Postcode 3121 Schiedam
About 3,520 people live in postcode area 3121 in Schiedam, in 1,560 households.
The average home value (WOZ) was €392,000 in 2023, up 81% from €217,000 in 2016.
70% of homes are owner-occupied, 19.5% are apartments and 5.4% were built before 1945.
Liveability is in the top 48% of Dutch postcode areas (Leefbaarometer 2024).
Check an address in 3121
Year built, floor area and neighbourhood facts for one home. Free.
Home values over time
| 2016 | €217,000 |
| 2017 | €222,000 +2.3% |
| 2018 | €230,000 +3.6% |
| 2019 | €249,000 +8.3% |
| 2020 | €285,000 +14.5% |
| 2021 | €315,000 +10.5% |
| 2022 | €339,000 +7.6% |
| 2023 | €392,000 +15.6% |
Average WOZ value (municipal tax valuation) of homes in this postcode area, CBS.
Who lives here
| Age 0–14 | 15.9% |
| Age 15–24 | 10.1% |
| Age 25–44 | 19.7% |
| Age 45–64 | 27.3% |
| Age 65+ | 27% |
| Single-person households | 32.4% |
| Families with children | 36.5% |
| Average household size | 2.3 |
| Median household income | – |
| Urbanity | strongly urban |
CBS 2024
Homes
| Homes | 1,565 |
| Owner-occupied / rented | 70% / 30% |
| Social housing | 27.2% |
| Apartments | 19.5% |
| Built before 1945 | 5.4% |
| Built 2015 or later | 6.1% |
| Average gas use | 880 m³ a year |
| Average electricity use | 2,600 kWh a year |
Distance to everyday places
| Supermarket | 0.7 km |
| GP | 0.7 km |
| Pharmacy | 0.8 km |
| Primary school | 0.7 km |
| Secondary school | 1 km |
| Daycare | 0.4 km |
| Train station | 3.8 km |
| Hospital | 2 km |
| Library | 0.9 km |
| Swimming pool | 1.6 km |
Average road distance for residents, CBS.
Schools in 3121
| Primary school | Distance | Target level reading / maths |
|---|---|---|
| Het Windas public (non-denominational) · 370 pupils | Nachtegaallaan 2 | 92.6% / 66.7% |
| IKC Kethel Protestant Christian · 271 pupils | Vlaardingseweg 23 | 73.2% / 47.5% |
Share of pupils leaving at the target level (2F reading, 1S maths) on the end-of-primary test, 2024. National: 73.7% / 43.3%.
Neighbourhoods in 3121
Kethel-dorp · Zwaluwbuurt · Tuindorp · Beatrixpark · Bachplein · De Gaarden en Windas
Crime, liveability breakdown and more per neighbourhood.
Nearby postcodes
3122 Schiedam · 3119 Schiedam · 3123 Schiedam · 3118 Schiedam · 3124 Schiedam · 3117 Schiedam · 3125 Schiedam · 3116 Schiedam · 3114 Schiedam · 3112 Schiedam
Sources: CBS Statistieken per postcode (via PDOK), Leefbaarometer 3.0. Figures are averages for the postcode area. AI agents: factline.dev/llms.txt.