The Cheapest 5-Room Flat in Ang Mo Kio Is Bigger Than the Most Expensive One

In Ang Mo Kio, a 5-room flat sold for $600,000 in March 2026. Another 5-room flat sold for $1,320,000 in the same period. The $720,000 gap sits within the same town, the same flat type, the same three months. And here is the part that stops you: the $600,000 flat is bigger. The buyer who paid $1,320,000 got 1,216 sqft. The buyer who paid $600,000 got 1,270 sqft. The premium buys you less floor area, not more. What it buys instead is lease years and altitude. This article explains exactly how that works — and what it means if "5-room flat in Ang Mo Kio" is how you are anchoring your budget.

The range in Ang Mo Kio's 5-room resale market from March to May 2026: $600,000 to $1,320,000. More than half of the 51 transactions came in above $1.1M — a distribution most people would not expect from a town with a reputation for mid-market stability.

The higher you go, the more you pay — but not as simply as you think

The floor you live on moves the price significantly in Ang Mo Kio. Here is what the data shows across 51 transactions from March to May 2026.

The jump from 04–09 to 16+ is $235,000. The 16+ band has 18 transactions — equal volume to the 04–09 band. This is not a thin tier of outlier sales. It is a major price stratum in AMK's resale market right now.

But look at what happens in the middle: the typical price barely moves between 04–09 and 10–15. Then it leaps at 16+. The floor premium is not a smooth gradient — it concentrates sharply at the top.

There is a catch in this table that matters. The low-floor band's range extends all the way to $1,225,000, and the 04–09 band reaches $1,350,000. These bands contain flats from entirely different lease eras sitting alongside each other. Floor alone does not tell you where in the range you land. You need to know the lease age too — and that is where the bigger separator lives.

The real price cliff is at 60 years remaining

Across the same 51 transactions, sort by how much lease is left and the picture sharpens.

The cliff is at 60 years. The jump from under-60 to 60–69 years remaining is $229,000. From 60–69 to 70–79, it is only $22,500. From 80–89 to 90+, the typical price does not move at all.

That $229,000 step at the 60-year mark is not a coincidence. CPF usage and bank financing rules restrict borrowing on flats with fewer than 60 years remaining — which suppresses buyer demand and compresses prices on the older stock. Twenty-one of the 51 transactions in this period are sub-60-year flats. All of them are Pre-2005 blocks with around 50–55 years left on the lease.

This is also where the size inversion lands. The flats on AMK Avenue 10 — the cheap end of the market — are Improved-model 5-room flats built in the late 1970s and early 1980s. They are 1,270 to 1,292 sqft. The most expensive flats in the dataset, on AMK Street 23, are also Improved-model 5-room flats — and they are 1,216 sqft. The newer flat is smaller. The premium is entirely lease and floor.

The cheapest single transaction makes this concrete. Block 551, AMK Avenue 10: 1,270 sqft, floor 01–03, lease commenced 1981, 53 years and 9 months remaining — $600,000 at $472/sqft. This is the only transaction below $700,000 in the dataset. It is not a mystery outlier or a distressed sale. It is a flat carrying the double weight of the lowest floor band and a sub-60-year lease simultaneously. The typical price on AMK Avenue 10 is $752,888 — the $600,000 represents the worst-case compounding of both variables at once, not a baseline.

AMK Street 23: the floor premium in its purest form

The clearest proof of what floor level does to price is not in the town-wide data. It is in two adjacent blocks on AMK Street 23.

Blocks 228A and 228B are a single BTO development. Every flat that sold from these blocks between March and May 2026 is an Improved-model 5-room at exactly 1,216 sqft, with a lease commenced in 2021 — roughly 94 years remaining. Same block. Same size. Same lease. Only the floor changes.

The range within these two identical blocks is $200,000 — from $1,120,000 at the 4th floor to $1,320,000 at the 16th to 18th floor. Every unit the same size, same lease, same building. The floor premium here is not a theory. It is 15 transactions showing you the number directly.

These 15 transactions account for 29% of all 5-room and executive resale activity in AMK during the period. They are likely the first wave of sellers from a development that became eligible for resale in 2026, five years after the 2021 lease commencement. That volume concentration is a structural feature of how BTO cohorts move through the market — not evidence of broad demand at this price level across the whole town.

On amenities: AMK Street 23 is not an MRT-adjacent address. Mayflower MRT on the Thomson-East Coast Line is roughly 0.6km away — about a 14-minute walk, which is not short. The location story here is different. Kebun Baru Food Centre is about 200m away. A second hawker centre is about 300m away. Ang Mo Kio Primary School is approximately 160m from the blocks. CHIJ St Nicholas Girls' School and Mayflower Primary are within 1km, as is AMK Hub. The price at AMK Street 23 is about a new lease, high floors, and a dense cluster of day-to-day amenities within walking distance — not MRT proximity.

The three-tier structure: old stock, mid-era, new BTO

AMK Avenue 10 and AMK Street 23 are the two poles, but there is a middle tier. Four transactions from blocks 588A and 588B on AMK Street 52 are DBSS units — lease commenced 2011, roughly 84 years remaining, size ranging from 1,206 to 1,259 sqft. Typical price: $1,160,000.

That sits almost exactly between the old-stock typical of $768,888 and the new-BTO typical of $1,200,000. The DBSS is not an anomaly. It fits precisely where a 2011-vintage flat should fit in a market ordered almost entirely by lease age.

The street summary confirms this pattern at scale.

Read the price column from top to bottom, then read the lease column from top to bottom. They move in the same direction almost perfectly. The street name tells you very little. The remaining lease tells you almost everything about where a flat sits in AMK's price hierarchy.

The competing explanation — that AMK Street 23 commands a premium because of superior location and amenities rather than lease alone — does not hold against this table. If location were the dominant factor, you would expect the relationship between street and price to be messier, driven by proximity to specific nodes rather than tracking lease age this cleanly. The lease-price correlation across nine streets is too consistent to be primarily a location story.

One footnote on the highest nominal price: the $1,350,000 sale in this period belongs to an executive Adjoined flat on AMK Avenue 5, at 1,916 sqft — nearly 60% larger than a 5-room unit. At $705/sqft, it is below the PSF of almost every AMK Street 23 transaction. With only two executive flat transactions in the dataset, this is background colour, not a line of argument.

What "Ang Mo Kio" actually tells you about a price

Ang Mo Kio is classified as RCR — Rest of Central Region, the city-fringe band. That classification helps explain why the top of this market sits above $1.2M for an HDB flat. But it does not tell you which end of the $720,000 spread you are looking at.

The town's name carries a reputation for stability and legibility. The data says the market is split into at least three distinct price tiers by lease age — and within any single tier, the floor you live on can move the number by another $200,000. A flat described as "5-room HDB in Ang Mo Kio" could be almost anything from $600,000 to $1,320,000. The label is close to useless as a price anchor.

What determines where in that range a flat lands: first, how many years of lease remain — specifically whether it clears the 60-year financing threshold and then whether it is pre-2005 stock, mid-era, or a new BTO cohort; second, the floor level, which works quietly inside any given development and can account for $200,000 on its own within identical-spec units. Size, as this period's data makes clear, is not the variable doing the work.

For anyone using "Ang Mo Kio 5-room flat" as a budget anchor: the anchor needs a second number attached to it. The lease remaining on the specific block tells you which tier you are in. The floor tells you where within that tier you land.

ANG MO KIO Market Intelligence · Recent Transactions

Town: ANG MO KIO | Period: 2026-03, 2026-04, 2026-05 | Total transactions: 51

Key Metrics

• Highest price: $1,350,000 — Blk 605, ANG MO KIO AVE 5 (1916 sqft)
• Lowest price: $600,000 — Blk 551, ANG MO KIO AVE 10 (1270 sqft)
• Largest unit: 1916 sqft — Blk 605, ANG MO KIO AVE 5
• Best value PSF: $472 PSF — Blk 551, ANG MO KIO AVE 10

Transaction Table

20 most recent transactions by month, then price. Source: HDB Resale Flat Prices.