Blk 505 Serangoon North Avenue 4

HDB · Serangoon · Singapore 550505

Completed: 1992
Lease from: 1992 (99 years)
Storeys: 14
Resales since 1990: 73

Lease and eligibility context

About 65 years remain on the 99-year lease, based on its 1992 commencement year. This year-level figure is approximate.

A standard flat completed around 1992 would usually reach its 5-year MOP around 1997. The actual MOP starts from each owner’s key collection date, and special schemes can differ. Check HDB’s rule ↗

Indicative only. Check your dates and eligibility with HDB, CPF and your conveyancing adviser.

76 flats: 76 × 5-room.

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Estimated value

Indicative building-level values from official sales. They are a starting point, not a valuation. A unit’s floor, size, condition and facing can change its price.

5-room

S$783,210.94

Typical range S$766,620.94–S$837,199.96

See the 20 comparable sales

Sale	Home	Original	Adjusted
Aug 202610 to 12	505 SERANGOON NORTH AVENUE 4same building · 124 sqm	S$810,000storey -5.5%	S$765,725.96
Dec 202410 to 12	505 SERANGOON NORTH AVENUE 4same building · 124 sqm	S$770,000market +2.5% · storey -5.5%	S$745,935.43
Sep 20267 to 9	540 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$830,000storey -1.9%	S$814,593.38
Sep 20261 to 3	535A SERANGOON NORTH AVENUE 4same street · 124 sqm	S$725,000storey +5.8%	S$766,919.27
Aug 20267 to 9	507 SERANGOON NORTH AVENUE 4same street · 121 sqm	S$920,000storey -1.9%	S$902,922.78
Jul 20267 to 9	512 SERANGOON NORTH AVENUE 4same street · 121 sqm	S$853,000storey -1.9%	S$837,166.45
Jul 20261 to 3	510 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$738,000storey +5.8%	S$780,670.93
Jun 20264 to 6	532 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$750,000storey +1.9%	S$764,184.95
May 20264 to 6	512 SERANGOON NORTH AVENUE 4same street · 120 sqm	S$860,000storey +1.9%	S$876,265.41
May 20267 to 9	508 SERANGOON NORTH AVENUE 4same street · 121 sqm	S$858,000storey -1.9%	S$842,073.64
May 20267 to 9	540 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$838,000storey -1.9%	S$822,444.88
May 20267 to 9	500 SERANGOON NORTH AVENUE 4same street · 124 sqm	S$775,000storey -1.9%	S$760,614.30
May 20261 to 3	500 SERANGOON NORTH AVENUE 4same street · 124 sqm	S$730,000storey +5.8%	S$772,208.37
Apr 20261 to 3	504 SERANGOON NORTH AVENUE 4same street · 124 sqm	S$660,000storey +5.8%	S$698,160.99
Feb 20261 to 3	500 SERANGOON NORTH AVENUE 4same street · 125 sqm	S$745,000market -0.3% · storey +5.8%	S$785,750.96
Jan 202610 to 12	524 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$818,000market -0.3% · storey -5.5%	S$771,007.60
Jan 20264 to 6	501 SERANGOON NORTH AVENUE 4same street · 124 sqm	S$768,000market -0.3% · storey +1.9%	S$780,217.05
Dec 20254 to 6	523 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$825,000market -0.4% · storey +1.9%	S$837,300.48
Nov 20257 to 9	511 SERANGOON NORTH AVENUE 4same street · 121 sqm	S$870,000market -0.4% · storey -1.9%	S$850,495.88
Nov 20254 to 6	538 SERANGOON NORTH AVENUE 4same street · 122 sqm	S$788,000market -0.4% · storey +1.9%	S$799,748.82

Median of the adjusted sales; range is their middle 50%. Older HDB sales are adjusted with the official HDB Resale Price Index. Storey adjustments use observed premiums for the town and flat type. Method building-v1, sales through 2026-09-01.

Prices by flat type

Flat type	Last 12 months	Median price	Median S$ psf	Latest sale
5-room	1 sold	S$810,000	607	S$810,000 in Aug 2026

Price history

Quarterly median sale price. Hover or focus a point for its value.

5-room

Getting around

Kovan MRT StationExit B28 min walk2.3 km
Hougang MRT StationExit C29 min walk2.4 km

Walking routes from OneMap to the nearest exit.

Schools nearby

Primary, within 1 km

Primary, 1 to 2 km

Other schools within 1 km

Approximate straight-line distances from the building. For primary school registration, check the exact distance on OneMap’s school query ↗.

Food & shopping nearby

Hawker centres

Ci Yuan Hawker Centre40 cooked-food stalls770 m
Chomp Chomp Food Centre36 cooked-food stalls1.5 km
Serangoon Garden Market46 cooked-food stalls1.5 km

Shopping malls

Hougang Green Shopping Mall21 HOUGANG STREET 51 HOUGANG GREEN SHOPPING MALL SINGAPORE 5387191.4 km
Hougang Mall90 HOUGANG AVENUE 10 HOUGANG MALL SINGAPORE 5387661.9 km
Kang Kar Mall100 HOUGANG AVENUE 10 KANG KAR MALL SINGAPORE 5387672.0 km

Nearest places within 3 km. Approximate straight-line distance from the building. Sources: NEA via data.gov.sg and OneMap.

Location

Latest 30 of 73 sales

Month	Flat type	Storey	Size	Price	S$ psf
Aug 2026	5-roomImproved	10 to 12	124 sqm (1,335 sqft)	S$810,000	607
Dec 2024	5-roomImproved	10 to 12	124 sqm (1,335 sqft)	S$770,000	577
Jul 2024	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$745,000	558
Jan 2024	5-roomImproved	10 to 12	124 sqm (1,335 sqft)	S$710,000	532
Aug 2023	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$738,000	553
Mar 2023	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$688,000	515
Dec 2022	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$645,000	483
Aug 2021	5-roomImproved	7 to 9	125 sqm (1,345 sqft)	S$650,000	483
Jun 2021	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$565,000	423
Nov 2019	5-roomImproved	4 to 6	125 sqm (1,345 sqft)	S$485,000	360
Oct 2018	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$523,000	392
Jul 2018	5-roomImproved	10 to 12	124 sqm (1,335 sqft)	S$515,000	386
Feb 2018	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$530,000	397
Jan 2018	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$445,000	333
Feb 2017	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$470,000	352
Dec 2014	5-roomImproved	7 to 9	125 sqm (1,345 sqft)	S$495,000	368
Jul 2014	5-roomImproved	10 to 12	124 sqm (1,335 sqft)	S$535,000	401
Nov 2011	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$500,000	375
Jun 2011	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$488,000	366
Oct 2010	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$472,000	354
Oct 2010	5-roomImproved	13 to 15	124 sqm (1,335 sqft)	S$465,000	348
Jan 2010	5-roomImproved	4 to 6	124 sqm (1,335 sqft)	S$413,000	309
Sep 2009	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$400,000	300
Sep 2009	5-roomImproved	1 to 3	124 sqm (1,335 sqft)	S$360,000	270
Jun 2009	5-roomImproved	13 to 15	125 sqm (1,345 sqft)	S$380,000	282
May 2008	5-roomImproved	1 to 3	124 sqm (1,335 sqft)	S$323,000	242
Jan 2007	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$285,000	214
Jan 2007	5-roomImproved	13 to 15	124 sqm (1,335 sqft)	S$278,000	208
Sep 2006	5-roomImproved	7 to 9	124 sqm (1,335 sqft)	S$262,000	196
Nov 2005	5-roomImproved	4 to 6	125 sqm (1,345 sqft)	S$282,800	210

HDB publishes a storey range, not the unit number. Sizes include any recess area bought and space added by upgrading. Source: HDB resale flat prices, data.gov.sg.