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Kallang/Whampoa · HDB · S321101

Blk 101 Jln Rajah

Completed 1980 · 17 storeys · 128 flats · 54 years 01 month remaining · 27 resale transactions on record

4 room
$560,000
8 sold · $500,000$610,000
$553 psf
Vs Kallang/Whampoa
-23.8%
block PSF vs town median · last sale Dec 2025
#118 of 120 Kallang/Whampoa blocks by 3-yr gain (+1%)
3D →
Jln Rajah, Kallang/Whampoa · 1 km P1 ring · mrt · food · park · mall · health · zones: parks, commercial, reserve - hover
Flat mix · 128 homes
4-room
128 · 100%

17 storeys · completed 1980

What the record shows

The last seller’s gain

A 4-room here sold for $610,000 in Dec 2025. The same flat type in this block averaged $477,786 in 2020 - a gain of $132,214 - about $60 a day while the owner slept.

The storey premium

In this block, 4-room flats from floor 12 up have sold for a median of $555,250 - $250 more than floors 5 and below, same flat type, same block.

The lease cliff

This block crossed 60 years remaining in 2019 - the line where CPF usage rules tighten for buyers. In Kallang/Whampoa over the last two years, flats below that line sold at a median 37% below their younger neighbours' PSF (849 sales).

The supply wave

Across Kallang/Whampoa, roughly 411 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.

Rent check

What flats in this block actually rented for in the last 12 months - official approvals, not listings. If you’re quoted much more, you have a number to negotiate with.

TypeBlock medianRangeKallang/Whampoa medianGross yieldRented
4-ROOM$3,150/mo$2,000$3,400$3,800/mo-5

Price trend

median PSF by year · ━ this block · ╌ Kallang/Whampoa · gaps = years with no sales here

$399$579$759201720182020202220242026

The height gradient

every sale in 5 years, plotted by starting floor · 16 sales - do higher floors really fetch more here?

$457$542$62751015storey →

Every recent sale HDB official record, latest 27

MonthTypeStoreyArea (sqm)PricePSFLease left
Dec 20254 ROOM13 to 1594$610,000$60354y 01m
Mar 20254 ROOM04 to 0694$565,000$55854y 10m
Feb 20254 ROOM01 to 0394$500,000$49455y
Jan 20254 ROOM01 to 0394$530,000$52455y
Dec 20244 ROOM04 to 0694$555,000$54955y 02m
Nov 20244 ROOM10 to 1294$608,000$60155y 02m
Oct 20244 ROOM01 to 0394$568,000$56155y 03m
Aug 20244 ROOM10 to 1294$550,000$54455y 05m
Feb 20244 ROOM04 to 0694$555,000$54955y 10m
Oct 20234 ROOM13 to 1594$568,000$56156y 02m
Aug 20234 ROOM07 to 0994$548,888$54256y 06m
Apr 20234 ROOM10 to 1294$540,000$53456y 09m
Mar 20234 ROOM07 to 0994$570,000$56356y 09m
Mar 20224 ROOM01 to 0394$482,000$47657y 09m
Nov 20214 ROOM13 to 1594$542,500$53658y 02m
Oct 20214 ROOM13 to 1594$485,000$47958y 03m
Jan 20214 ROOM01 to 0394$435,000$43059y
Dec 20204 ROOM13 to 1594$510,000$50459y
Oct 20204 ROOM13 to 1594$450,000$44559y 02m
Jul 20204 ROOM13 to 1594$440,000$43559y 05m
Jul 20194 ROOM16 to 1894$480,000$47460y 05m
May 20194 ROOM04 to 0694$421,000$41660y 07m
Apr 20194 ROOM04 to 0694$428,000$42360y 08m
Aug 20184 ROOM01 to 0394$430,000$42561y 05m
Mar 20184 ROOM13 to 1594$470,000$46561y 10m
Nov 20174 ROOM01 to 0394$368,000$36462y 01m
Feb 20174 ROOM07 to 0994$465,000$46062y 10m

The neighbourhood

What sits around this address - distances computed from official OneMap and LTA records.

MRT
Toa Payoh NS19 · 636m - weekday mornings, riders head to Novena, Raffles Place, Newton (LTA)
Secondary
Bendemeer Secondary School · 1.2km
Food
Toa Payoh Lorong 4 Blk 74 (Toa Payoh Vista Market) · 657m - 4 hawker centres within 1km
Green
Toa Payoh Town Pk · 427m - 2 parks within 1km
Mall
Zhongshan Mall · 510m
Health
Ttsh Integrated Care Hub (hospital) · 745m

The neighbourhood, photographed

freely-licensed photographs taken within ~450 m · Wikimedia Commons

Oppostie Toa Payoh Swim Complex bus stop 14 05 2024LN9267 · CC BY-SA 4.0
Toa Payoh Regional Sport Centre under construction 20250712 163134ZKang123 · CC BY-SA 4.0
2023 07 10 L1000712 HDB Hub croppedHydroxpert · CC BY-SA 4.0

Around this block

The nearest blocks by actual distance - street names are postal artifacts, so true neighbours often sit on a different road. Price gaps are median-vs-median on the flat type both blocks actually trade.

Condos nearby

The private premium, measured: the nearest condo trades at 2.3×this block’s PSF.

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Sign in with Google to ask · AI-generated from this page’s data - may be inaccurate. Not financial advice.
Data: HDB resale transactions via data.gov.sg (updated weekly), OneMap. Prices are the official resale record - not estimates, not listings.
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Data: URA, HDB & SingStat (via data.gov.sg), OneMap © SLA, LTA DataMall, MOE - used under the Singapore Open Data Licence.