Buying ·
Buying an Older HDB Flat: Lease Decay and CPF Limits
A shorter remaining lease cuts CPF use, the loan and the grant. What the thresholds are and when an older flat still makes sense.
The full HDB resale process from HFE letter to key collection: every step, fee and timeline, based on HDB's current rules.
Adrian Tan ·
An HDB resale purchase runs from the HFE letter to key collection. Financing and valuation come before you exercise the Option to Purchase; reversing that order can put your option money at risk. The steps below include the fees and waiting time at each stage.
The HDB Flat Eligibility (HFE) letter is the gate to every later step: it confirms your eligibility to buy, the housing grants you qualify for, and the HDB loan amount you can take.
Three things to know:
If you plan to use a bank loan instead of an HDB loan, get your bank's In-Principle Approval (IPA) at the same time. An IPA typically holds for about a month, so time it against your viewing schedule.
Our HFE letter guide covers the application, document checks and expiry planning.
Your budget is the sum of four parts, and only one of them is the loan:
| Component | Where it comes from |
|---|---|
| Loan | HDB loan (up to 75% of price or valuation, whichever is lower) or bank loan (up to 75%) |
| CPF | Ordinary Account savings, less any amounts you must set aside |
| Cash (required) | Option + exercise fees (max $5,000 combined); 5% minimum cash downpayment if taking a bank loan |
| Cash (buffer) | Stamp duty shortfalls, renovation, the "cash over valuation" gap if you offer above the flat's valuation |
Since August 2024 the HDB loan-to-value limit has been 75%, the same as bank loans; the old 80% HDB advantage is gone. The full mechanics of using your CPF, including the accrued-interest catch most buyers miss, are in our guide to using CPF for property.
Add the option deposit, Request for Value, resale application, stamp duty and legal work with our HDB resale buyer-fees guide.
Watch the cash-over-valuation gap: if you offer $620,000 for a flat that HDB later values at $600,000, the $20,000 difference is payable in cash. Neither your loan nor your CPF can touch it.
Beyond the usual (floor level, orientation, remaining lease), pull the transaction history for the block and its neighbours from the HDB resale statistics before you form a number. Recent transacted prices for the same stack beat any listing price as evidence.
Check the remaining lease against your age: CPF usage and loan limits tighten when a flat's lease cannot cover the youngest buyer to age 95.
When you agree on price, the seller grants you an Option to Purchase (OTP) in exchange for an option fee of up to $1,000 in cash.
You now have 21 calendar days to decide. Use them for two things:
To proceed, you exercise the option by paying the exercise fee. The option fee and exercise fee together are capped at $5,000, all cash. To walk away, do nothing and forfeit the option fee. Treat the forfeited $1,000 as insurance: walking away from a bad flat costs far less than buying one.
Both buyer and seller submit their portions through the HDB Resale Portal, within 7 days of each other. From acceptance, HDB's processing runs about 8 weeks to completion. During this window HDB verifies eligibility, lawyers (HDB's or your own) do title checks, and you receive the approval letter with your completion appointment date.
HDB may take up to 28 working days to accept a complete application before that 8-week period starts. Our HDB resale timeline lists the buyer and seller tasks during review, endorsement, inspection and completion.
Budget for the transaction costs that land in this window:
At the completion appointment (at HDB Hub or your lawyer's office), the balance of payments moves, ownership transfers, and you collect keys. Do the final inspection before the appointment, confirming the flat is vacated and in the agreed state, because after completion you have little leverage to fix problems.
| Phase | Time |
|---|---|
| HFE letter | up to 21 working days |
| Search and negotiation | 2 weeks – 3 months (yours to control) |
| OTP to exercise | up to 21 days |
| Resale application to completion | ~8 weeks |
| Total | roughly 3–5 months |
If you are selling a flat to fund the purchase, the order changes your timeline and tax bill. Compare the options in Should You Sell Your HDB Before Buying a Condo?, and the same logic applies to flat-to-flat moves. Calculate the amount released by the sale with our HDB selling-cost guide, or use the full HDB-to-condo upgrade plan.
Sources: HDB: Buying procedure for resale flats, HDB: Understanding your eligibility.
Buying ·
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Selling ·
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