HOROI

HDB block scorecard · rubric v0.3

Blk 302 Serangoon Ave 2

HDB block scorecard · Serangoon · 35 resales 2017-04–2025-12

C+
56/100
88% measured

Carried by location & connectivity (4.0/5); capped by price vs town peers (2.0/5).

Best for: Short-horizon buyers pricing the lease decay in, eyes open.

Overall56C+

the headline rubric: price, trend, liquidity, location, lease

Value40D+

70th pctile in Serangoon · 84th pctile of all 8842 blocks islandwide

Investment55C+

+6.0%/yr realized · 10 resales/36mo · ~58yr lease left

The rubric

How we rate →

  • Price vs Town Peers

    20%
    computed
    2.0/5

    697

    $697 median psf = 70th pctile of 210 rated Serangoon blocks (cheaper=better)

  • Realized Price Trend

    20%
    computed
    3.0/5

    +6.0%/yr

    block trend +6.0%/yr = 45th pctile of 8622 blocks (first-12mo vs last-12mo, annualized)

  • Transaction Liquidity

    15%
    computed
    3.0/5

    10 resales / 36mo

    3yr resale volume; block med ~7 — single-block markets are thin

  • Location & Connectivity

    15%
    computed
    4.0/5

    5.2min walk to Lorong Chuan

    5.2min to LORONG CHUAN MRT STATION Exit A (straight-line x1.35 detour @80m/min), 6 bus stops <=400m

  • Lease Runway

    15%
    computed
    2.0/5

    ~58yr left

    ~58yr remaining (99yr grant); block universe med ~66yr; CPF/loan limits tighten as runway shrinks

  • Flat Mix

    5%
    partial
    2.5/5

    0% 4RM+, avg 64sqm

    share of 4-room-and-larger resales (family stock holds demand) — proxy

  • Sentiment Signal

    10%
    manual · awaiting data
    3.0/5

    Awaiting 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
$697 psf
Resales (36 mo)
10
Town
Serangoon
Remaining lease
~58yr
Avg flat size
64 sqm
Nearest MRT
Lorong Chuan · 5.2 min walk
Data through
Dec 2025

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 month

Median 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