Neighbourhood Onderdendam

Neighbourhood in district Bedum · municipality Het Hogeland · Groningen

  • 238 homes
  • 485 inhabitants
  • avg. year of construction 1924
  • avg. WOZ € 261.000

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 Onderdendam

Homes
238
addresses with residential function (BAG)
Average build year
1924
Average living area
152 m²
Housing stock (CBS)
240
2025

Home type

  • Detached 47% 112
  • Semi-detached house 24% 56
  • Mid-terrace house 15% 35
  • End-terrace house 13% 31
  • Apartment 2% 4

Energy label

  • A or better 8% 20
  • B 5% 11
  • C 14% 33
  • D 15% 35
  • E 6% 15
  • F 9% 22
  • G 43% 102

Building period

  • Built before 1945 56% 134
  • 1945–1969 19% 45
  • 1970–1989 19% 46
  • 1990–2009 3% 6
  • 2010 and later 3% 6
  • Unknown 0% 1

Residents

Residents
485
January 1, 2025
Households
225
avg. 2,1 people
One-person households
36%
Households with children
29%
Population density
1.556
inhabitants per km²
Area
0,3 km²
of which 0,0 km² water

Age distribution

  • 0–15 years 14% 70
  • 15–25 years 8% 40
  • 25–45 years 24% 115
  • 45–65 years 29% 140
  • 65 years and older 25% 120

Housing and value

Average WOZ value
€ 261.000
CBS 2024
Owner-occupied homes
79%
Rental homes
21%
13% housing association
Single-family homes
98%
2% multi-family
Built in the last 10 years
3%
Unoccupied properties
5%
New build in the year
0
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
2.570 kWh
per dwelling per year
Avg. feed-in
1.130 kWh
solar power per home
Avg. gas consumption
1.120 m³
per dwelling per year
Homes with solar panels
59%
Gas-free
3%
Mainly electrically heated
7%
Heating (WarmteAtlas)
97% central heating, 2% 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
3,8 km
avg. distance
General practice
3,9 km
avg. distance
Primary school
3,7 km
avg. distance
Daycare
300 m
avg. distance
Schools within 3 km
0
Urbanity
Non-urban
88 addresses per km²
Cars per household
1,2
285 passenger cars
Company locations
55
of which 5 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)
52 dB
municipality 47 dB
Homes with road traffic above 55 dB
34%
municipality 9%
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
13%
municipality 3%

Noise level of the 238 homes

  • up to 45 dB: very quiet 24% 57
  • 46–50 dB: quiet 24% 58
  • 51–55 dB: moderately 21% 51
  • 56–60 dB: busy 21% 50
  • 61–65 dB: noisy 9% 22

Flooding

Homes that may flood
100%
municipality 91%
Of which more than 0.5 m water
100%
Of which more than 2 m water
1%
Maximum water depth
2,1 m
average 1,2 m where it floods

Air, light and green

NO₂
6,4 µg/m³
0% above WHO advice (10)
PM2,5
6,0 µg/m³
100% above WHO recommendation (5)
PM10
12,0 µg/m³
0% above WHO advice (15)
Night lighting
Dark
municipality: dark
Green within 500 m
82%
municipality 67%

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)
98%
municipality 97%
Urban heat island effect
0–0,2 °C
on average warmer than the surrounding area
Homes with a cool spot within 300 m
100%
municipality 94%
Homes with moderate or high flood risk
4%
municipality 1%
Homes with increased risk of groundwater nuisance in 2050
0%
municipality 36%
Homes with a stormwater channel alongside the house
8%
municipality 9%
Homes in the magnetic field zone of a high-voltage line
0%
municipality 0%
Homes within 1 km of a wind turbine
77%
municipality 37%

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
6
Sep 2025 – Aug 2026
Registered crimes
3
-82% vs. the previous year
Residential burglaries per 1,000 homes
0,0
0 burglaries
Municipality
23
per 1,000 inhabitants
Netherlands
45
per 1,000 inhabitants

Types of crimes (last 12 months)

  • Mishandeling 67% 2

Per year

  1. 22021
  2. 42022
  3. 82023
  4. 112024
  5. 102025

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

More than sufficient Liveability meter 2024

very insufficientexcellent

Liveability
More than sufficient
class 6 of 9, measurement 2024
Score
4,09
−0,01 vs. the national average
Since the previous measurement
−0,05
measurement 2022: Good
Municipality
Good
score 4,12

Five dimensions, deviation from the national average

  • Physical environment green, water, buildings, noise −0,03 sufficient
  • Housing stock type, construction year, ownership +0,08 good
  • Amenities shops, schools, healthcare, public transport −0,20 more than insufficient
  • Social cohesion population composition, relocations +0,06 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)
−3,2 mm per year
municipality −2,8 mm
Soil subsidence (shallow)
−0,8 mm per year
peat and clay that subside
Expected decrease until 2050
2 cm
high scenario
Homes at risk of pile rot
3,6%
matig, municipality 1,8%
Pile rot in 2050
4,1%
high scenario, drier summers
Difference projection in 2050
1,1%
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

Median household wealth
€ 198.500
Net labour participation
68%
from 15 to 75 years
Self-employed
16%
of the working population
Top 20% incomes
17%
share of people (nationally 20%)