Where does the data come from?
Official Dutch public records, together with licensed market data where a valuation needs it. Which registers, and how they are combined, is ours — and it is the part that took the work. What you get instead of a list is better: every figure on a valuation says what kind of source it came from, how current it is, and whether it was measured at your address or published for your neighbourhood.
How accurate is it?
Every valuation carries its own confidence, because accuracy is not one number — it depends on how much is known about that house and how much has recently sold near it. How the model does against real sales is published on our accuracy page.
Is the value just the asking price?
Never. The asking price is set to attract viewings; our value is worked out from comparable sales without it. The gap between the two is shown, because it tells you something about the seller’s tactic.
Do I need an account?
Not to look. You can value a couple of homes a day without one; after that, sign in with Google or with a link sent to your email — no password, no card.
What does Premium add?
The things you act on when a decision costs money: a bid plan to share, the upgrade plan, the market’s next two quarters, comparing up to four homes, the objection letter, and the landlord and investor checks. The value, the reasons and the confidence are never behind a paywall.
Is a figure about my house or my street?
Both kinds appear, and they are never presented as the same thing. A floor area is your dwelling; the distance to a GP is published for your whole neighbourhood and is identical for everyone in it. Each figure says which it is, because a neighbourhood average read as a measurement of your doorstep is how people end up trusting the wrong number.
What if it cannot value my house?
It says so, and says what is missing. That is a better answer than a number nothing supports.
Is it only for the Netherlands?
Yes. The whole country, and the depth comes from being built for one market rather than stretched across several.
Can I use it as an agent or a firm?
Yes. Premium is built for people valuing several houses a week; the institutional plan values whole portfolios and comes with API keys. Write to us.