Block data

Blk 403 Serangoon Avenue 1

SerangoonHDB data to Oct 2026

The block

Completed
1988
Lease
From 1988, ends 2087. About 60 years left
Storeys
11
Flats
80: 60 4-room, 20 5-room
Town
Serangoon

Resale prices at Blk 403 Serangoon Avenue 1

4-roomS$855,000median of 2 sales in 12 months, S$728 psf
5-roomS$980,000median of 1 sale in 12 months, S$752 psf
Flat type20232026Serangoon median
4-roomS$793,000S$855,000S$660,000
5-room-S$980,000S$830,000

Median price by year of registration.

What is my flat at Blk 403 Serangoon Avenue 1 worth?

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

Estimated valueS$855,000
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
Aug 20264-room
Model A
07 to 09113 sqm
1,216 sqft
S$920,000
S$756 psf
May 20264-room
Model A
04 to 06105 sqm
1,130 sqft
S$790,000
S$699 psf
May 20265-room
Improved
04 to 06121 sqm
1,302 sqft
S$980,000
S$752 psf
Nov 20234-room
Model A
10 to 12113 sqm
1,216 sqft
S$793,000
S$652 psf

Rent at Blk 403 Serangoon Avenue 1

4-roomS$3,700a month, median of 6 approvals in 12 months
5-roomS$4,100a month, median of 1 approval in 12 months

At these figures a 4-room flat here earns a gross yield of about 5.2% 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 403 Serangoon Avenue 1

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

Flat typeModelTypical sizeSales
4-roomModel A113 sqm (1,216 sqft)3
5-roomImproved121 sqm (1,302 sqft)1

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.

1-minute quizzes for owners at Blk 403 Serangoon Avenue 1

What is your flat at Blk 403 Serangoon 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 4-room flat at Blk 403 Serangoon Avenue 1?

4-room flats at Blk 403 Serangoon Avenue 1 sold for a median S$855,000 in the last 12 months, or about S$728 per square foot. The range was S$790,000 to S$920,000. Floor level, condition and the remaining lease explain most of the gap.

How many years are left on the lease at Blk 403 Serangoon Avenue 1?

The lease started in 1988 and runs for 99 years to 2087, so about 60 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 403 Serangoon Avenue 1?

HDB approved 6 4-room rentals here in the last 12 months, at a median S$3,700 a month (S$3,200 to S$3,800). See more in the HDB rental rates checker.

What is my flat at Blk 403 Serangoon 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 Avenue 1

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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.