HDB block scorecard · rubric v0.3
Blk 17 Joo Seng Rd
HDB block scorecard · Toa Payoh · 30 resales 2017-11–2026-02
Carried by price vs town peers (4.0/5); capped by realized price trend (2.0/5).
Best for: Short-horizon buyers pricing the lease decay in, eyes open.
the headline rubric: price, trend, liquidity, location, lease
25th pctile in Toa Payoh · 34th pctile of all 8842 blocks islandwide
+4.9%/yr realized · 9 resales/36mo · ~56yr lease left
The rubric
How we rate →Price vs Town Peers
20%computed4.0/5541
$541 median psf = 25th pctile of 262 rated Toa Payoh blocks (cheaper=better)
Realized Price Trend
20%computed2.0/5+4.9%/yr
block trend +4.9%/yr = 27th pctile of 8622 blocks (first-12mo vs last-12mo, annualized)
Transaction Liquidity
15%computed3.0/59 resales / 36mo
3yr resale volume; block med ~7 — single-block markets are thin
Location & Connectivity
15%computed2.0/511.6min walk to Bartley
11.6min to BARTLEY MRT STATION Exit A (straight-line x1.35 detour @80m/min), 2 bus stops <=400m
Lease Runway
15%computed2.0/5~56yr left
~56yr remaining (99yr grant); block universe med ~66yr; CPF/loan limits tighten as runway shrinks
Flat Mix
5%partial3.5/5100% 4RM+, avg 104sqm
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: Price vs Town Peers · Weakest: Realized Price Trend. Each category is scored 0–5 against public anchors, multiplied by its weight and scaled to 100.
Key facts
- Median resale psf
- $541 psf
- Resales (36 mo)
- 9
- Town
- Toa Payoh
- Remaining lease
- ~56yr
- Avg flat size
- 104 sqm
- Nearest MRT
- Bartley · 11.6 min walk
- Data through
- Feb 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