Singapore Property Decision Lab

Tools first, opinions second: work out your numbers before you talk to an agent.

Free calculators for the two decisions that trip up most buyers -- stamp duty and MOP timing -- plus district-by-district and condo-by-condo notes written for people making a specific decision, not browsing listings.

ABSD & Stamp Duty Calculator

Work out Buyer's Stamp Duty and Additional Buyer's Stamp Duty for your buyer profile before you commit to an Option to Purchase.

HDB MOP Countdown

Enter your flat's possession date and see exactly when your Minimum Occupation Period ends.

District guides

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D09

Orchard / River Valley

Singapore's retail and hospitality core.

D10

Tanglin / Bukit Timah / Holland

Singapore's Good Class Bungalow belt and top-school corridor.

D15

East Coast / Marine Parade / Katong

Seafront living with a strong freehold-landed and heritage-shophouse identity.

Data insights

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Which HDB Towns Appreciated Most Since 2017 — and Why the Leaderboard Surprises People

Median HDB resale price per square metre by town, 2017 vs 2026, computed from every recorded resale transaction.

What a Shrinking HDB Lease Actually Costs — Once You Stop Comparing Across Town Lines

Median 4-room resale price per square metre by remaining lease, computed from every 4-room resale since 2024. The discount is real — but location hides it.

The Price of a High Floor

How much more a high-floor 4-room HDB flat costs per square metre, computed from recent resales with the lease effect held constant.

Million-Dollar HDB Flats: How Fast, and How Far They've Spread

Every HDB resale transaction at S$1,000,000 or above since 2017 — how many, where, and what type.

Decision guides

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