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Tampines · HDB · S523230

Blk 230J Tampines St 21

Completed 1993 · 12 storeys · 55 flats · 66 years 03 months remaining · 12 resale transactions on record · median household income in Tampines: $9,500/mo

executive
$910,000
1 sold · $910,000$910,000
$560 psf
Vs Tampines
-9.4%
block PSF vs town median · last sale Apr 2026
3D →
Tampines St 21, Tampines · 1 km P1 ring · mrt · school · food · park · mall · health · zones: parks, commercial, reserve - hover
Flat mix · 55 homes
Exec
55 · 100%

12 storeys · completed 1993

What the record shows

The last seller’s gain

A executive here sold for $910,000 in Apr 2026. The same flat type in this block averaged $704,429 in 2020 - a gain of $205,571 - about $94 a day while the owner slept.

The lease cliff

This block crosses 60 years remaining in 2032 - the line where CPF usage rules begin tightening for buyers. In Tampines over the last two years, flats below that line sold at a median 12% below their younger neighbours' PSF (1,235 sales).

The supply wave

Across Tampines, roughly 1,481 flats in newly-completed blocks reach the end of MOP between 2026 and 2028 - new sellers entering this market.

Price trend

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

$369$504$639201720182020202220242026

Every recent sale HDB official record, latest 12

MonthTypeStoreyArea (sqm)PricePSFLease left
Apr 2026EXECUTIVE01 to 03151$910,000$56066y 03m
Jan 2022EXECUTIVE07 to 09155$740,000$44470y 07m
Jan 2022EXECUTIVE04 to 06149$740,000$46170y 07m
Sept 2021EXECUTIVE07 to 09150$730,000$45270y 11m
Aug 2021EXECUTIVE01 to 03150$658,000$40871y
Jul 2021EXECUTIVE04 to 06155$700,000$42071y 01m
Dec 2020EXECUTIVE04 to 06149$680,000$42471y 08m
Sept 2020EXECUTIVE10 to 12150$683,000$42371y 11m
Mar 2019EXECUTIVE07 to 09155$650,000$39073y 04m
Sept 2017EXECUTIVE10 to 12149$645,000$40274y 10m
Aug 2017EXECUTIVE04 to 06155$635,000$38174y 11m
May 2017EXECUTIVE01 to 03149$545,000$34075y 02m

Who lives in Tampines

Census of Population 2020 · planning-area aggregates · SingStat via data.gov.sg

Residents
259,900
Median age
41 yrs
48% under 40 · getting older
Children 0–9
23,220
▼ 1% since 2015 · future P1 demand
Household size
3.3 avg
Homes
87% HDB
11% condo · 2% landed
Degree holders
28%
residents 15+
Commute
59% transit
18% drive
45 min+ to work
28%

The neighbourhood

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

MRT
Tampines East DT33 · 615m - weekday mornings, riders head to Expo, Telok Ayer, Downtown (LTA)
P1 ring
Gongshang Primary School 98m · Phase 2C 2.7× balloted · Commit Learning Schoolhouse @ Gongshang Primary School 98m · Tampines North Primary School 467m · Phase 2C 0.3× · Big Heart Student Care (Tampines North Primary School) 467m - inside the 1km priority ring; Phase 2C demand is last year’s applicants ÷ vacancies (MOE)
Secondary
Pasir Ris Secondary School · 242m
Food
Hawker Centre @ Our Tampines Hub · 1.1km
Green
Sun Plaza Pk · 725m - 2 parks within 1km
Mall
Tampines Mall · 686m
Health
Singhealth Polyclinics (Tampines Polyclinic) (polyclinic) · 420m

The neighbourhood, photographed

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

Tampines Station Downtown Line platform 15 05 2024(1)LN9267 · CC BY-SA 4.0
9083 SBS Transit Downtown Line at Tampines Station Downtown Line platform 15 05 2024(3)LN9267 · 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

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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.