network/apn-research/apn-research-brief-validating-brisbane-flood-map-update-as-a-brown-discount-mechanism-codex-24500/ date: 2025-11-09 modified: 2026-08-29 lang: en author: "APN Academy" description: "This analysis has been consolidated into a companion brief, \"The Brown Discount,\" which covers the same research in full." word_count: 79 --- # APN Research Brief:  Validating Brisbane Flood Map Update as a ‘Brown Discount’ Mechanism (Codex 24500) APN Research ### This analysis has been consolidated This page's content substantially duplicated another APN Research brief covering the same Brisbane flood-map "Brown Discount" analysis. To avoid publishing the same research twice, this page has been retired in favour of the companion piece. [Read the current analysis: The 'Brown Discount'](https://australianproperty.network/apn-research/apn-research-brief-the-brown-discount-unpacking-the-19-billion-property-devaluation-triggered-by-brisbanes-2025-flood-maps/) The surviving brief, **"The 'Brown Discount': Unpacking the $19 Billion Property Devaluation Triggered by Brisbane's 2025 Flood Maps,"** covers the same flood-map update, affected-property data, and insurability/devaluation findings in full.