HDB calculators

Plan a BTO or resale flat from grants to keys. Check your HDB grants, the BTO payment timeline, your minimum occupation period, the resale levy and what you walk away with when you sell.

14 calculators

BTO Affordability

Work out how much HDB flat you can afford: your maximum HDB or bank loan, CPF-vs-cash downpayment, monthly repayment, MSR/TDSR limits and the cash you need upfront.

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BTO vs Resale

Compare a BTO flat versus a resale HDB flat side by side, the CPF housing grants each gets, the net price, and the trade-offs in wait time, lease and availability.

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HDB Grants

See which CPF housing grants you can get for a BTO or resale flat: EHG up to S$120,000 by income, the Family or Singles Grant, PHG and Step-Up Grant, on HDB's 2026 tables.

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HDB Valuation

Estimate what your HDB flat could sell for from recent resale prices on data.gov.sg, by town, flat type, storey and remaining lease, with every comparable sale listed.

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HDB Resale Levy

The resale levy to buy a second subsidised flat: fixed by your first flat type from S$15,000 to S$55,000, the pre-2006 percentage, ex-EC owners and payment from sale proceeds.

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BTO Payment Timeline

Every payment for a BTO flat from booking to keys: option fee, downpayment, stamp duty and legal fees at the Agreement for Lease and the balance at key collection, in cash and CPF.

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S&CC

Monthly S&CC for all 19 town councils by flat type, reduced or normal rate, and what you pay over FY2026 after the GST Voucher S&CC rebate of up to 3.5 months.

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HDB sale proceeds

Work out the cash from selling your HDB flat after the loan, the CPF refund with accrued interest, the resale levy if you buy another subsidised flat, and agent and legal fees.

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HDB fire insurance

See HDB's fire insurance premium and sum insured for your flat type, whether you must buy it, and the cost over the rest of your HDB loan, with what it covers next to home insurance.

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HDB upgrading cost

Work out your share of HDB's Home Improvement Programme cost by flat type and citizenship, for optional and EASE items, against the Government's share, with CPF or cash instalments.

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Parking charges

Work out your monthly parking bill in Singapore from HDB's season parking rates by car park and tier, short-term charges by the minute with the S$12 and S$20 day caps, and the S$5 night cap.

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HDB MOP date

Find the date your HDB flat or EC meets its Minimum Occupation Period, how long is left, and what you can do after it, for Standard, Plus, Prime, DBSS and EC homes.

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HDB contra

Selling your HDB flat and buying a resale flat the same day: the cash and CPF your sale frees up, how much HDB makes you use, the HDB loan you need and the cash you keep.

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Deferred payment scheme

Where a developer's deferred payment scheme still applies in Singapore, and how HDB's staggered and deferred downpayments move a new flat's payments from signing to key collection.

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Also useful

  • Cash over valuation (COV) calculator

    The cash you pay above the valuation for an HDB resale flat or private home, the loan and CPF on the lower of price or value, and stamp duty on the price.

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