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УкраїнськаFlat and property prices Ostrołęka 2026
The median flat price in Ostrołęka is PLN 7,199 per m² (transactions from the 12 months until July 2026, 222 notarial deeds). Year on year, prices are falling (-3.2%). This is 22% below the median in Poland (PLN 9,270/m²).
All figures on this page: transactions from August 2025 to July 2026 (part of this period predates the availability of complete county data), changes compared with: ; floor area applies to the tiles at the top, charts, yearly tables, districts, streets and the transaction list (the rooms table includes all floor areas).
City, Mazowieckie Voivodeship voivodeship. Data for until July 2026 (the county office submits deeds with a delay). How we calculate.
Compare property prices: Ostrołęka and another locality
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How flat prices in Ostrołęka are changing: month by month
Recent years, accurate to the month. The long-term year-by-year trend since 2021 is shown below.
There are too few transactions in the selected floor-area range to plot a reliable trend.
Flat prices in Ostrołęka since 2021: year by year
The median price per m² rose from PLN 4,375 in 2021 to PLN 7,232 in 2025 (+65%, nominal prices). Calculated from 1,768 transactions recorded in notarial deeds.
| Year | Median PLN/m² | YoY price | Half of transactions | Transactions | Transactions year on year |
|---|---|---|---|---|---|
| 2026 (until July) | 7,069 | -2.3% | 6,048 ‑ 8,823 | 117 | -29.5% |
| 2025 | 7,232 | +12.8% | 5,942 ‑ 7,992 | 271 | -41.7% |
| 2024 | 6,413 | +15.4% | 5,728 ‑ 7,267 | 465 | -6.6% |
| 2023 | 5,556 | +13.9% | 4,841 ‑ 6,522 | 498 | +46% |
| 2022 | 4,878 | +11.5% | 4,225 ‑ 5,474 | 341 | +76.7% |
| 2021 | 4,375 | - | 3,907 ‑ 4,774 | 193 | - |
YoY: change from the previous year (where the register has complete data for that year). Data for 2026 is incomplete (until July 2026): we compare the price with the whole of 2025, and the number of transactions with the same months of 2025.
How much does a studio flat cost, and how much are 2- and 3-room flats in Ostrołęka
| Type | Median PLN/m² | Typical price | Transactions |
|---|---|---|---|
| Primary market (from a developer) | 7,481 | PLN 421,966 | 28 |
| Secondary market (resale) | 7,069 | PLN 345,000 | 183 |
| studio flat (1 room) | - | - | 0 |
| 2-room flat · typically 39 m² | 8,298 | PLN 317,500 | 38 |
| 3-room flat · typically 49 m² | 7,172 | PLN 339,000 | 96 |
| flat with 4 or more rooms · typically 60 m² | 6,567 | PLN 360,000 | 88 |
Transactions from August 2025 to July 2026. The median is shown only where there were at least 10 transactions. Some deeds do not specify the market type, so the total may be lower than the number of all transactions.
Flat prices on your street
Transactions from August 2025 to July 2026. Streets with at least 5 transactions in this period; you can change the period and floor area at the top of the page. Enter a street name to find it. Click a street row to see all transactions here, with dates, building numbers and prices, or click the street name to go to its page.
| Street | Median PLN/m² | Typical price | Transactions | Latest transaction |
|---|
This street is not on the list: too few flats were sold there during the selected period, or the county office does not provide addresses. Select it from the suggestions above to see individual transactions.
| Deed date | No. | m² | Rooms | Floor | Market | Price | PLN/m² |
|---|
Comments on these data or objection (Article 21 GDPR) (how we process these data).
Source: the Property Price Register (RCN, Polish official register of real-estate transactions), maintained by county heads and city mayors, and, for Łódź, Wrocław and Warsaw, also services and data files provided by these cities, made available by the Head Office of Geodesy and Cartography (RCN WFS service). Compiled using materials from the national geodetic and cartographic resource (Article 40c(3) of the Geodetic and Cartographic Law). We have removed notarial deed numbers, notaries' details, transaction parties and unit numbers; the authorities maintaining the register are not responsible for this compilation. You can change the period at the top of the page; the widest period (from 01.2022) shows all years available in the register here.
What is not here: the register covers only deeds transferring separate ownership of a unit. It does not include sales of cooperative ownership rights to a flat (common in housing cooperative blocks), assignments of developer agreements made before the unit was legally separated, or deeds not yet entered by the county or city office.
The true cost of buying a flat in Ostrołęka
For a typical 2-bedroom flat costing PLN 317,500, you also need to budget for:
| 2% tax on civil-law transactions (secondary market only; first-time flat buyers may be exempt) | PLN 6,350 |
| Notary's fee, maximum rate (plus 23% VAT, certified copies and the land and mortgage register entry; in practice it may be lower) | up to PLN 2,040 |
| Flat renovation (PLN/m² of flat (complete renovation, including materials)) | 2,300 PLN/m² |
| Turnkey flat finishing (PLN/m² (turnkey finish, design, package catalogue materials and labour)) | 3,000 PLN/m² |
| Moving service (PLN per hour of work (vehicle + two-person team)) | 200 PLN/h |
| Energy performance certificate (PLN for a flat's energy performance certificate) | 250 PLN |
| Property valuation report (PLN for a property valuation report (flat)) | 900 PLN/valuation report |
| Bespoke kitchen (PLN per linear metre (lm) of bespoke kitchen cabinets, basic option (laminate)) | 3,250 PLN/linear metre |
| Post-renovation cleaning (PLN/m² (post-renovation cleaning)) | 20 PLN/m² |
Tax and notarial fees calculated from the applicable regulations for the specified price, as an estimate. Services: medians from price lists across Poland; service prices in Ostrołęka.
Houses, plots of land, garages and commercial premises in Ostrołęka
| Type | Median here | Voivodeship | Poland | Transactions (24 months) |
|---|---|---|---|---|
| Houses with a plot of land | 641,000 PLN | 540,000 | 620,000 | 62 from May 2024 to April 2026 |
Property Price Register, entire municipality, open market. We show property types with at least 15 transactions over 24 months.
Questions about flat prices in Ostrołęka
How much does a flat cost in Ostrołęka?
A typical flat in Ostrołęka costs PLN 350,000 (median from 222 transactions over the 12-month period until July 2026, typical floor area 49 m²). 2 rooms: PLN 317,500. 3 rooms: PLN 339,000. 4 rooms or more: PLN 360,000.
How much does a square metre of a flat cost in Ostrołęka?
The median flat price in Ostrołęka is PLN 7,199 per m² (transactions from the 12 months until July 2026, 222 notarial deeds). Half of transactions were between PLN 5,991/m² and PLN 8,330/m². A typical flat had a floor area of 49 m² and cost PLN 350,000.
Are flat prices in Ostrołęka rising or falling?
In May ‑ July 2026, the median price per m² was 3.2% lower than a year earlier, meaning prices are falling. Compared with the previous three months: -0.2%.
Is a new-build flat in Ostrołęka more expensive than a resale flat?
On the primary market (new builds), the median was PLN 7,481/m² (28 transactions), while on the secondary market (resale) it was PLN 7,069/m² (183 transactions), meaning new flats were more expensive by 6%.
How have flat prices in Ostrołęka changed since 2021?
In 2021, the median price per m² was PLN 4,375, compared with PLN 7,232 in 2025, a 65% more (nominal prices from notarial deeds).
Where do these prices come from?
From the Property Price Register maintained by county authorities and made available by the Head Office of Geodesy and Cartography. These are prices from notarial deeds, meaning the amounts for which flats were actually sold, rather than asking prices.