Jalan Mata Ayer, Mandai Estate, North Region, Singapore
$6,600,000
















































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Total Transactions
73
Average Price
S1.1M
Total Value
S80.3M
Calculating fair value from URA transaction data…
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Automated Valuation based on 152 HDB resale transactions (data.gov.sg) · 3 outliers removed (IQR)
Fair Value
S$3.87M
S$595 psf
Asking Price
S$6.60M
S$1,016 psf
vs Market
+70.7%
vs Last Done
+65.2%
Tenure
75 yrs
99-year Leasehold · Balance remaining
Confidence
High
152 comps
Nearest MRT
Khatib
1312m away
URA PSF Trendline vs Listing Price
Hedonic Adjustment Breakdown
Base URA PSF
152 comparable transactions
S$567
Floor Premium
0.5% per floor vs median
+0.0%
Tenure Decay
Bala's curve (99yr leasehold)
×1.050
MRT Proximity
Within 500m / 1km
0%
AI Condition Premium
HELIOS scan of listing description
0%
Adjusted Fair Value PSF
S$595
Recent Comparable Transactions
10 shown · 152 total| Date | Block / Street | Area | Price | PSF | Tenure |
|---|---|---|---|---|---|
Last DoneApr 2026 | Blk 827 YISHUN ST 81 Floor 01 TO 03 | 1,561sqft | S$960,000 | ▲S$615 +3.4% vs FV | 99yr from 1987 |
Apr 2026 | Blk 827 YISHUN ST 81 Floor 01 TO 03 | 1,561sqft | S$960,000 | ▲S$615 +3.4% vs FV | 99yr from 1987 |
Mar 2026 | Blk 877 YISHUN ST 81 Floor 10 TO 12 | 1,528sqft | S$980,000 | ▲S$641 +7.7% vs FV | 99yr from 1987 |
Mar 2026 | Blk 836 YISHUN ST 81 Floor 10 TO 12 | 1,572sqft | S$995,000 | ▲S$633 +6.4% vs FV | 99yr from 1988 |
Mar 2026 | Blk 877 YISHUN ST 81 Floor 07 TO 09 | 1,528sqft | S$980,000 | ▲S$641 +7.7% vs FV | 99yr from 1987 |
Oct 2025 | Blk 834 YISHUN ST 81 Floor 07 TO 09 | 1,528sqft | S$990,000 | ▲S$648 +8.9% vs FV | 99yr from 1988 |
Sep 2025 | Blk 877 YISHUN ST 81 Floor 10 TO 12 | 1,561sqft | S$980,000 | ▲S$628 +5.5% vs FV | 99yr from 1987 |
Sep 2025 | Blk 834 YISHUN ST 81 Floor 04 TO 06 | 1,572sqft | S$990,000 | ▲S$630 +5.9% vs FV | 99yr from 1988 |
Jul 2025 | Blk 824 YISHUN ST 81 Floor 04 TO 06 | 1,572sqft | S$980,000 | ▲S$624 +4.9% vs FV | 99yr from 1987 |
May 2025 | Blk 828 YISHUN ST 81 Floor 04 TO 06 | 1,528sqft | S$1,000,000 | ▲S$654 +9.9% vs FV | 99yr from 1988 |
Apr 2025 | Blk 877 YISHUN ST 81 Floor 07 TO 09 | 1,528sqft | S$988,000 | ▲S$646 +8.6% vs FV | 99yr from 1987 |
Blk 827 YISHUN ST 81
Apr 2026 · Floor 01 TO 03
+3.4% vs FV
Blk 827 YISHUN ST 81
Apr 2026 · Floor 01 TO 03
+3.4% vs FV
Blk 877 YISHUN ST 81
Mar 2026 · Floor 10 TO 12
+7.7% vs FV
Blk 836 YISHUN ST 81
Mar 2026 · Floor 10 TO 12
+6.4% vs FV
Blk 877 YISHUN ST 81
Mar 2026 · Floor 07 TO 09
+7.7% vs FV
Blk 834 YISHUN ST 81
Oct 2025 · Floor 07 TO 09
+8.9% vs FV
Blk 877 YISHUN ST 81
Sep 2025 · Floor 10 TO 12
+5.5% vs FV
Blk 834 YISHUN ST 81
Sep 2025 · Floor 04 TO 06
+5.9% vs FV
Blk 824 YISHUN ST 81
Jul 2025 · Floor 04 TO 06
+4.9% vs FV
Blk 828 YISHUN ST 81
May 2025 · Floor 04 TO 06
+9.9% vs FV
Blk 877 YISHUN ST 81
Apr 2025 · Floor 07 TO 09
+8.6% vs FV
HELIOS AI Analysis
The valuation of the HDB Executive unit in Yishun, with a remaining lease of 75 years, stands at an estimated value of $3,867,110, translating to $595 PSF. This valuation is notably positioned above the market average, reflecting a significant 70.7% difference from the baseline. Such a premium suggests a robust demand for larger HDB units in this locality, amplified by the area's evolving infrastructure and community amenities that continue to elevate its desirability among potential homeowners.
The model confidence level for this valuation is categorized as high, bolstered by a comprehensive analysis of 152 recent HDB resale transactions in the vicinity. This dataset not only reinforces the valuation's reliability but also indicates a strong market dynamic, where buyers are willing to invest in properties that promise long-term value, particularly in regions like Yishun that are experiencing growth. As the property market adapts to shifting demographics and lifestyle preferences, this HDB Executive unit represents a prime opportunity for investors seeking both capital appreciation and stable rental yields in Singapore's competitive landscape.
⚠️ Indicative estimate only. Based on URA resale transaction data. Not a formal valuation. Consult a licensed valuer for financial decisions.