haio Research

Tools for property research in Singapore

Six questions people actually ask about a property, the source that answers each one best, and what it costs. haio is one of the sources listed here. We say where we stop.

1. Who owns this property, and what is registered against the title?

Go to the Singapore Land Authority.

SLA maintains the Register of Deeds and the Land Titles Register, and serves searches through INLIS: title information, title information with a survey map, ownership information and lot particulars. There is no subscription. You pay per search, and if you own the property and have Singpass you can view your own title for nothing.

This is the legal question, and it is the one question on this page where the answer is a register rather than a market. haio holds no ownership records and has no plan to.

2. What are the official market statistics?

Go to URA and data.gov.sg first. Consider REALIS if you do this professionally.

URA publishes a free public transaction search and free market statistics: price indices, rental indices, supply in the pipeline. HDB resale transactions are published free on data.gov.sg under an open data licence. Between them those two cover most of what a member of the public needs, at no cost and with no account.

REALIS is URA’s paid subscription service. In URA’s own description it gives subscribers unit-level sale transaction information, including address, type of sale, transacted price, date of sale, tenure and unit size, updated twice a week, with filters that search individual units across projects, across private residential, commercial and industrial property.

Two things about REALIS are worth knowing before you subscribe. Its records carry the unmasked unit number, which is the thing the free URA feed does not give you. And it does not cover HDB at all.

We are a REALIS subscriber. Every unit number and landed house number on haio comes from it, which is also why you can hold us to those figures but cannot rebuild them from data.gov.sg.

3. What is on the market right now, and who do I call?

Go to the listings marketplaces.

By its own account, PropertyGuru carries close to 2 million listings and sees around 30 million visits a month, serving home seekers, agents and developers. If what you want is to see what is available and reach the agent handling it, that is where both the inventory and the agents are. haio is not a marketplace and does not try to be one: we have no listings inventory and no agent directory.

Its research products sit on its agent-facing platform rather than the consumer site, so they are generally not what a member of the public ends up using.

4. What is this worth, and is it a good deal?

EdgeProp and haio both answer this, differently.

EdgeProp’s own app listings cover HDB, condo, landed, industrial and commercial, and lists an instant free valuation, a deal check, historical price and transaction records, MRT and school proximity search, an en-bloc calculator, and a view that compares prices and floorplans across storeys and stacks. If you want one tool that spans every asset class, that is a wider brief than ours. We are residential only.

haio gives a valuation for a specific address with an uncertainty range attached, never a single number presented as precise, alongside the comparable sales the estimate was built from and the adjustments applied to each one. The estimate needs a free account. The transaction record underneath it does not.

5. What has this specific address actually sold for?

This is the question haio was built for.

Every HDB block, condo project and landed address on haio has its own permanent page. No account to open it, no search wizard, no tool to drive. The URL is stable, so you can cite it, bookmark it, or send it to someone and know they will see the same thing.

Where free stops, precisely:

  • No account. The page loads. The five most recent sales show in full: month, size, price and price per square foot, plus the price chart and the block or project facts. The rest of the sale list, and every analysis section below it, stay on the page but blurred and inert behind a sign-up prompt. The section headings stay sharp, so you can see what you have not opened.
  • Free account. The whole page unblurs: the full sale list, every analysis section, and the valuation estimate with its uncertainty range and the comparables behind it. On a condo or apartment address, the ten most recent sales also carry the exact unit and the exact sale day. An HDB or landed sale carries no unit number at all, in our records or in any feed we know of, and section 6 says why.
  • haio+. On a condo or apartment, the eleventh sale backwards keeps its unit and exact day behind the subscription. The full valuation report and the exit and supply analysis are haio+ on every property type.

That last line is why our own structured data marks a property page isAccessibleForFree: false rather than claiming the page is free outright. Parts of it are genuinely gated, so saying otherwise in markup Google reads would be a lie told to a machine.

6. Where do these numbers come from, and what is missing from them?

Every figure on haio traces back to a named feed.

Our methodology page names every feed we use, what each one carries, how often it refreshes, live coverage counts, and a section headed “what this dataset cannot tell you”. The short version of the source list:

  • URA private resale caveats, from 1995 onward. Free and public. Price, date, area, project and a floor band such as “07 TO 09”. No unit number.
  • HDB resale transactions via data.gov.sg. Free, full historical depth, a storey range rather than a floor or a unit.
  • REALIS, URA’s paid service. The only source here that carries the unmasked unit on a private sale and the house number on a landed sale.
  • SLA OneMap for the landed registry and addressing, URA Master Plan for land use, MOE for primary school registration, LTA DataMall and OpenStreetMap for commutes, and MAS for mortgage rates.

The honest consequence of that list: unit-level detail is a condo and apartment story only. An HDB resale carries a storey range and never a unit, in our records and in every feed we know of. A landed sale has no unit to carry, because on a house the number is the address itself, and REALIS is what lets us give each landed house its own page.

The short version

SourceWhat it answers bestCost to a member of the public
SLA (INLIS)Who owns it, and what is registered against the titlePay per search. No subscription
URA Property Market Information and data.gov.sgOfficial statistics, price and rental indices, supply in the pipeline, and a free transaction searchFree, no account
REALIS (URA)Unit-level private, commercial and industrial transactions, with bulk downloadPaid subscription
PropertyGuruWhat is for sale or rent right now, and which agent to callFree to browse
EdgePropIts own valuation and deal checks, and analytics that its app listings say span residential, industrial and commercialFree app, with paid tiers
haioWhat one specific address has sold for, and what it is worth now, with the workings namedFree to look up. See the limits below for where free stops

Figures for each source come from that source’s own published material, read on 23 August 2026. Prices and product tiers change. Check the source before relying on a figure here.

What each of these does not do

Ours included. This is the part that decides whether the rest of the page is worth trusting.

  • SLA answers the legal question, not the market one. A title search will not tell you what the unit next door sold for.
  • URA’s free feeds stop at a floor band on private sales and a storey range on HDB. That is a deliberate masking decision, not a gap in the data.
  • REALIS does not cover HDB, and it is priced and licensed for professionals rather than for someone checking one address.
  • PropertyGuru is a marketplace. Its own site lists its research products under its agent offerings rather than on the consumer site, so a member of the public is generally not the reader they were built for.
  • EdgeProp covers asset classes we do not, so for industrial or commercial work it is the wider tool. We have described it only from its own published app descriptions, because its site does not answer automated requests from here and we will not characterise a competitor from something we could not read.
  • haio is residential only: HDB, condo and landed. No commercial or industrial records, no ownership or title information, no agent directory. Of the 93,147 landed addresses we surface, 46,904 (50%) come from the SLA polygon registry alone: we have a postal address but no transaction has ever been recorded against it, and those pages say so on their face. Our valuation estimate needs a free account, and on a condo or apartment the sale history past the ten most recent sales keeps its unit and exact day behind haio+.

If what you need is on that list, one of the other five is the right tool for it.

Why we publish this

We are one source among six here and we are the best answer to one of the six questions. A page that pointed only at ourselves would not be worth reading, and would not be worth citing.

haio Research is the part of haio with sources and a method attached. Every figure on the site traces back to a named feed, and those feeds are listed on one page you can read before you trust anything we say. Think a figure here is wrong or out of date? Tell us at [email protected] and we will check it against the source.