{
  "pack": "housing_residential",
  "title": "Housing & residential property prices SEA",
  "as_of": "2026-09-29",
  "timezone": "Europe/London",
  "linear_issue": "MED2-76",
  "coverage_iso3": ["BRN","KHM","IDN","LAO","MYS","MMR","PHL","SGP","THA","VNM","TLS"],
  "bis_spp_coverage": ["IDN","MYS","PHL","SGP","THA"],
  "sources": [
    {
      "id": "bis_spp",
      "name": "BIS Selected residential property prices (WS_SPP)",
      "api": "https://stats.bis.org/api/v1/data/WS_SPP/Q.{cc}.R|N.628|771",
      "urls": [
        "https://data.bis.org/topics/RPP",
        "https://www.bis.org/statistics/pp_residential_2505.htm"
      ],
      "pull_date": "2026-09-29",
      "used_for": ["bis_real_rppi_index_2010","bis_nom_rppi_index_2010","bis_real_rppi_yoy_pct","bis_nom_rppi_yoy_pct","bis_real_rppi_yoy_pct_q4_2024","timeseries"],
      "notes": "Selected series closest to nationwide coverage. Real = CPI-deflated. Index unit 628 (2010=100); YoY unit 771. SEA coverage ID/MY/PH/SG/TH."
    },
    {
      "id": "bis_q4_2024_commentary",
      "name": "BIS residential property price statistics, Q4 2024 (28 May 2025)",
      "url": "https://www.bis.org/statistics/pp_residential_2505.htm",
      "pull_date": "2026-09-29",
      "used_for": ["context_emerging_asia_aggregate"],
      "notes": "Emerging Asia real aggregate −5.7% yoy Q4 2024; PH cited as positive exception. Country YoY numbers in pack come from WS_SPP API, not graph rounding."
    },
    {
      "id": "bdcb_rppi",
      "name": "Brunei Darussalam Central Bank Residential Property Price Index",
      "url": "https://www.bdcb.gov.bn/publications/details?id=01jra986gh5aght5p5efbh1f95",
      "pull_date": "2026-09-29",
      "used_for": ["bdcb_rppi_index_q12015","bdcb_rppi_yoy_pct"],
      "notes": "Q4 2024 index 89.5 (Q1 2015=100), YoY −2.5%. Companion only — not BIS-comparable."
    },
    {
      "id": "demographia_2026",
      "name": "Demographia International Housing Affordability 2026 Edition",
      "url": "http://www.demographia.com/dhi.pdf",
      "pull_date": "2026-09-29",
      "used_for": ["demographia_hdb_median_multiple"],
      "notes": "Singapore HDB resale median multiple 4.3 (Q3 2025). Segment only; dual-story vs BIS RPPI."
    }
  ],
  "rules": [
    "No invented numbers; empty PIR for all SEA-11",
    "Numbeo out of scope",
    "Dual story: RPPI/YoY ≠ price-to-income",
    "Do not splice BDCB 2015=100 into BIS 2010=100 axis"
  ],
  "companions": ["living_costs_wages", "credit_banking", "demographics_urbanization"]
}