Cash over valuation (COV) in 2026: how it works and how to keep it small
Agree a price above HDB's valuation and the difference is cash out of your pocket — no CPF, no loan. Here's how the number is set, a worked example, and how to negotiate before you're committed.
What COV is, in one paragraph
Every HDB resale flat has two numbers: the price you agree with the seller, and the official valuation HDB assigns after the price is agreed. If the price is higher, the gap is the cash over valuation — COV. It is payable entirely in cash. Not from CPF, not from any loan. If the valuation comes in at or above your price, COV is zero and the rule never touches you.
The asymmetry is the part buyers miss. Your housing loan and your CPF usage are both capped at the lower of price or valuation. But buyer's stamp duty is charged on the higher of the two. Pay above valuation and you get squeezed from both directions at once.
The order of operations that protects you
Since 2014, HDB only values a flat after a price is agreed. That sounds like a trap, but the sequence has a safe way to run it:
- Negotiate the price off recent transacted prices for the block and town — not off the asking price, which is marketing.
- Get the OTP. You pay the option fee (anything from $1 to $1,000) and the flat is locked to you for 21 calendar days.
- Submit the Request for Value to HDB by the next working day after the OTP date. The result takes about 10 working days.
- Read the valuation before you exercise. Now you know the exact COV, if any, while you can still walk away for the cost of the option fee.
- Exercise the OTP — or don't — with the full cash picture in hand. Option plus exercise fees together can't exceed $5,000.
Buyers who exercise before seeing the valuation are signing a blank cheque for the gap. There is no reason to do that in this order.
Worked example: $650,000 price, $620,000 valuation
A couple agrees $650,000 on a 4-room flat. HDB values it at $620,000. Bank loan at 75% LTV.
The $30,000 COV is the piece no financing will touch. The same flat at $620,000 would need about $30,000 less cash, and every dollar of it is money the seller keeps but the bank won't recognise. Check what the monthly payment looks like at your own price point with the mortgage affordability calculator.
COV in the 2026 market
The pressure has eased. The resale price index dipped 0.1% in Q1 2026 — the first quarterly fall since 2019 — and about 13,480 flats hit MOP this year, adding supply in towns like Punggol and Tampines. Fairly priced flats in most towns are transacting at or near valuation again, which is the buyer-friendly version of this market.
But COV hasn't died; it has concentrated. Renovated units near MRT stations, newly-MOP flats, and hot mature estates like Queenstown, Bukit Merah and Tiong Bahru still see gaps of roughly $20,000 to $80,000, and million-dollar flat transactions have carried six-figure COV. The town-level picture matters more than the national one — see the current numbers for Tampines, Punggol or Sengkang before you assume anything.
Negotiating, with the valuation in mind
The seller's agent will anchor on asking prices and the highest recent sale in the block. Your counter is the full set of recent transactions — what similar units actually sold for, floor by floor. That's the same evidence HDB's valuer will lean on, which makes it the only anchor that matters.
Three working rules I give buyers:
- Treat the likely valuation as your financing ceiling. Every dollar above it is cash. Decide your maximum cash gap before the first viewing, and the negotiation gets much calmer.
- "Other offers" is a Tuesday afternoon phrase. Sometimes it's true. Ask what the competing offer is based on and watch the answer. Transacted prices don't bluff.
- Keep the walk-away cheap. The option fee is capped at $1,000. If the valuation comes back low and the seller won't move, walking costs $1,000. Overpaying costs you every year you own the flat.
If the valuation lands low, there are exactly three moves: pay the gap in cash, renegotiate with the valuation report as your evidence, or let the option lapse. A good agent runs the third option without flinching. The full buying process sits in the resale HDB guide.
Quick answers
No. Since 2014, HDB values the flat only after the price is agreed and the OTP granted. The proxy beforehand is recent transacted prices for similar units — which is what I pull for buyers before any offer.
No. Cash only. Loan and CPF are both capped at the lower of price or valuation.
No — BSD is charged on the higher of price or valuation. Loan and CPF use the lower. You lose on both ends when you overpay.
Pay the gap in cash, renegotiate with the valuation as evidence, or let the option lapse and forfeit the option fee (up to $1,000). Read the valuation before exercising and all three stay open.
Make the offer with the evidence already pulled
Before my buyers offer on any flat, I pull the recent transactions for that block and town and we agree on a maximum cash gap in writing. Tell me the flat or town you're looking at and your budget, and I'll show you what the valuation is likely to say before HDB does.