HDB block scorecard · rubric v0.3
Blk 470B Upp Serangoon Cres
HDB block scorecard · Hougang · 71 resales 2019-05–2026-06
Carried by transaction liquidity (5.0/5); capped by price vs town peers (1.0/5).
Best for: Buyers backing a block that has out-appreciated its town.
the headline rubric: price, trend, liquidity, location, lease
92th pctile in Hougang · 85th pctile of all 8842 blocks islandwide
+7.8%/yr realized · 21 resales/36mo · ~88yr lease left
The rubric
How we rate →Price vs Town Peers
20%computed1.0/5709
$709 median psf = 92th pctile of 500 rated Hougang blocks (cheaper=better)
Realized Price Trend
20%computed4.0/5+7.8%/yr
block trend +7.8%/yr = 78th pctile of 8622 blocks (first-12mo vs last-12mo, annualized)
Transaction Liquidity
15%computed5.0/521 resales / 36mo
3yr resale volume; block med ~7 — single-block markets are thin
Location & Connectivity
15%computed3.5/59.3min walk to Kangkar
9.3min to KANGKAR LRT STATION Exit B (straight-line x1.35 detour @80m/min), 9 bus stops <=400m
Lease Runway
15%computed5.0/5~88yr left
~88yr remaining (99yr grant); block universe med ~66yr; CPF/loan limits tighten as runway shrinks
Flat Mix
5%partial3.5/570% 4RM+, avg 89sqm
share of 4-room-and-larger resales (family stock holds demand) — proxy
Sentiment Signal
10%manual · awaiting data3.0/5Awaiting data — neutral placeholder. manual aggregated overlay (Tier3 fragile layer)
Strongest: Transaction Liquidity · Weakest: Price vs Town Peers. Each category is scored 0–5 against public anchors, multiplied by its weight and scaled to 100.
Key facts
- Median resale psf
- $709 psf
- Resales (36 mo)
- 21
- Town
- Hougang
- Remaining lease
- ~88yr
- Avg flat size
- 89 sqm
- Nearest MRT
- Kangkar · 9.3 min walk
- Data through
- Jun 2026
Data coverage
88%88% 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
Price history
median $psf by monthMedian resale $psf per month for this single block, from HDB resale registrations. A block trades thinly, so the series is sparse — the line breaks across months with no recorded resale rather than bridging the gap.
- median resale $psf
- transactions / month
- trend extrapolation — not a forecast