| Acoustics |
Traffic noise (day/night) |
On-site measurement — class I sound meter |
LDWN ≤ 68 dB / LN ≤ 59 dB |
● Needs verification |
| SKM / tram vibration |
Seismometer, 48h monitoring |
Vibration Dose ≤ 0.1 m/s² |
● Needs verification |
| Port / industrial infrastructure |
Source analysis within 2 km radius |
Low-frequency noise ≤ 25 dB |
● Within norm |
| Nightlife / bars / clubs |
Rating by weekday (Fri–Sat) |
LN ≤ 50 dB in the bedroom |
● Exceeded |
| Ecology |
Air quality (PM2.5 / PM10) |
GIOS station analysis within 3 km |
PM2.5 ≤ 25 µg/m³ annual |
● Within norm |
| Industrial / sewage / chemical odours |
Wind rose + emissions registry |
Wind direction toward residential zone |
● Needs verification |
| Green zones and recreation |
Felling / development plans (MPZP) |
Park within 500 m |
● Within norm |
| Radon and geological factors |
PGA maps + subsoil geology |
Radon risk class ≤ medium |
● Within norm |
| Urban planning |
Development plans for adjacent plots |
MPZP + issued BIP decisions |
Zoning without conflict |
● High-rise development risk |
| Active construction nearby |
Field observation — phase tracking (start / mid / final) |
No active construction < 100 m |
● Needs verification |
| Transport accessibility |
Distance measurement — SKM / tram / bus stops |
Stop within 500 m |
● Within norm |
| Commercial zoning |
Registry of concessions and tenants |
Share of commerce in the complex |
● Within norm |
| Building condition |
Facade and cracks |
Visual inspection (L2+ access) |
No cracks > 2 mm |
● Needs verification |
| Dampness and mould |
Thermal camera + visual inspection |
No traces of leaks or mould |
● Within norm |
| Elevator and engineering systems |
Field test (working / broken / none) |
Working elevator on every floor |
● Needs verification |
| Soundproofing quality |
Interior dB measurement (L3+ access) |
Street ↔ apartment differential ≥ 25 dB |
● Needs verification |
| Safety & legal |
Street lighting and security |
Lux meter + CCTV / intercom check |
Illumination ≥ 20 lux, CCTV present |
● Needs verification |
| Barrier-free access |
Ramp / door width / elevator measurement |
Accessibility compliance verified |
● Needs verification |
| Developer track record |
KRS, lawsuits, media |
No claims > 5% of assets |
● Within norm |
| Ownership / easements |
KW (land register) |
Clean record, no encumbrances |
● Within norm |