423 Clementi Avenue 1
In Clementi · Singapore 120423
Median price per sqftlast 12 months
$468$556$603$631$901$1,232
Too few sales in 6 months to colour each block.
- 423 Clementi Avenue 1
- 1km radius
- MRT/LRT, in its line colour
- School
- Supermarket
- Hawker centre
- No sale in that time
106 HDB blocks · tap one for its page
Supermarkets © OpenStreetMap contributorsAbout this block
- Completed
- 2011
- 15 years ago
- Lease left
- 86 years
- 99-year lease from 2013
- Height
- 28 storeys
- Flats
- 204
- 104 2-room · 50 3-room · 50 4-room
- Postal code
- 120423
Statistics
Price
- Average
- $836,000
- Median
- $836,000
- Median per sqft
- $891 psf
- Highest sale
- $962,000
- 99 sqm 4 Room · Jul 2026
- Lowest sale
- $710,000
- 75 sqm 3 Room · Jul 2026
Compared to
- Vs street average
- -10%
- Vs town average
- +15%
- Vs citywide average
- +25%
Activity
- Transactions
- 2
- Avg per month
- 0.3
By flat type
- 4 Room
- $962,000
- 3 Room
- $710,000
Nearby
What's a flat here worth?
An estimate from recent sales of the same flat type in the block, along the street and within 500m.
Likely sale price
$417K – $475K$417,000 – $475,000
Midpoint $456,000 · about $864 psf for 49 sqm
Where comparable sales landed, at your flat's size
Fair confidence · 8 sales
3 same block · 5 same street · 2-room flats, past 24 months
Show the sales it's based on
| Where | Month | Block | Storey | Area (sqm) | Lease left | Price | Per sqft |
|---|---|---|---|---|---|---|---|
| Same block | Mar 2026 | 423 Clementi Avenue 1 | 04 to 06 | 49 | 86 years | $458,000 | $868 psf |
| Same block | Jul 2025 | 423 Clementi Avenue 1 | 07 to 09 | 49 | 87 years | $423,000 | $802 psf |
| Same block | Jul 2025 | 423 Clementi Avenue 1 | 25 to 27 | 49 | 87 years | $475,000 | $901 psf |
| Same street | Jul 2026 | 418 Clementi Avenue 1 | 04 to 06 | 50 | 86 years | $425,000 | $790 psf |
| Same street | May 2026 | 418 Clementi Avenue 1 | 13 to 15 | 49 | 86 years | $415,000 | $787 psf |
| Same street | Sept 2025 | 418 Clementi Avenue 1 | 25 to 27 | 49 | 87 years | $478,000 | $906 psf |
| Same street | Aug 2025 | 418 Clementi Avenue 1 | 01 to 03 | 50 | 87 years | $400,000 | $743 psf |
| Same street | May 2025 | 418 Clementi Avenue 1 | 19 to 21 | 50 | 87 years | $465,000 | $864 psf |
The middle half of these sales' price per sqft, at your flat's size: blocks of a similar age come first, and sales in your own block count most. An estimate from public sale records, not a valuation: condition, renovation and the exact floor all move the real price.
Use $456,000 in the Sell calculator →Price trend
423 Clementi Avenue 1 has 53 recorded sales — never more than a couple in any one month, which is too few to chart a monthly median against. The sales themselves are listed below.
Fun facts
Records, rankings and quirks from every sale recorded here.
Records
7 factsThe biggest, smallest, highest and priciest sales on record.
Largest unit sold
100 sqm
The largest unit sold here was a 100 sqm 4 Room, for $760,000 in Oct 2021.
Smallest unit sold
49 sqm
The smallest unit sold here was a 49 sqm 2 Room, for $346,000 in Jan 2022.
Longest lease left
91 years
The longest remaining lease sold here was 91 years, on a 100 sqm 4 Room.
Shortest lease left
86 years
The shortest remaining lease sold here was 86 years, on a 49 sqm 2 Room.
Highest floor sold
Storeys 25 to 27
The highest-floor sale here was on storeys 25 to 27, a 49 sqm 2 Room.
Lowest floor sold
Storeys 04 to 06
The lowest-floor sale here was on storeys 04 to 06, a 49 sqm 2 Room.
Priciest 4 room ever
$1,588,000
The most expensive 4 room ever sold citywide went for $1,588,000 on Cantonment Rd in Central Area.
Percentiles
6 factsWhere sales here rank against the rest of Singapore.
Price vs 4 room flats citywide
96th percentile
A 100 sqm 4 room sale here ranks in the 96th percentile among all 4 room flats sold citywide over the same period.
Price vs similar-sized flats
98th percentile
For its 100 sqm, this sale is in the 98th percentile among similarly-sized flats sold across Singapore over the same period.
Price vs 4 room flats in Clementi
87th percentile
Within Clementi alone, that sale is in the 87th percentile for a 4 room.
Remaining lease, citywide
71st percentile
This flat's remaining lease (87 years) ranks in the 71st percentile among all flats sold citywide over the same period.
Floor height, citywide
94th percentile
This flat's floor (storeys 16 to 18) ranks in the 94th percentile among all flats sold citywide over the same period.
Age among Clementi's blocks
15th percentile
Completed in 2011, this block is newer than 82% of HDB blocks in Clementi.
Comparisons
4 factsHow prices stack up against the town and the city.
vs the Clementi average
-2%
Prices here run 2% below the Clementi average.
vs the citywide average
+3%
Citywide, that's 3% above the national average.
Towns by average price
#11 of 26
Clementi ranks 11th out of 26 towns by average resale price.
Towns by 2-year price growth
#5 of 26
Clementi ranks 5th out of 26 towns for price growth over the past 2 years (+16%).
Nearby
1 factHow far it is to trains, schools and the city centre.
To Raffles Place
9.5km
This location is about 9.5km from the city center (Raffles Place).
Trends
5 factsWhich way prices and sales are heading.
Price vs a year ago
+85%
Prices here are up 85% compared to a year ago.
Busiest month: Jan 2022
2 sales
The busiest month here was Jan 2022, with 2 transactions.
Sales volume vs last quarter
-100%
Transaction volume here is down 100% versus the previous quarter.
Since the last resale
3 mo
It's been about 3 months since the last resale here.
Busiest month: Nov 2020
4 sales
The busiest month ever recorded here was Nov 2020, with 4 sales; the quietest active month saw just 1, in Dec 2016.
Transactions
| Jul 2026 | Clementi | 423 | Clementi Avenue 1 | 4 Room | Model A | 10 to 12 | 99 | 86 years | $962,000 | $903 psf |
| Jul 2026 | Clementi | 423 | Clementi Avenue 1 | 3 Room | Model A | 04 to 06 | 75 | 86 years | $710,000 | $879 psf |
| Mar 2026 | Clementi | 423 | Clementi Avenue 1 | 2 Room | Model A | 04 to 06 | 49 | 86 years | $458,000 | $868 psf |
| Jul 2025 | Clementi | 423 | Clementi Avenue 1 | 2 Room | Model A | 25 to 27 | 49 | 87 years | $475,000 | $901 psf |
| Jul 2025 | Clementi | 423 | Clementi Avenue 1 | 2 Room | Model A | 07 to 09 | 49 | 87 years | $423,000 | $802 psf |
| Feb 2025 | Clementi | 423 | Clementi Avenue 1 | 4 Room | Model A | 16 to 18 | 100 | 87 years | $979,000 | $910 psf |
| Jan 2025 | Clementi | 423 | Clementi Avenue 1 | 4 Room | Model A | 10 to 12 | 99 | 87 years | $931,888 | $874 psf |
| Sept 2024 | Clementi | 423 | Clementi Avenue 1 | 3 Room | Model A | 07 to 09 | 70 | 88 years | $680,000 | $902 psf |
| Jul 2024 | Clementi | 423 | Clementi Avenue 1 | 2 Room | Model A | 25 to 27 | 49 | 88 years | $422,000 | $800 psf |
| Jun 2024 | Clementi | 423 | Clementi Avenue 1 | 2 Room | Model A | 22 to 24 | 49 | 88 years | $475,000 | $901 psf |
Showing 1–10 of 53