505 Serangoon North Avenue 4
In Serangoon · Singapore 550505
Median price per sqftlast 12 months
$481$555$575$597$623$782
Too few sales in 3 months to colour each block.
- 505 Serangoon North Avenue 4
- 1km radius
- MRT/LRT, in its line colour
- School
- Supermarket
- Hawker centre
- No sale in that time
245 HDB blocks · tap one for its page
Supermarkets © OpenStreetMap contributorsAbout this block
- Completed
- 1992
- 34 years ago
- Lease left
- 65 years
- 99-year lease from 1992
- Height
- 14 storeys
- Flats
- 76
- All 5-room
- In the block
- Other facilities
- Postal code
- 550505
Statistics
Price
- Average
- $810,000
- Median
- $810,000
- Median per sqft
- $607 psf
- Highest sale
- $810,000
- 124 sqm 5 Room · Aug 2026
- Lowest sale
- $810,000
- 124 sqm 5 Room · Aug 2026
Compared to
- Vs street average
- -7%
- Vs town average
- +7%
- Vs citywide average
- +20%
Activity
- Transactions
- 1
- Avg per month
- 0.3
By flat type
- 5 Room
- $810,000
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
$750K – $850K$750,000 – $850,000
Midpoint $797,000 · about $607 psf for 122 sqm
Where comparable sales landed, at your flat's size
Good confidence · 23 sales
1 same block · 20 same street · 2 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 block | Aug 2026 | 505 Serangoon North Avenue 4 | 10 to 12 | 124 | 65 years | $810,000 | $607 psf |
| Same street | Sept 2026 | 535A Serangoon North Avenue 4 | 01 to 03 | 124 | 65 years | $725,000 | $543 psf |
| Same street | Sept 2026 | 540 Serangoon North Avenue 4 | 07 to 09 | 122 | 65 years | $830,000 | $632 psf |
| Same street | Sept 2026 | 541 Serangoon North Avenue 4 | 07 to 09 | 122 | 65 years | $850,000 | $647 psf |
| Same street | Aug 2026 | 507 Serangoon North Avenue 4 | 07 to 09 | 121 | 70 years | $920,000 | $706 psf |
| Same street | Jul 2026 | 512 Serangoon North Avenue 4 | 07 to 09 | 121 | 70 years | $853,000 | $655 psf |
| Same street | Jul 2026 | 510 Serangoon North Avenue 4 | 01 to 03 | 122 | 70 years | $738,000 | $562 psf |
| Same street | Jun 2026 | 532 Serangoon North Avenue 4 | 04 to 06 | 122 | 65 years | $750,000 | $571 psf |
| Same street | May 2026 | 508 Serangoon North Avenue 4 | 07 to 09 | 121 | 70 years | $858,000 | $659 psf |
| Same street | May 2026 | 500 Serangoon North Avenue 4 | 07 to 09 | 124 | 65 years | $775,000 | $581 psf |
| Same street | May 2026 | 512 Serangoon North Avenue 4 | 04 to 06 | 120 | 70 years | $860,000 | $666 psf |
| Same street | May 2026 | 540 Serangoon North Avenue 4 | 07 to 09 | 122 | 65 years | $838,000 | $638 psf |
| Same street | May 2026 | 500 Serangoon North Avenue 4 | 01 to 03 | 124 | 65 years | $730,000 | $547 psf |
| Same street | Apr 2026 | 504 Serangoon North Avenue 4 | 01 to 03 | 124 | 65 years | $660,000 | $494 psf |
| Same street | Feb 2026 | 500 Serangoon North Avenue 4 | 01 to 03 | 125 | 65 years | $745,000 | $554 psf |
And 8 more further away or earlier.
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 $797,000 in the Sell calculator →Price trend
505 Serangoon North Avenue 4 has 18 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
124 sqm
The largest unit sold here was a 124 sqm 5 Room, for $645,000 in Dec 2022.
Smallest unit sold
124 sqm
The smallest unit sold here was a 124 sqm 5 Room, for $645,000 in Dec 2022.
Longest lease left
69 years
The longest remaining lease sold here was 69 years, on a 124 sqm 5 Room.
Shortest lease left
65 years
The shortest remaining lease sold here was 65 years, on a 124 sqm 5 Room.
Highest floor sold
Storeys 10 to 12
The highest-floor sale here was on storeys 10 to 12, a 124 sqm 5 Room.
Lowest floor sold
Storeys 04 to 06
The lowest-floor sale here was on storeys 04 to 06, a 124 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
79th percentile
A 124 sqm 5 room sale here ranks in the 79th percentile among all 5 room flats sold citywide over the same period.
Price vs similar-sized flats
86th percentile
For its 124 sqm, this sale is in the 86th percentile among similarly-sized flats sold across Singapore over the same period.
Price vs 5 room flats in Serangoon
70th percentile
Within Serangoon alone, that sale is in the 70th percentile for a 5 room.
Remaining lease, citywide
38th percentile
This flat's remaining lease (65 years) ranks in the 38th 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
12th percentile
Completed in 1992, this block is newer than 84% of HDB blocks in Serangoon.
Comparisons
4 factsHow prices stack up against the town and the city.
vs the Serangoon average
+12%
Prices here run 12% above the Serangoon average.
vs the citywide average
+21%
Citywide, that's 21% 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
10.3km
This location is about 10.3km from the city center (Raffles Place).
Trends
1 factWhich way prices and sales are heading.
Since the last resale
2 mo
It's been about 2 months since the last resale here.
Transactions
| Aug 2026 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 10 to 12 | 124 | 65 years | $810,000 | $607 psf |
| Dec 2024 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 10 to 12 | 124 | 67 years | $770,000 | $577 psf |
| Jul 2024 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 04 to 06 | 124 | 67 years | $745,000 | $558 psf |
| Jan 2024 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 10 to 12 | 124 | 67 years | $710,000 | $532 psf |
| Aug 2023 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 07 to 09 | 124 | 68 years | $738,000 | $553 psf |
| Mar 2023 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 04 to 06 | 124 | 68 years | $688,000 | $515 psf |
| Dec 2022 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 04 to 06 | 124 | 69 years | $645,000 | $483 psf |
| Aug 2021 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 07 to 09 | 125 | 70 years | $650,000 | $483 psf |
| Jun 2021 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 04 to 06 | 124 | 70 years | $565,000 | $423 psf |
| Nov 2019 | Serangoon | 505 | Serangoon North Avenue 4 | 5 Room | Improved | 04 to 06 | 125 | 72 years | $485,000 | $360 psf |
Showing 1–10 of 18
Blocks on Serangoon North Avenue 4
Every block on the street, with its number of recorded HDB resales.
- Block 500 27
- Block 501 20
- Block 502 19
- Block 503 2
- Block 504 17
- Block 505 18
- Block 506 22
- Block 506A 22
- Block 506B 22
- Block 507 34
- Block 508 31
- Block 509 31
- Block 510 31
- Block 511 32
- Block 512 24
- Block 514 13
- Block 515 5
- Block 516 14
- Block 517 19
- Block 518 24
- Block 519 36
- Block 520 38
- Block 521 27
- Block 522 18
- Block 523 32
- Block 524 23
- Block 525 26
- Block 526 34
- Block 527 18
- Block 528 16
- Block 529 19
- Block 530 19
- Block 531 16
- Block 532 29
- Block 533 25
- Block 534 24
- Block 535 30
- Block 535A 17
- Block 536 18
- Block 537 44
- Block 538 29
- Block 539 41
- Block 540 39
- Block 541 33
- Block 542 43