Net cost: BTO vs resale.
Cheaper option
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BTO net cost (incl rent)
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Resale net cost
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Your breakdown
Updates live as you type| Line item | BTO | Resale |
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The real comparison is not price, it is total outlay
Almost everyone compares a BTO flat and a resale flat by sticker price, sees that the BTO is far cheaper, and stops there. That misses two things. First, grants differ sharply between the two channels, and resale buyers often qualify for larger combined grants. Second, a BTO means years of waiting, and during those years you are paying rent or living somewhere that has its own cost. This tool puts both on the same footing by netting grants off each price and then loading the rent you pay while a BTO is under construction onto the BTO side. The cheaper option is the one with the lower true outlay, not the lower headline.
A four-room BTO against a comparable resale flat
Picture a young couple choosing between a $450,000 BTO in a non-mature estate and a $650,000 resale flat in a location they like. The BTO attracts $40,000 of grants in this scenario, the resale flat $80,000 because resale buyers can stack the Enhanced CPF Housing Grant with the CPF Housing and Proximity grants. The catch is the wait: 42 months, during which the couple rents at $2,500 a month. Watch what the rent does.
The BTO still wins, but by $55,000 rather than the $200,000 the raw prices implied. Nearly three quarters of the apparent saving was eaten by rent. The bars below show how the rent narrows what looked like a runaway lead.
What this tool deliberately leaves out
The model is a cash-outlay comparison, not a full lifetime cost. It does not discount future rent to today’s value, and it ignores the resale value each flat might command later, which often favours the resale flat because it is in a more central, established location with a shorter remaining lease consideration. It also does not model the opportunity cost of the larger deposit a resale flat needs upfront. Treat the result as the decisive first cut, then layer in lease decay, renovation budgets, and your own view on how the two locations will appreciate. A common mistake is to set the rent to zero because you plan to live with parents during the wait. That can be the right call, and if so the BTO advantage widens dramatically, but be honest about whether a multi-year stay is realistic. Another mistake is treating two flats with very different remaining leases as equivalent. A 99-year fresh BTO and a resale flat with 60 years left are not the same asset, because CPF usage rules tighten and bank financing shrinks as the remaining lease falls, and the resale flat may be worth far less when you in turn sell it. If the resale flat you are eyeing has a short lease, lean toward the BTO even when the cash outlay looks similar.
Is there stamp duty on an HDB purchase?
Yes. Buyer’s Stamp Duty applies to HDB flats on the same progressive bands as private property, starting at 1 percent on the first $180,000. A Singapore citizen buying a first home pays no Additional Buyer’s Stamp Duty, so for most first-time HDB buyers the only duty is BSD. This tool does not add stamp duty, so budget for it separately using the Buyer’s Stamp Duty calculator.
Can I use CPF to pay the rent while I wait for my BTO?
No. CPF Ordinary Account savings can fund a home purchase, the down payment, and monthly instalments on the flat you own, but not rent on a place you are merely renting. The waiting rent in this tool is genuine out-of-pocket cash, which is exactly why it can swing the decision more than buyers expect.