Postcode 1831 Koedijk
About 2,395 people live in postcode area 1831 in Koedijk (municipality Alkmaar), in 1,090 households.
The average home value (WOZ) was €350,000 in 2023, up 82% from €192,000 in 2016.
60% of homes are owner-occupied, 15.5% are apartments and 16% were built before 1945.
Liveability is in the top 73% of Dutch postcode areas (Leefbaarometer 2024).
Check an address in 1831
Year built, floor area and neighbourhood facts for one home. Free.
Home values over time
| 2016 | €192,000 |
| 2017 | €197,000 +2.6% |
| 2018 | €206,000 +4.6% |
| 2019 | €226,000 +9.7% |
| 2020 | €248,000 +9.7% |
| 2021 | €266,000 +7.3% |
| 2022 | €289,000 +8.6% |
| 2023 | €350,000 +21.1% |
Average WOZ value (municipal tax valuation) of homes in this postcode area, CBS.
Who lives here
| Age 0–14 | 14.2% |
| Age 15–24 | 11.3% |
| Age 25–44 | 19.6% |
| Age 45–64 | 28.6% |
| Age 65+ | 26.1% |
| Single-person households | 33.9% |
| Families with children | 33.9% |
| Average household size | 2.2 |
| Median household income | – |
| Urbanity | moderately urban |
CBS 2024
Homes
| Homes | 1,095 |
| Owner-occupied / rented | 60% / 40% |
| Social housing | 37% |
| Apartments | 15.5% |
| Built before 1945 | 16% |
| Built 2015 or later | 0.9% |
| Average gas use | 930 m³ a year |
| Average electricity use | 2,430 kWh a year |
Distance to everyday places
| Supermarket | 0.5 km |
| GP | 0.8 km |
| Pharmacy | 1.9 km |
| Primary school | 0.7 km |
| Secondary school | 2.6 km |
| Daycare | 0.5 km |
| Train station | 4.7 km |
| Hospital | 6.1 km |
| Library | 3.4 km |
| Swimming pool | 5.1 km |
Average road distance for residents, CBS.
Schools in 1831
| Primary school | Distance | Target level reading / maths |
|---|---|---|
| Openbare Basisschool Zandloper public (non-denominational) · 211 pupils | Schoolstraat 15 | 78.9% / 40.5% |
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 1831
Koedijk en De Weijdt · Landelijk gebied Noord
Crime, liveability breakdown and more per neighbourhood.
Nearby postcodes
1832 Koedijk · 1829 Oudorp · 1834 Sint Pancras · 1827 Alkmaar · 1826 Alkmaar · 1825 Alkmaar · 1824 Alkmaar · 1823 Alkmaar · 1822 Alkmaar · 1821 Alkmaar
Sources: CBS Statistieken per postcode (via PDOK), Leefbaarometer 3.0. Figures are averages for the postcode area. AI agents: factline.dev/llms.txt.