Rolling 3-month median price per square metre for Gangseo-gu (강서구) against the Seoul overall median. Source: CityDataLab factor model, updated monthly.
In the three months to August 2026, the median price of homes sold in Gangseo-gu (강서구) was ₩13,363,947 per square metre, +8.3% on a year earlier and +6.6% on five years earlier. That ranks it 16 of 25 Seoul districts by price per square metre, 1.4% above the city-wide median of ₩13,183,916. Nearest in price: Jongno-gu (종로구) (₩13,713,719) and Seongbuk-gu (성북구) (₩12,835,576).
| Period | Month | Median ₩/m² | Change to latest |
|---|---|---|---|
| Latest | Aug 2026 | ₩13,363,947 | |
| One year earlier | Aug 2025 | ₩12,341,214 | +8.3% |
| Five years earlier | Aug 2021 | ₩12,532,606 | +6.6% |
| First month in the series | Jul 2016 | ₩6,012,602 | +122.3% |
Rolling 3-month window. Gangseo-gu (강서구) shown in the city accent colour; overall in grey.
Both series re-based to 0% at the first valid datapoint.