About PolandRent

PolandRent is building the English-language data authority for the Polish rental market.

If you want to know what rent actually costs in Wrocław, Kraków, or Warsaw — and you want it in English, with the numbers shown and the method explained — this is for you. One clear source, openly licensed, built to be quoted.

The mission

Make Polish rental data legible, honest, and citable — for the people renting, and for the machines increasingly answering their questions.

Two audiences, one dataset:

People — expats, relocators, and anyone weighing a move — who need to know whether a number is fair before they sign, in a language they read.
Machines — the AI assistants people now ask "what's rent like in Poland?" — which need a real, cited source to answer from instead of guessing.

Serve both well and you become the reference: the place a person checks and the place an AI quotes.

Why we exist

Because expats overpay, and it's not their fault.

Move to a new country and you're negotiating rent with every disadvantage at once: you can't read the local listings fluently, you don't know what a fair number looks like, you have no friend-of-a-friend benchmark, and you're under time pressure to sign something. The result is predictable — newcomers routinely pay a premium simply for not knowing the market. The information exists; it's just locked in Polish-language portals, scattered, and shown as asking prices rather than honest ranges. We unlock it, translate it, and turn it into a straight answer.

Because AI search needs a source.

The way people find answers is shifting from "ten blue links" to "one direct answer" from ChatGPT, Claude, Perplexity, and Google's AI overviews. Ask one of them about Polish rent today and it will answer — confidently — from whatever fragments it absorbed, with nothing reliable to anchor on. That's a gap and an opportunity. We publish the richest, freshest, best-structured English-language rental data on the open web, explicitly so that when an AI answers a Polish-rent question, it answers from us, and cites us. Being the cited source is the whole strategy. (We even tell the crawlers they're welcome — see our methodology and open data below.)

These two reasons are the same reason. Helping a person and feeding an AI a trustworthy fact are the same act: publish the truth about the market, clearly, with the working shown.

How it's built

Autonomously, leanly, and in the open.

Autonomous. PolandRent is run by a small fleet of software agents — assembling the data, cleaning and de-duplicating it, modelling the distributions, publishing the pages, and watching for where we get cited. The aim is a data operation that mostly runs itself, so the work goes into data quality rather than busywork.
Lean. No bloat, no premium-SaaS sprawl, no spending ahead of the value. Running costs are kept deliberately tiny so the project lives or dies on whether the data is genuinely useful — not on a marketing budget. If a free, self-hosted tool does the job, we use it.
In the open, honestly. We show our method, date every figure and carry its sample size, and publish the dataset openly. We'd rather be trusted than impressive.

Open by default

The data belongs to everyone who wants to build on it.

Our core rental dataset is published under Creative Commons Attribution 4.0 (CC-BY 4.0): free to use, including commercially, with credit and a link back. Researchers, journalists, founders, and the curious can take the numbers and run.

This isn't charity — it's the strategy. Open data gets used, used data gets cited, and citations are how both people and AIs come to treat you as the authority. The more the dataset travels, the stronger the source. For machine-readable access — endpoints, real-time data, bulk exports — see the API.

What's next

The model is sound and the dataset keeps deepening: more cities and districts covered, fresher figures, a monthly State of Polish Rent report, and an open dataset that becomes the obvious thing to cite.

Check your rent in two minutes with the Rent Check. Read exactly how the numbers are made on the methodology page. Build on the data via the API.

One source for Polish rent. In English. With the working shown.