Vendor comparison

Property data providers for Czechia and Slovakia

There is no single vendor covering the whole Czech and Slovak property data market. Buyers assemble a stack from three layers: price and valuation data, natural hazard risk, and the public cadastral registers underneath both. This page lists who supplies what, where each one is strongest, and which gaps you will have to fill yourself. Sources are each vendor's public site and the Czech and Slovak commercial registers.

The three layers

Price and valuation

Asking prices from the portals, realized transaction prices from the cadastre, rent levels, yields, and automated valuation models built on top of them. The most crowded layer, and the one where Czech coverage is materially deeper than Slovak.

Natural hazard risk

Flood, surface water, windstorm and further perils resolved to an address or parcel, sometimes with modeled water depth and an expected annual loss. A thin layer with few suppliers, and the one insurers treat as a must-have because it sets the loss ratio.

Public registers

The cadastres, statistical offices and central banks. Authoritative, free or near free, and the origin of much of what the commercial layer resells. Rarely usable directly at production volume without engineering work.

Most vendors sell one layer. A smaller number sell two. The practical consequence is that a buyer wanting value and risk on the same address normally integrates two contracts and joins them on an address key, which is the single most common source of coverage mismatch in these projects.

Provider matrix

ProviderMarketsAsking pricesTransaction pricesRent and yieldHazard riskRebuild costAPI
Bytero(this site)Alpue s. r. o.see /coverageYesPartialvia registersYesYesmulti perilYesLiDAR geometryYes
Flat Zoneincl. Valuator, Dataligence, CenováMapa.orgCZ, SKYesYescadastre, deep historyYesNopartners for itPartialhousesYes
IntermapAquarius RMACZ, SK, PLNoNoNoYesmodeled depthNoYes
Valuovaluo.czCZYesYesmatched to advertised offersPartialNoYesreproduction priceYes
ROIPLOTroiplot.comCZ, SK, PL and 7 moreYesmunicipality levelNoYesNoNoYes
BuiltMinddeveloper pricing analyticsSK, CEEYesnew buildNoYesrental pricingNoNoPartial
PriceHubblepan-European AVMCZ, SK not listedPartialPartialPartialNoPartialYes
ČÚZK and ÚGKKCzech and Slovak cadastresCZ, SKNoYesauthoritativeNoNoNoPartialnot bulk oriented

Coverage marks describe what each vendor publishes on its own site. They are not a quality judgment, and none of them is a substitute for asking a vendor for a sample over your own portfolio.

What you should know about each

Flat Zone

The strongest single position in Czechia on the price layer, with cadastral transaction history reaching back years and a valuation API aimed at banks and insurers. Slovak coverage is newer than Czech coverage.

It does not sell natural hazard risk. Where a flood layer appears alongside it, that layer comes from a partner rather than from Flat Zone itself. If you need both layers, you are buying two things.

Intermap

A terrain and hazard company rather than a real estate company, and the strongest hazard option in Czechia. It publishes per address flood depth by return period from hydrodynamic modeling, which is a genuinely higher grade of flood output than zone flags.

It holds no property transaction or valuation data of its own and adds that through partners. Buying Intermap alone gives you risk without value.

Valuo

Czech only, and the closest analogue to a combined market plus reproduction value product. Its distinguishing work is matching advertised offers to realized sales, which is the hard part of building a Czech AVM.

No hazard layer, and no Slovak coverage.

ROIPLOT

Broad European municipality level coverage of price per square meter, rent per square meter and gross yield, aggregated from public asking prices, with an API. Genuinely useful for screening markets.

Municipality level is the ceiling. It will not answer a question about a specific building, and it is asking price data rather than realized transactions.

BuiltMind

A pricing tool for residential developers selling new build units, not a valuation service for banks or insurers. Named clients are institutional Slovak and CEE developers.

Listed here because it is often grouped with valuation vendors in market overviews. It answers a different question.

PriceHubble

The name most often raised as the international standard for bank grade AVMs in Europe, and strong in the markets it serves.

Its publicly listed coverage does not include Czechia or Slovakia. If a CEE deployment matters to you, ask for a reference in the specific country rather than assuming regional coverage.

Two things that are easy to get wrong

Four Czech brand names, one company

Flat Zone, Valuator, Dataligence and CenováMapa.org are frequently listed as separate vendors in market overviews. They are not. FLAT ZONE s.r.o. (IČO 06682634) absorbed Dataligence s.r.o. (IČO 24160130) on 2 June 2025, and the group sits under the Czech developer Trigema. Valuator is the valuation product, Flat Zone Studio the analytics product. Shortlisting all four is shortlisting one supplier, with the concentration risk that implies.

Verifiable in the Czech commercial register (justice.cz, File C 285258, Municipal Court Prague).

An AVM alone cannot value collateral at origination

Under the EBA Loan Origination and Monitoring Guidelines (EBA/GL/2020/06), binding in Czechia through ČNB and in Slovakia through NBS, an automated valuation model cannot be the sole basis for valuing immovable property collateral at loan origination or at a triggered revaluation. A qualified valuer has to sign off. The same guidelines do permit a standalone AVM for routine portfolio monitoring.

This matters when comparing vendors: any pitch built on replacing the valuer at origination is describing something a regulated lender cannot buy. Portfolio monitoring and mark to market are the lanes where an AVM stands on its own.

Free and official sources

A meaningful share of what vendors resell originates here. If your use case is research rather than production, start with these before buying anything.

ČÚZKCzech cadastre. Ownership, parcels and realized sale prices. REST access exists but is not designed for bulk extraction.
ÚGKK SRSlovak cadastre. Parcels, buildings and ownership. Free API access for commercial use ended in 2025.
ČSÚ and ŠÚ SRCzech and Slovak statistical offices. Realized residential price indices, in Slovakia derived from cadastral contracts.
ČNB and NBSCentral banks. Residential price, affordability, fundamental price and financial stability indicators.
Copernicus and EU Floods DirectiveEuropean flood hazard mapping and member state flood zones. The authoritative fluvial baseline both countries publish.
EurostatComparable house price indices across member states. Useful for cross border normalisation, too coarse for anything local.

Where Bytero fits, and where it does not

Choose Bytero when

  • You need market value, rebuild cost and hazard risk keyed to one address, from one contract, rather than joining two vendors yourself.
  • The market you need is one with few independent options. Which markets are live is on the coverage page, and nowhere else on this site.
  • You need rebuild cost derived from measured building geometry rather than a flat rate per square meter.
  • You want one contract across several markets rather than a vendor per country.

Choose someone else when

  • You need modeled per address flood depth by return period in Czechia. Intermap runs hydrodynamic models and publishes depth by return period. Bytero's fluvial layer uses official EU Floods Directive state zones, and its surface water layer is terrain susceptibility rather than hydrodynamic simulation.
  • You need the deepest Czech transaction price history. Providers buying full cadastral transaction sets have been accumulating Czech records since 2014.
  • Your problem is pricing a new development's unit mix. That is a developer analytics product, not a valuation API.
  • You need commercial real estate transaction intelligence. That is a different category entirely.

How this page is maintained

Every entry is drawn from the vendor's own public website or from the Czech and Slovak commercial registers, and each is re-checked on review. Coverage claims move, so treat anything here as a starting shortlist rather than a contract term. Corrections are welcome and will be applied: a vendor who thinks an entry misrepresents them can write to us and we will fix it.

No pricing is published here because most vendors in this market quote privately.