Neighbourhood Koudum

Neighbourhood in district Koudum · municipality Súdwest-Fryslân · Fryslân (Friesland)

  • 1.225 homes
  • 2.605 inhabitants
  • avg. year of construction 1973
  • avg. WOZ € 313.000

Boundary according to the CBS district and neighbourhood map 2024. Zoom in for individual homes; click a home for details. Open in the properties map

Homes in Koudum

Homes
1.225
addresses with residential function (BAG)
Average build year
1973
Average living area
136 m²
Housing stock (CBS)
1.274
2025

Home type

  • Detached 43% 525
  • Semi-detached house 30% 368
  • Mid-terrace house 10% 126
  • End-terrace house 10% 125
  • Apartment 7% 81

Energy label

  • A or better 24% 295
  • B 21% 260
  • C 23% 281
  • D 10% 117
  • E 2% 23
  • F 7% 82
  • G 11% 136
  • No label 3% 31

Building period

  • Built before 1945 15% 186
  • 1945–1969 19% 230
  • 1970–1989 33% 410
  • 1990–2009 25% 303
  • 2010 and later 8% 92
  • Unknown 0% 4

Residents

Residents
2.605
January 1, 2025
Households
1.170
avg. 2,2 people
One-person households
34%
Households with children
29%
Population density
867
inhabitants per km²
Area
3,1 km²
of which 0,1 km² water

Age distribution

  • 0–15 years 16% 405
  • 15–25 years 9% 235
  • 25–45 years 19% 490
  • 45–65 years 25% 660
  • 65 years and older 31% 815

Housing and value

Average WOZ value
€ 313.000
CBS 2024
Owner-occupied homes
65%
Rental homes
34%
27% housing association
Single-family homes
91%
9% multi-family
Built in the last 10 years
7%
Unoccupied properties
6%
New build in the year
13
delivered homes

The WOZ value is the average of all homes in the area (valuation date January 1 of the previous year), not the market value of a specific property.

Energy

Avg. electricity consumption
2.520 kWh
per dwelling per year
Avg. feed-in
1.480 kWh
solar power per home
Avg. gas consumption
990 m³
per dwelling per year
Homes with solar panels
57%
Gas-free
3%
Mainly electrically heated
6%
Heating (WarmteAtlas)
94% central heating, 4% electric
2022
Geothermal potential
>50%kans >5MWth
Slochteren formation

Consumption is the average of all homes with a connection in the area (CBS); the label distribution is shown under "Woningen".

Amenities and accessibility

Large supermarket
600 m
avg. distance
General practice
800 m
avg. distance
Primary school
600 m
avg. distance
Daycare
700 m
avg. distance
Schools within 3 km
1
Urbanity
Non-urban
395 addresses per km²
Cars per household
1,1
1.264 passenger cars
Company locations
340
of which 45 retail and hospitality

Road distances, averaged for all residents of the area (CBS).

Living environment: noise, water, air, light and green

Average noise level (Lden)
50 dB
municipality 50 dB
Homes with road traffic above 55 dB
4%
municipality 10%
Homes with rail traffic above 55 dB
0%
municipality 0%
Homes with air traffic above 48 dB
0%
municipality 0%
Homes with wind turbine noise above 40 dB
0%
municipality 1%
's nachts wegverkeer boven 50 dB
1%
municipality 3%

Noise level of the 1.225 homes

  • up to 45 dB: very quiet 10% 120
  • 46–50 dB: quiet 53% 655
  • 51–55 dB: moderately 26% 318
  • 56–60 dB: busy 8% 101
  • 61–65 dB: noisy 2% 29
  • 66–70 dB: very noisy 0% 2

Flooding

Homes that may flood
38%
municipality 66%
Of which more than 0.5 m water
15%
Of which more than 2 m water
0%
Maximum water depth
1,4 m
average 0,4 m where it floods

Air, light and green

NO₂
5,3 µg/m³
0% above WHO advice (10)
PM2,5
6,3 µg/m³
100% above WHO recommendation (5)
PM10
12,4 µg/m³
0% above WHO advice (15)
Night lighting
Dark
municipality: dark
Green within 500 m
70%
municipality 65%

Noise: RIVM noise maps (road and rail 2020, aviation 2022, wind turbines 2024), annual average Lden per 10 m, sampled at each address. Flooding: LIWO (Rijkswaterstaat), map of maximum water depth; depth says nothing about probability. Air: RIVM annual average concentrations at 25 m. Light: RIVM light emission map 2023. Green: RIVM green map 2022, share of green within 500 m. Turn the noise map on in the map above.

Climate and safety

Apparent temperature on a hot day
44 °C
extreme heat stress
Homes with extreme heat stress (41 °C or higher)
96%
municipality 97%
Urban heat island effect
0,2–0,4 °C
on average warmer than the surrounding area
Homes with a cool spot within 300 m
98%
municipality 95%
Homes with moderate or high flood risk
0%
municipality 0%
Dry floor at the most severe flood
91%
Homes with increased risk of groundwater nuisance in 2050
77%
municipality 17%
Homes with a stormwater channel alongside the house
11%
municipality 7%
Homes in the magnetic field zone of a high-voltage line
0%
municipality 0%
Homes within 1 km of a wind turbine
66%
municipality 30%

Climate Impact Atlas 2026 (CC BY 4.0): perceived temperature and heat island 2022, cool spots, location-specific flood probability (at least 20 cm water), dry floors, risk of groundwater nuisance 2050 (high scenario), flow paths at 70 mm precipitation per hour; sampled per dwelling. High-voltage lines: RIVM Netkaart with calculation distances. Wind turbines: RIVM. Turn on the heat map on the map above.

Safety

Crimes per 1,000 inhabitants
15
Sep 2025 – Aug 2026
Registered crimes
40
-7% vs. the previous year
Residential burglaries per 1,000 homes
2,4
3 burglaries
Municipality
30
per 1,000 inhabitants
Netherlands
45
per 1,000 inhabitants

Types of crimes (last 12 months)

  • Vernieling 20% 8
  • Mishandeling 15% 6
  • Woninginbraak 8% 3
  • Diefstal uit auto 3% 1
  • Winkeldiefstal 3% 1

Per year

  1. 412021
  2. 482022
  3. 402023
  4. 412024
  5. 482025

Source: police, registered crimes per area (CBS/police open data, monthly figures). Per 1,000 inhabitants based on the area's population; not every crime is reported.

Liveability

Good Liveability meter 2024

very insufficientexcellent

Liveability
Good
class 7 of 9, measurement 2024
Score
4,12
+0,01 vs. the national average
Since the previous measurement
−0,03
measurement 2022: Good
Municipality
Good
score 4,17

Five dimensions, deviation from the national average

  • Physical environment green, water, buildings, noise +0,01 sufficient
  • Housing stock type, construction year, ownership +0,05 more than sufficient
  • Amenities shops, schools, healthcare, public transport −0,20 more than insufficient
  • Social cohesion population composition, relocations +0,07 more than sufficient
  • Nuisance and insecurity crime and nuisance +0,09 good

Source: Leefbaarometer 3.0 (Ministry of the Interior and Kingdom Relations, CC0), biennial estimate based on over a hundred characteristics; the score expresses how residents rate livability on average. Negative = below the national average.

Soil and foundation

Soil subsidence (total)
−1,1 mm per year
municipality −1,7 mm
Soil subsidence (shallow)
−0,0 mm per year
peat and clay that subside
Expected decrease until 2050
1 cm
high scenario
Homes at risk of pile rot
0,8%
laag, municipality 2,6%
Pile rot in 2050
0,8%
high scenario, drier summers
Difference projection in 2050
0,7%
houses on pile with risk

Source: Klimaateffectatlas 2026 (CC BY 4.0): subsidence from satellite measurements (Bodemdalingskaart), foundation risk per neighbourhood (Deltares/KCAF, share of homes with wooden piles or on slab at risk). A neighbourhood average, not a statement about a single property.

Income and work

Avg. income per resident
€ 28.900
per year
Median household wealth
€ 198.300
Net labour participation
69%
from 15 to 75 years
Self-employed
23%
of the working population
Top 20% incomes
11,3%
share of people (nationally 20%)