Market Valuation
AVM built on Kadaster Koopsom plus six comparable nearby sales — know if you're overbidding before you submit.
- €685,000 estimate · +25% since 2020
- 6 comparables within 500m
- WOZ trend 2018–2024
Kadaster Koopsom API


Valuation, legal history, foundation risk and 50+ Kadaster data points — every number you need before you bid.
Built on official Dutch sources
Every number is fetched on demand from Kadaster, BAG, CBS, RIVM and EP-Online. Never scraped, never estimated without disclosure, never cached longer than 24 hours.
AVM built on Kadaster Koopsom plus six comparable nearby sales — know if you're overbidding before you submit.
Kadaster Koopsom API
Active mortgages, easements and WKPB restrictions — straight from the land registry, not scraped.
Kadaster Objectinformatie
Foundation type by build year, asbestos risk, flood zones and earthquake data — the things agents won't tell you.
RIVM · RVO · AHN
Noise levels, air quality, transit score, Natura2000 and school proximity — full context for the neighbourhood.
CBS · PDOK · Overpass OSM
Direct Kadaster access, English-first, Vastu-aware. Every other tool stops at WOZ.
| Feature | Free | HuisValue Pro | Huispedia | WOZ |
|---|---|---|---|---|
| AVM valuation estimate | Partial | |||
| Transaction history | Partial | |||
| Ownership & mortgage data | ||||
| Legal encumbrances (WKPB) | ||||
| Foundation risk scoring | ||||
| Vastu direction score |
Type, read, and (optionally) unlock. Most users never need step three — the free report is already more than what other tools sell you.
01PDOK BAG autocomplete delivers instant suggestions as you type. Every registered address — Damrak to Delfzijl — no exceptions.
Powered by PDOK Locatieserver
02Building facts, energy label, foundation risk and AVM valuation in under 10 seconds. No sign-up. No credit card. No friction.
BAG · EP-Online · CBS · PDOK
03Full transaction history, current ownership, mortgage data and comparable sales — direct from Kadaster. Instant PDF export included.
Kadaster Koopsom · Eigendom
Real Kadaster data
Direct from the Dutch land registry via official APIs — never scraped, never fabricated, never cached longer than 24 hours.
English-first
Built for expats and international buyers navigating the Dutch market for the first time. Every term explained, no jargon.
Vastu-aware
Unique direction scoring for Indian community buyers. No other Dutch property tool offers this — you'd have to compute it yourself.
Pricing
Pro unlocks official transaction history, ownership records and legal encumbrances.
3 reports / month · No account needed
or €9.95 / mo — unlimited · Full Kadaster
API access & white-label for brokers
Kadaster charges €6–7 per property lookup. We cache results, so after the first query, repeat lookups cost us ~€0. Cache hit rates in dense urban areas reach 75%+, giving us 85%+ gross margins at scale.