Transactions: URA caveats and HDB resale records. Not a valuation. School boundaries: Ministry of Education via OneMap. URA Master Plan land use via data.gov.sg — Singapore Open Data Licence. Source: Ministry of Education, Singapore — 2025 P1 Registration Exercise. © Ministry of Education, Government of Singapore. MOE P1 past vacancies & balloting data. Transit schedules © LTA; © OpenStreetMap contributors. Landed sales: government-recorded caveats. Street activity: planning permission records. Rebuild estimates: BCA / QS construction-cost handbook, 3Q2025 (indicative S$/m² CFA). Competing supply counts registered addresses eligible by year-end from their latest recorded sale, not listings or guaranteed sellers; addresses without recorded purchases are excluded. See methodology for full source detail. Unit Mix shares are withheld when source counts disagree; * marks a thin rental sample and † an unusually high yield.