Block data

Blk 121 Serangoon North Avenue 1

SerangoonSingapore 550121HDB data to Oct 2026

The block

Completed
1984
Lease
From 1985, ends 2084. About 57 years left
Storeys
13
Flats
96: 18 4-room, 78 5-room
Postal code
Singapore 550121
Nearest MRT
Kovan MRT, about 27 min walk (1.7 km)
Town
Serangoon

Resale prices at Blk 121 Serangoon North Avenue 1

5-roomS$724,000median of 4 sales since Oct 2023, S$547 psf
Flat type20242025Serangoon median
5-roomS$729,000S$692,500S$830,000

Median price by year of registration.

What is my flat at Blk 121 Serangoon North Avenue 1 worth?

Pick your flat type and floor for an instant range based on this block's own resales.

Estimated valueS$724,000
Get an exact valuation for my unit

A guide only. Condition, facing, corner units and renovation can move the price 5 to 10% either way.

Latest sales

MonthTypeStoreySizePrice
Mar 20255-room
Improved
01 to 03121 sqm
1,302 sqft
S$660,000
S$507 psf
Jan 20255-room
Improved
07 to 09125 sqm
1,345 sqft
S$725,000
S$539 psf
Dec 20245-room
Improved
10 to 12121 sqm
1,302 sqft
S$723,000
S$555 psf
Dec 20245-room
Improved
10 to 12123 sqm
1,324 sqft
S$735,000
S$555 psf

Rent at Blk 121 Serangoon North Avenue 1

5-roomS$3,100a month, median of 1 approval in 12 months

At these figures a 5-room flat here earns a gross yield of about 5.1% before property tax and other costs.

Whole-flat rentals approved by HDB since Oct 2024. Rooms let out separately aren't included.

Flat layouts at Blk 121 Serangoon North Avenue 1

HDB records the flat model of every resale. These are the layouts sold here, with the typical size.

Flat typeModelTypical sizeSales
5-roomImproved122 sqm (1,313 sqft)4

Model names come from HDB. "Improved", "New Generation" and "Model A" flats of the same type can differ by 10 sqm or more, so compare sizes, not just room counts.

Living at Blk 121 Serangoon North Avenue 1

MRT

  • Kovan MRT1.7 km, about 27 min walk
  • Serangoon MRT1.8 km, about 29 min walk

Hawker centres

  • Chomp Chomp Food Centre610 m, 36 food stalls
  • Serangoon Garden Market660 m, 46 food stalls

Car park

Car parkTypeFree parkingNight parkingGantry
SE6
140 m away
SurfaceFree on Sundays and public holidays, 7am to 10.30pmNo-
SE4T
160 m away
SurfaceFree on Sundays and public holidays, 7am to 10.30pmNo-

From HDB's car park list. The nearest HDB car parks to the block.

1-minute quizzes for owners at Blk 121 Serangoon North Avenue 1

What is your flat at Blk 121 Serangoon North Avenue 1 worth?

Send us your floor and flat type. We'll reply with a valuation range based on the latest sales here and at nearby blocks, and what a sale would leave you after your loan and CPF refund.

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Common questions

How much is a 5-room flat at Blk 121 Serangoon North Avenue 1?

5-room flats at Blk 121 Serangoon North Avenue 1 sold for a median S$724,000 since Oct 2023, or about S$547 per square foot. The range was S$660,000 to S$735,000. Floor level, condition and the remaining lease explain most of the gap.

How many years are left on the lease at Blk 121 Serangoon North Avenue 1?

The lease started in 1985 and runs for 99 years to 2084, so about 57 years are left. Banks and CPF limit how much a buyer can borrow and use once fewer than 60 years remain, which affects who can buy.

How much rent can I get at Blk 121 Serangoon North Avenue 1?

HDB approved 1 5-room rental here in the last 12 months, at a median S$3,100 a month (S$3,100 to S$3,100). See more in the HDB rental rates checker.

What is the postal code of Blk 121 Serangoon North Avenue 1?

The postal code of Blk 121 Serangoon North Avenue 1 is Singapore 550121.

What is the nearest MRT station to Blk 121 Serangoon North Avenue 1?

Kovan MRT station is about 1.7 km away, roughly 27 minutes on foot. Serangoon MRT is the next closest, about 1.8 km away.

Where do residents of Blk 121 Serangoon North Avenue 1 park?

Surface car park SE6, about 140 m away: Free on Sundays and public holidays, 7am to 10.30pm. Surface car park SE4T, about 160 m away: Free on Sundays and public holidays, 7am to 10.30pm.

What is my flat at Blk 121 Serangoon North Avenue 1 worth?

Recent sales at the block are the best guide, adjusted for your floor, facing and condition. Send us your unit and we'll reply with a valuation range on WhatsApp.

Other blocks on Serangoon North Avenue 1

Blocks nearby

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Source: HDB resale flat prices, renting out of flats and HDB property information, from data.gov.sg. Resales from Oct 2023 to Oct 2026. Prices are what buyers paid; your flat's value depends on its floor, facing, condition and lease.