HDB block scorecard · rubric v0.3
Blk 407 Sin Ming Ave
HDB block scorecard · Bishan · 29 resales 2017-01–2026-05
Carried by location & connectivity (5.0/5); capped by price vs town peers (2.0/5).
Best for: Short-horizon buyers pricing the lease decay in, eyes open.
the headline rubric: price, trend, liquidity, location, lease
80th pctile in Bishan · 92th pctile of all 8842 blocks islandwide
+6.6%/yr realized · 6 resales/36mo · ~59yr lease left
The rubric
How we rate →Price vs Town Peers
20%computed2.0/5783
$783 median psf = 80th pctile of 196 rated Bishan blocks (cheaper=better)
Realized Price Trend
20%computed3.0/5+6.6%/yr
block trend +6.6%/yr = 56th pctile of 8622 blocks (first-12mo vs last-12mo, annualized)
Transaction Liquidity
15%computed2.0/56 resales / 36mo
3yr resale volume; block med ~7 — single-block markets are thin
Location & Connectivity
15%computed5.0/51.4min walk to Bright Hill
1.4min to BRIGHT HILL MRT STATION Exit 2 (straight-line x1.35 detour @80m/min), 7 bus stops <=400m
Lease Runway
15%computed2.0/5~59yr left
~59yr remaining (99yr grant); block universe med ~66yr; CPF/loan limits tighten as runway shrinks
Flat Mix
5%partial2.5/534% 4RM+, avg 72sqm
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: Location & Connectivity · 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
- $783 psf
- Resales (36 mo)
- 6
- Town
- Bishan
- Remaining lease
- ~59yr
- Avg flat size
- 72 sqm
- Nearest MRT
- Bright Hill · 1.4 min walk
- Data through
- May 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