HDB block scorecard · rubric v0.3
Blk 323D Sumang Walk
HDB block scorecard · Punggol · 25 resales 2023-11–2026-01
Carried by transaction liquidity (5.0/5); capped by price vs town peers (1.0/5).
Best for: Own-stay buyers choosing the street, not the spreadsheet.
the headline rubric: price, trend, liquidity, location, lease
91th pctile in Punggol · 89th pctile of all 8842 blocks islandwide
trend n/a · 25 resales/36mo · ~93yr lease left
The rubric
How we rate →Price vs Town Peers
20%computed1.0/5744
$744 median psf = 91th pctile of 473 rated Punggol blocks (cheaper=better)
Realized Price Trend
20%manual · awaiting data3.0/5Awaiting data — neutral placeholder. observed window 26mo < 36mo — trend not yet computable
Transaction Liquidity
15%computed5.0/525 resales / 36mo
3yr resale volume; block med ~7 — single-block markets are thin
Location & Connectivity
15%computed4.0/55.0min walk to Nibong
5.0min to NIBONG LRT STATION Exit A (straight-line x1.35 detour @80m/min), 6 bus stops <=400m
Lease Runway
15%computed5.0/5~93yr left
~93yr remaining (99yr grant); block universe med ~66yr; CPF/loan limits tighten as runway shrinks
Flat Mix
5%partial3.5/5100% 4RM+, avg 107sqm
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
- $744 psf
- Resales (36 mo)
- 25
- Town
- Punggol
- Remaining lease
- ~93yr
- Avg flat size
- 107 sqm
- Nearest MRT
- Nibong · 5.0 min walk
- Data through
- Jan 2026
Data coverage
68%68% 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