HDB town scorecard · rubric v0.2
Choa Chu Kang
HDB Town / Resale scorecard
Carried by step-up gap to private (4.0/5); capped by upgrader equity unlock (2.0/5).
Best for: Upgraders timing an MOP exit in a liquid, momentum town.
the headline rubric: trend, equity, liquidity, supply, step-up
$533 psf — 3th pctile of 26 towns · private next door 2.67x pricier
11.1% 2yr momentum · 1033 txns/12mo · ~72yr median lease left
The rubric
How we rate →Price Trend & Momentum
25%computed3.0/511.1% 2yr psf growth ($479->$533)
2yr town avg-$psf growth; anchor p25=9.8 med=12.3 p75=13.7
Upgrader Equity Unlock
20%computed2.0/5$558,186 avg 4RM
avg 4-room resale price (equity-to-port proxy)
Transaction Liquidity
15%computed3.0/51033 txns / 12mo
trailing-12mo resale volume; med across towns ~929
Future Supply Pressure
15%manual · awaiting data3.0/5Awaiting data — neutral placeholder. needs HDB BTO/SBF pipeline scrape (DATA_SOURCES Tier1)
Step-Up Gap to Private
15%computed4.0/52.67x ($1421 D23 private resale / $533 HDB)
private/HDB psf multiple; lower=easier step-up
Sentiment Signal
10%manual · awaiting data3.0/5Awaiting data — neutral placeholder. manual aggregated overlay (Tier3 fragile layer)
Strongest: Step-Up Gap to Private · Weakest: Upgrader Equity Unlock. Each category is scored 0–5 against public anchors, multiplied by its weight and scaled to 100.
Key facts
- Resale transactions (12 mo)
- 1,033
- Avg resale price
- $611,406
- Avg resale price psf
- $533 psf
- Data through
- Jun 2026
Data coverage
75%75% of this rating’s weight is measured from data. The rest is a clearly-labelled placeholder or estimate — never silently blended in.
- computed
- — fully measured from source data (full coverage credit)
- partial
- — real but proxy signal (half credit)
- inferred
- — estimate, dampened toward neutral (no credit)
- manual
- — neutral 3.0 placeholder awaiting data (no credit)
Map
Pins: rated private launches in this town’s comparison districts — tap one to open its scorecard.
Price history
median $psf by monthMedian resale $psf per month across the town, from HDB resale registrations. Thin bars show monthly transaction counts.
- median resale $psf
- transactions / month
- trend extrapolation — not a forecast