Rentier.io for developers

Developer asking prices across Poland – data for market analysis

Every day we collect the price lists published by developers: every listing, project and price change. We compare them with the AVM valuation, portal listings and transactions from the Real Estate Price Register, and turn them into analyses tailored to your project.

Listings and projectsprices, areas, change history
Market comparisonAVM, portals, register transactions
Analyticscustom analyses and reports

Illustrative example – project names, developers and figures are fictitious.

Clients and partners
CBREEchoKancelaria Prawa HTPsimpl.rentVantageTektonSonarHomeKingdomHomePriceDigital BrokerPFR NieruchomościDeveliaEteria
Data scope

Every listing, project and price change

We combine developer price lists into one database: from a single unit to summaries per project and developer, with full price history.

850k+listings since 2025: apartments, houses, parking spaces and commercial units
8k+development projects across Poland
dailyupdates of price lists and price changes
3 sourcesfor comparison: AVM valuation, portals, register transactions
Prices and change history

Every listing with price, price per m², area and the full history of price rises and cuts since first publication.

Competition nearby

Projects and listings within 250 m to 2 km, split into primary and secondary market.

Market comparison

Developer price compared with the AVM valuation, the median of portal listings and transactions from the Real Estate Price Register.

Projects and developers

Summaries per project and developer: number of listings, average area, price per m² and balance of price changes.

Market comparison

Developer price against the market

For every unit you can see how its price compares with the AVM valuation, portal listings and transactions nearby, and how it has changed since first publication.

AVM valuation

Estimated unit value from our AVM models – the same engine that powers the widget and the valuation API.

Portal listings

Median asking price of portal listings within a chosen radius, split into primary and secondary market.

Register transactions

Notarial deeds from the Real Estate Price Register – median transaction price of similar units nearby.

Use cases

What the data is useful for

The same data supports day-to-day competitor tracking and decisions about new projects.

Competitor analysis

Prices, areas and price changes in projects near yours – who cuts, who raises and by how much.

Setting the price list

A benchmark for pricing units: price per m² nearby, AVM valuation and transaction prices.

Planning projects

Prices and offer structure in chosen cities and districts as input for location analysis and business plans.

Market monitoring

Regular summaries of price changes and new listings in your market – in an agreed format and frequency.

Analytics

Custom analyses and reports

Beyond the data, we prepare market analyses: price trends in cities and districts, asking and transaction prices, property valuation and rent estimation. See what we calculate every day.

See market analyses →

Frequently asked questions

From the price lists published by developers. We download them every day and record every price change, so you can see the full history of a listing since first publication.

Let’s talk about data for your project

Tell us which market you are interested in and what you need the data for. We will prepare a proposal tailored to your needs.

I am interested in:

The controller of personal data is Rentier Analytics Sp. z o.o. with its registered office in Warsaw, 00-682, Hoża 86/410. The data entered in to the contact form will be processed in order to respond to the request in accordance with the Terms and Conditions and Privacy Policy.

Clients and partners
CBREEchoKancelaria Prawa HTPsimpl.rentVantageTektonSonarHomeKingdomHomePriceDigital BrokerPFR NieruchomościDeveliaEteria