Selling your HDB flat without an agent: when it works and when it costs you
Guides › Sell
Step 3 · SellJames Yeo, CEA R051864Z · Updated 18 September 2026 · 9 min read
Quick answer
Yes, you can sell an HDB flat yourself. The HDB Resale Portal handles the paperwork, HDB's own listing service is free, and the fees are small. What you cannot do without a licensed agent is list on PropertyGuru or 99.co, which is where most buyers search. So a DIY sale works well when the flat sells itself: a popular flat type in a popular block, a buyer you already know, or a seller with time and no deadline. It costs you more than any fee when the flat is priced wrong or sits for months while your next purchase waits.
An agent writing this has an interest. So I have kept the "where DIY works" list honest, and I charge $1,999 plus GST rather than 2%, which changes the arithmetic for everyone.
Every few weeks someone asks me, politely, whether they really need an agent to sell their flat. The honest answer is no, not always. Here is what a do-it-yourself sale actually involves, where it saves you money, and where it quietly costs more than the fee you avoided.
Is it allowed, and what does HDB let you do yourself?
Everything. HDB built the Resale Portal so owners can transact without an intermediary. You register your Intent to Sell, grant the Option to Purchase on HDB's form, submit the resale application, and attend completion, all as the seller. HDB's fees are the same with or without an agent: $80 for the resale application on a 3-room or larger flat, plus conveyancing if HDB's solicitors act for you. The full nine steps are in my step-by-step guide; a DIY seller does all nine.
Since May 2024 HDB also runs a free listing service on the HDB Flat Portal, where owners can advertise their flat directly to buyers. That closed the biggest gap DIY sellers used to have. It did not close the other one.
The portal restriction nobody explains from the agent's side
PropertyGuru and 99.co, the two portals where most Singapore buyers actually search, accept listings from licensed agents only. An owner cannot create a listing there. So a DIY seller's marketing reach is the HDB Flat Portal, Carousell and Facebook groups, word of mouth, and the buyers' agents who happen to be looking for a flat like yours.
How much that matters depends entirely on the flat. A 4-room in a well-known block near an MRT gets found on the HDB portal because buyers are already searching that block by name. A 5-room executive flat on a high floor in a town with 40 similar listings does not; the buyer for that flat is scrolling PropertyGuru with filters on, and your flat is not in the results. That single fact decides most DIY outcomes, and it is why I would not give you a blanket answer.
Where selling without an agent works
- You already have the buyer. A family member, a tenant, a neighbour who asked. The job is paperwork, and the portal walks you through it. Paying anyone a percentage here is a waste.
- A popular flat type in a popular block. Recent transactions show a steady flow, buyers search the block by name, and pricing is easy because there are ten comparable sales in the last year. The market does the marketing.
- You have time and no deadline. No next purchase waiting, no bridging, no loan on a second property ticking. If it takes five months, nothing breaks.
- You are comfortable saying no. Buyers, and buyers' agents, will test a DIY seller on price, on fixtures, on the completion date. If you can hold a line politely, you do not need someone to do it for you.
Where it costs more than a fee
- The price is wrong by a few percent. This is the expensive one. On a $600,000 flat, a 1% pricing error is $6,000, nearly three times my whole fee. Overprice and the flat sits; underprice and you never find out what you left behind. Pricing is a data job, and most owners do it once in their life.
- Buyers assume a discount. Buyers and their agents know a DIY seller is not paying commission, and some will negotiate as though the saving belongs to them. Owners who have not sold before often give back a large part of what they saved.
- The flat needs reach. If your buyer is on PropertyGuru and you are not, you are relying on luck or on buyers' agents finding you.
- Screening. Every buyer needs an HFE letter, a loan that covers the price, and cash above valuation. A DIY seller who does not ask those three questions spends weekends showing the flat to people who cannot buy it.
- You are an upgrader. If you are selling to fund a purchase, the timing between the two transactions is the whole game, and a sale that slips six weeks can cost you a booking fee, an option, or three months of rent. The sell first or buy first guide covers this.
The money, honestly
Here is the comparison sellers actually want. On a $600,000 flat:
| Route | Agent fee | What you take on |
|---|---|---|
| Do it yourself | $0 | Pricing, marketing without the two big portals, screening, negotiation, all the paperwork, all the risk |
| Fixed fee (me) | $2,179 | Nothing; $1,999 plus GST, payable on completion |
| Traditional 2% + GST | $13,080 | Nothing; scales with your price |
Full commission arithmetic in the commission guide. HDB and legal fees are the same on every route.
Against 2%, DIY saves real money, and I understand why people try it. Against a fixed fee, DIY saves $2,179, and you are betting that you will not lose more than that to a pricing error, a hard negotiator, or a slow sale. I am not going to tell you that bet never pays; on the first two cases above it usually does. On the other three it usually does not.
If you do go DIY, do these five things
1. Pull the last 12 months of transactions for your block and flat type from the HDB portal, then look at what is listed near you right now. Price against both.
2. Register the Intent to Sell before you list. The 7-day cooling period runs from registration, and you cannot grant an option before it ends.
3. List on the HDB Flat Portal, then ask around: neighbours, colleagues, the block's Facebook group. Get a floor plan and decent daylight photos; a phone video walkthrough helps.
4. Ask every enquiry three questions before a viewing: do you have an HFE letter, what loan does it approve, how much cash do you have above valuation.
5. Write what stays (air-conditioning, built-ins, heater) into the option, and do not sign anything you have not read twice.
What I would do
If I owned a 4-room in a block that sells every month and my cousin wanted it, I would do it myself and buy her dinner with the savings. If I were an upgrader with a new flat coming, or my flat were the kind that needs to be found rather than the kind that gets found, I would pay a fixed fee, ask to see the agent's last five sales, and spend my weekends doing something else. The last-five-sales test applies to me too: all 90 are on the sell page.
Frequently asked questions
Can I list my HDB flat on PropertyGuru myself?
No. PropertyGuru and 99.co take listings from licensed agents only. Owners can list free on the HDB Flat Portal's resale listing service, and on Carousell or Facebook groups.
Will buyers' agents still bring buyers to a DIY listing?
Yes, if they find it. Since July 2024 a buyer's agent is paid by their buyer, so they have no reason to avoid you; some may still ask you for a fee, and you can say no.
Do I need a lawyer to sell my HDB flat?
You need conveyancing, but HDB's own solicitors can act for you at a modest fee deducted at completion. Most DIY sellers use them.
Can I use HDB's valuation before I price the flat?
No. HDB only values the flat after an option is granted, on the buyer's request. Before that, you price from recent transactions, which are public on the HDB portal.
What if I start DIY and it does not sell?
Nothing stops you engaging an agent later, but by then the listing is stale and the early buyers have moved on. If you are going to try DIY, price it right in week one; the first month is when the attention is.
What does your $1,999 cover?
$1,999 plus 9% GST, $2,179 all in: pricing, photography and video, listings on the portals and a home tour on my channels, viewings, screening, negotiation and the HDB process to completion. No exclusive agreement to sign.
Licensed real estate salesperson, CEA R051864Z. 90 homes sold across 22 towns, 77 of them HDB. Author of the C.H.O.I.C.E. framework and the book Sell & Buy Properties Start with C.H.O.I.C.E. I sell for a fixed $1,999 plus GST instead of 2%, with no exclusive agreement to sign.
Not sure which of the five cases your flat is? Send me the block and flat type on WhatsApp and I will tell you straight, including if the answer is "do it yourself".
WhatsApp James · +65 8688 0009