source: developer's website

STREFA.57 KOSTROGAJ

Bielska, Płock, woj. mazowieckie

301 440 zł
price from
~1539 zł
instalment from (estimate)
10 425
median zł/m²
92
21/10/2026
flats in the developer's price list
Escrow account: Open - funds released in tranches during constructionPrices +4,1% in 90 days · 89 flats

Flats for sale

92 flats from the developer's price list

Flats for sale

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Location

7.0/ 10
To the centre5.3/10

Moderate commute time to the centre.

Daily life10.0/10

Shops, pharmacies and services right nearby.

For family7.7/10

Schools and kindergartens within easy reach.

Peace & greenery6.0/10

Some greenery, audible street noise.

Red flags

  • Close to a busy street - elevated noise.
Getting around
  • Płock995 m
  • Obr. Westerplatte144 m
    322110111+1
  • Żwirki i Wigury192 m
    18

Nearby infrastructure

Shops10Pharmacies3Parks & squares1Kindergartens5Gyms & fitness clubs1

Primary schools nearby

by 8th-grade exam

Surroundings

60 · 31 mAir: very good

Who is this location for?

Good for
  • People who value shops and services within walking distance.
  • Families who care about schools and kindergartens nearby.
Not for
  • People sensitive to noise and seeking quiet and greenery.
  • Investors expecting a premium location for short-term rental.

Price against the market

Price movement

In the last 90 days the developer raised the price of 89 units · lowered the price of 1 unit(avg +4,1%)
We have tracked this investment since 08.2026.

6 developments within 1,5 km, median 10 600 zł/m². This investment: −1,7% vs neighbours.

Developer and information prospectus

Full legal name
ŻD PŁOCK BIELSKA 1 SP. Z O.O.
KRS
0001183434
Registered
2025
Share capital
5000 zł
Owner
ŻERAŃSKI SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ

Company registered in 2025 - a common pattern: a special-purpose vehicle set up for this project. A KRS fact, not a judgement.

Completed projects listed in the prospectus
2

Listings in this development

2 apartments for sale. Click to see the analysis.

Nearby developments

About the development

STREFA.57 KOSTROGAJ is a development by ŻD PŁOCK BIELSKA 1 SP. Z O.O. in Płock. The asking-price register lists 92 residential units with a price: 4 1-room units, 58 2-room units, 24 3-room units, 4 4-room units, 2 5-room units. Prices start at 301 440 zł, with a median of 10 425 zł/m². Difference against 6 nearby developments within 1,5 km: −1,7%.

Prices of 1-, 2-, 3-, 4- and 5-room flats in STREFA.57 KOSTROGAJ

RoomsUnitsAreaPrice fromMedian
1 room425,1 m²301 440 zł12 150 zł/m²
2 rooms5832,3–50,6 m²332 690 zł10 325 zł/m²
3 rooms2447,3–54,4 m²496 335 zł10 500 zł/m²
4 rooms466 m²643 403 zł9900 zł/m²
5 rooms278,8 m²748 885 zł9500 zł/m²

Frequently asked questions

How much does an apartment in STREFA.57 KOSTROGAJ cost?

The cheapest unit in the asking-price register costs 301 440 zł, and the median price is 10 425 zł/m². These are the developer asking prices, not transaction prices.

What floor areas are available?

Units range 25,1–78,8 m². The register lists: 4 1-room units, 58 2-room units, 24 3-room units, 4 4-room units, 2 5-room units.

How many apartments are still for sale in STREFA.57 KOSTROGAJ?

Of 92 priced units, 92 are not marked as sold in the register. Developers update the status with a delay, so treat this as indicative.

Who is the developer behind STREFA.57 KOSTROGAJ?

The development is run by ŻD PŁOCK BIELSKA 1 SP. Z O.O. (KRS 0001183434). Data comes from the developer asking-price register and the KRS company register.

Are prices here higher than nearby?

The median here is 10 425 zł/m², against 10 600 zł/m² across 6 developments within 1,5 km.

Eyeing a specific apartment? Paste the listing link - we will compare its price against this investment, its neighbours and notarial-deed transactions.

Check a listing

Data comes from the developer asking-price registry (dane.gov.pl, housing price transparency act) and official registries (KRS, MF). Asking prices - not transaction prices. History covers the period since Mieszk.pl started tracking this investment. This is not investment or real-estate advice.