121 Serangoon North Avenue 1
In Serangoon · Singapore 550121
Median price per sqftlast 12 months
$494$562$584$606$642$724
- 121 Serangoon North Avenue 1
- 1km radius
- MRT/LRT, in its line colour
- School
- Supermarket
- Hawker centre
- No sale in that time
111 HDB blocks · tap one for its page
Supermarkets © OpenStreetMap contributorsAbout this block
- Completed
- 1984
- 42 years ago
- Lease left
- 58 years
- 99-year lease from 1985
- Height
- 13 storeys
- Flats
- 96
- 18 4-room · 78 5-room
- Postal code
- 550121
Statistics
Price
- Average
- $710,750
- Median
- $724,000
- Median per sqft
- $547 psf
- Highest sale
- $735,000
- 123 sqm 5 Room · Dec 2024
- Lowest sale
- $660,000
- 121 sqm 5 Room · Mar 2025
Compared to
- Vs street average
- +22%
- Vs town average
- +0%
- Vs citywide average
- +8%
Activity
- Transactions
- 4
- Avg per month
- 0.2
By flat type
- 5 Room
- $710,750
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
$685K – $741K$685,000 – $741,000
Midpoint $700,000 · about $537 psf for 121 sqm
Where comparable sales landed, at your flat's size
Good confidence · 10 sales
5 same street · 5 within 500m · 5-room flats, past 12 months
Show the sales it's based on
| Where | Month | Block | Storey | Area (sqm) | Lease left | Price | Per sqft |
|---|---|---|---|---|---|---|---|
| Same street | Sept 2026 | 116 Serangoon North Avenue 1 | 04 to 06 | 121 | 59 years | $730,888 | $561 psf |
| Same street | Aug 2026 | 114 Serangoon North Avenue 1 | 04 to 06 | 121 | 59 years | $700,000 | $537 psf |
| Same street | Aug 2026 | 114 Serangoon North Avenue 1 | 01 to 03 | 121 | 59 years | $685,000 | $526 psf |
| Same street | Jan 2026 | 117 Serangoon North Avenue 1 | 04 to 06 | 121 | 58 years | $685,000 | $526 psf |
| Same street | Nov 2025 | 117 Serangoon North Avenue 1 | 10 to 12 | 123 | 59 years | $708,888 | $535 psf |
| Within 500m | Jul 2026 | 141 Serangoon North Avenue 2 | 07 to 09 | 122 | 62 years | $800,000 | $609 psf |
| Within 500m | Jul 2026 | 135 Serangoon North Avenue 2 | 04 to 06 | 125 | 62 years | $765,000 | $569 psf |
| Within 500m | Jun 2026 | 135 Serangoon North Avenue 2 | 07 to 09 | 121 | 62 years | $789,000 | $606 psf |
| Within 500m | Mar 2026 | 135 Serangoon North Avenue 2 | 07 to 09 | 121 | 62 years | $770,000 | $591 psf |
| Within 500m | Oct 2025 | 135 Serangoon North Avenue 2 | 01 to 03 | 121 | 63 years | $740,000 | $568 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 $700,000 in the Sell calculator →Price trend
121 Serangoon North Avenue 1 has 23 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
125 sqm
The largest unit sold here was a 125 sqm 5 Room, for $725,000 in Jan 2025.
Smallest unit sold
121 sqm
The smallest unit sold here was a 121 sqm 5 Room, for $555,000 in Aug 2022.
Longest lease left
62 years
The longest remaining lease sold here was 62 years, on a 121 sqm 5 Room.
Shortest lease left
59 years
The shortest remaining lease sold here was 59 years, on a 125 sqm 5 Room.
Highest floor sold
Storeys 10 to 12
The highest-floor sale here was on storeys 10 to 12, a 121 sqm 5 Room.
Lowest floor sold
Storeys 01 to 03
The lowest-floor sale here was on storeys 01 to 03, a 121 sqm 5 Room.
Priciest 5 room ever
$1,728,000
The most expensive 5 room ever sold citywide went for $1,728,000 on Henderson Rd in Bukit Merah.
Percentiles
6 factsWhere sales here rank against the rest of Singapore.
Price vs 5 room flats citywide
65th percentile
A 123 sqm 5 room sale here ranks in the 65th percentile among all 5 room flats sold citywide over the same period.
Price vs similar-sized flats
74th percentile
For its 123 sqm, this sale is in the 74th percentile among similarly-sized flats sold across Singapore over the same period.
Price vs 5 room flats in Serangoon
44th percentile
Within Serangoon alone, that sale is in the 44th percentile for a 5 room.
Remaining lease, citywide
25th percentile
This flat's remaining lease (60 years) ranks in the 25th percentile among all flats sold citywide over the same period.
Floor height, citywide
80th percentile
This flat's floor (storeys 10 to 12) ranks in the 80th percentile among all flats sold citywide over the same period.
Age among Serangoon's blocks
65th percentile
Completed in 1984, this block is older than 65% of HDB blocks in Serangoon.
Comparisons
4 factsHow prices stack up against the town and the city.
vs the Serangoon average
+3%
Prices here run 3% above the Serangoon average.
vs the citywide average
+11%
Citywide, that's 11% above the national average.
Towns by average price
#9 of 26
Serangoon ranks 9th out of 26 towns by average resale price.
Towns by 2-year price growth
#7 of 26
Serangoon ranks 7th out of 26 towns for price growth over the past 2 years (+13%).
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
3 factsWhich way prices and sales are heading.
Busiest month: Dec 2024
2 sales
The busiest month here was Dec 2024, with 2 transactions.
Since the last resale
19 mo
It's been about 19 months since the last resale here.
Busiest month: Dec 2024
2 sales
The busiest month ever recorded here was Dec 2024, with 2 sales; the quietest active month saw just 1, in Jan 2012.
Transactions
| Mar 2025 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 01 to 03 | 121 | 59 years | $660,000 | $507 psf |
| Jan 2025 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 07 to 09 | 125 | 59 years | $725,000 | $539 psf |
| Dec 2024 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 10 to 12 | 123 | 60 years | $735,000 | $555 psf |
| Dec 2024 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 10 to 12 | 121 | 60 years | $723,000 | $555 psf |
| May 2023 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 07 to 09 | 123 | 61 years | $648,000 | $489 psf |
| Feb 2023 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 10 to 12 | 121 | 61 years | $650,000 | $499 psf |
| Aug 2022 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 04 to 06 | 121 | 62 years | $555,000 | $426 psf |
| Jun 2021 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 07 to 09 | 121 | 63 years | $528,000 | $405 psf |
| Jul 2020 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 10 to 12 | 121 | 64 years | $490,000 | $376 psf |
| Dec 2019 | Serangoon | 121 | Serangoon North Avenue 1 | 5 Room | Improved | 07 to 09 | 125 | 65 years | $483,000 | $359 psf |
Showing 1–10 of 23
Blocks on Serangoon North Avenue 1
Every block on the street, with its number of recorded HDB resales.
- Block 101 44
- Block 102 8
- Block 103 40
- Block 104 12
- Block 105 48
- Block 106 35
- Block 107 46
- Block 108 56
- Block 109 34
- Block 110 10
- Block 111 51
- Block 112 11
- Block 113 21
- Block 114 34
- Block 115 25
- Block 116 30
- Block 117 28
- Block 118 27
- Block 119 5
- Block 120 19
- Block 121 23
- Block 122 11
- Block 123 59
- Block 124 28
- Block 125 39
- Block 126 35
- Block 127 20
- Block 142 21
- Block 143 34
- Block 144 29
- Block 145 22
- Block 146 27
- Block 147 64
- Block 148 14
- Block 152 31
- Block 153 38
- Block 154 43