Neighbourhood Sonnenborgh

Neighbourhood in district Sonnenborgh en omgeving · municipality Leeuwarden · Fryslân (Friesland)

  • 956 homes
  • 1.740 inhabitants
  • avg. year of construction 1948
  • avg. WOZ € 219.000

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 Sonnenborgh

Homes
956
addresses with residential function (BAG)
Average build year
1948
Average living area
93 m²
Housing stock (CBS)
956
2025

Home type

  • Mid-terrace house 42% 404
  • Apartment 42% 400
  • End-terrace house 13% 121
  • Semi-detached house 2% 22
  • Detached 1% 9

Energy label

  • A or better 8% 75
  • B 7% 64
  • C 15% 139
  • D 12% 116
  • E 9% 88
  • F 26% 248
  • G 17% 166
  • No label 6% 60

Building period

  • Built before 1945 64% 615
  • 1945–1969 22% 212
  • 1990–2009 9% 84
  • 2010 and later 5% 44
  • Unknown 0% 1

Residents

Residents
1.740
January 1, 2025
Households
990
avg. 1,7 people
One-person households
53%
Households with children
24%
Population density
9.011
inhabitants per km²
Area
0,2 km²

Age distribution

  • 0–15 years 13% 230
  • 15–25 years 16% 280
  • 25–45 years 33% 570
  • 45–65 years 22% 385
  • 65 years and older 16% 275

Housing and value

Average WOZ value
€ 219.000
CBS 2024
Owner-occupied homes
55%
Rental homes
45%
22% housing association
Single-family homes
58%
42% multi-family
Built in the last 10 years
5%
Unoccupied properties
3%
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
1.920 kWh
per dwelling per year
Avg. feed-in
410 kWh
solar power per home
Avg. gas consumption
840 m³
per dwelling per year
Homes with solar panels
21%
Gas-free
5%
Mainly electrically heated
7%
Heating (WarmteAtlas)
91% central heating, 3% block, 5% electric
2022
Geothermal potential
30-50%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
300 m
avg. distance
General practice
700 m
avg. distance
Primary school
300 m
avg. distance
Daycare
300 m
avg. distance
Schools within 3 km
15
Urbanity
Highly urbanised
2.901 addresses per km²
Cars per household
0,7
678 passenger cars
Company locations
175
of which 30 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)
56 dB
municipality 53 dB
Homes with road traffic above 55 dB
32%
municipality 20%
Homes with rail traffic above 55 dB
0%
municipality 0%
Homes with air traffic above 48 dB
0%
municipality 3%
Homes with wind turbine noise above 40 dB
0%
municipality 0%
's nachts wegverkeer boven 50 dB
23%
municipality 8%

Noise level of the 956 homes

  • 46–50 dB: quiet 0% 2
  • 51–55 dB: moderately 68% 647
  • 56–60 dB: busy 10% 99
  • 61–65 dB: noisy 21% 201
  • 66–70 dB: very noisy 1% 7

Flooding

Homes that may flood
0%
municipality 26%
Of which more than 0.5 m water
0%
Of which more than 2 m water
0%
Maximum water depth
none

Air, light and green

NO₂
7,6 µg/m³
0% above WHO advice (10)
PM2,5
6,4 µg/m³
100% above WHO recommendation (5)
PM10
12,7 µg/m³
0% above WHO advice (15)
Night lighting
Dimmed
municipality: dim
Green within 500 m
35%
municipality 47%

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
46 °C
extreme heat stress
Homes with extreme heat stress (41 °C or higher)
97%
municipality 93%
Urban heat island effect
0,8–1,0 °C
on average warmer than the surrounding area
Homes with a cool spot within 300 m
98%
municipality 96%
Dry floor at the most severe flood
100%
Homes with increased risk of groundwater nuisance in 2050
0%
municipality 14%
Homes with a stormwater channel alongside the house
14%
municipality 11%
Homes in the magnetic field zone of a high-voltage line
0%
municipality 1%
Homes within 1 km of a wind turbine
0%
municipality 14%

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
36
Sep 2025 – Aug 2026
Registered crimes
62
-14% vs. the previous year
Residential burglaries per 1,000 homes
6,3
6 burglaries
Municipality
53
per 1,000 inhabitants
Netherlands
45
per 1,000 inhabitants

Types of crimes (last 12 months)

  • Fietsdiefstal 19% 12
  • Woninginbraak 10% 6
  • Diefstal uit auto 10% 6
  • Bedreiging 6% 4
  • Vernieling 5% 3
  • Inbraak schuur/garage 2% 1
  • Mishandeling 2% 1
  • Drugshandel 2% 1

Per year

  1. 702021
  2. 752022
  3. 492023
  4. 552024
  5. 802025

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
4,17
+0,07 vs. the national average
Since the previous measurement
+0,01
measurement 2022: Good
Municipality
Good
score 4,13

Five dimensions, deviation from the national average

  • Physical environment green, water, buildings, noise +0,00 sufficient
  • Housing stock type, construction year, ownership −0,01 sufficient
  • Amenities shops, schools, healthcare, public transport +0,08 more than sufficient
  • Social cohesion population composition, relocations −0,03 sufficient
  • Nuisance and insecurity crime and nuisance +0,03 sufficient

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)
−1,6 mm per year
municipality −1,9 mm
Soil subsidence (shallow)
−0,3 mm per year
peat and clay that subside
Expected decrease until 2050
2 cm
high scenario
Homes at risk of pile rot
1,8%
laag, municipality 3,1%
Pile rot in 2050
1,8%
high scenario, drier summers
Difference projection in 2050
0,3%
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
€ 49.400
Net labour participation
74%
from 15 to 75 years
Self-employed
10%
of the working population
Top 20% incomes
15,1%
share of people (nationally 20%)