Neighbourhood De Burcht

Neighbourhood in district Zwammerdam · municipality Alphen aan den Rijn · Zuid-Holland

  • 142 homes
  • 385 inhabitants
  • avg. year of construction 1980
  • avg. WOZ € 377.000

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 De Burcht

Homes
142
addresses with residential function (BAG)
Average build year
1980
Average living area
122 m²
Housing stock (CBS)
143
2025

Home type

  • Mid-terrace house 58% 82
  • End-terrace house 30% 42
  • Detached 10% 14
  • Apartment 3% 4

Energy label

  • A or better 25% 36
  • B 14% 20
  • C 54% 77
  • D 3% 4
  • F 1% 1
  • G 3% 4

Building period

  • Built before 1945 4% 6
  • 1970–1989 94% 134
  • 1990–2009 1% 2

Residents

Residents
385
January 1, 2025
Households
150
avg. 2,4 people
One-person households
23%
Households with children
40%
Population density
921
inhabitants per km²
Area
0,4 km²

Age distribution

  • 0–15 years 17% 65
  • 15–25 years 8% 30
  • 25–45 years 27% 105
  • 45–65 years 25% 95
  • 65 years and older 23% 90

Housing and value

Average WOZ value
€ 377.000
CBS 2024
Owner-occupied homes
67%
Rental homes
33%
31% housing association
Single-family homes
97%
3% multi-family
Built in the last 10 years
0%
Unoccupied properties
0%
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
2.500 kWh
per dwelling per year
Avg. feed-in
1.400 kWh
solar power per home
Avg. gas consumption
850 m³
per dwelling per year
Homes with solar panels
71%
Gas-free
1%
Mainly electrically heated
3%
Heating (WarmteAtlas)
99% central heating, 1% electric
2022
Geothermal potential
Ongunstig
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
3,4 km
avg. distance
General practice
600 m
avg. distance
Primary school
400 m
avg. distance
Daycare
2,2 km
avg. distance
Schools within 3 km
1
Urbanity
Non-urban
221 addresses per km²
Company locations
35
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 53 dB
Homes with road traffic above 55 dB
4%
municipality 24%
Homes with rail traffic above 55 dB
1%
municipality 1%
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 8%

Noise level of the 142 homes

  • 46–50 dB: quiet 20% 29
  • 51–55 dB: moderately 77% 109
  • 56–60 dB: busy 2% 3
  • 61–65 dB: noisy 1% 1

Flooding

Homes that may flood
100%
municipality 89%
Of which more than 0.5 m water
7%
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
12,4 µg/m³
100% above WHO advice (10)
PM2,5
8,2 µg/m³
100% above WHO recommendation (5)
PM10
14,5 µg/m³
0% above WHO advice (15)
Night lighting
Dimmed
municipality: dim
Green within 500 m
74%
municipality 54%

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
45 °C
extreme heat stress
Homes with extreme heat stress (41 °C or higher)
92%
municipality 94%
Urban heat island effect
0,2–0,4 °C
on average warmer than the surrounding area
Homes with a cool spot within 300 m
100%
municipality 78%
Homes with moderate or high flood risk
0%
municipality 4%
Dry floor at the most severe flood
88%
Homes with increased risk of groundwater nuisance in 2050
99%
municipality 43%
Homes with a stormwater channel alongside the house
2%
municipality 10%
Homes in the magnetic field zone of a high-voltage line
0%
municipality 0%
Homes within 1 km of a wind turbine
0%
municipality 4%

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
29
Sep 2025 – Aug 2026
Registered crimes
11
+57% vs. the previous year
Residential burglaries per 1,000 homes
0,0
0 burglaries
Municipality
33
per 1,000 inhabitants
Netherlands
45
per 1,000 inhabitants

Types of crimes (last 12 months)

  • Bedreiging 36% 4
  • Autodiefstal 9% 1
  • Mishandeling 9% 1
  • Vernieling 9% 1

Per year

  1. 82021
  2. 82022
  3. 112023
  4. 72024
  5. 62025

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
4,14
+0,03 vs. the national average
Since the previous measurement
−0,01
measurement 2022: Good
Municipality
More than sufficient
score 4,08

Five dimensions, deviation from the national average

  • Physical environment green, water, buildings, noise +0,02 sufficient
  • Housing stock type, construction year, ownership +0,03 sufficient
  • Amenities shops, schools, healthcare, public transport −0,11 insufficient
  • Social cohesion population composition, relocations +0,02 sufficient
  • Nuisance and insecurity crime and nuisance +0,08 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)
−0,6 mm per year
municipality −1,6 mm
Soil subsidence (shallow)
+0,5 mm per year
peat and clay that subside
Expected decrease until 2050
1 cm
high scenario
Homes at risk of pile rot
0,0%
zeer laag, municipality 0,7%
Pile rot in 2050
0,0%
high scenario, drier summers
Difference projection in 2050
1,0%
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
€ 222.000
Net labour participation
73%
from 15 to 75 years
Self-employed
15%
of the working population
Top 20% incomes
21,6%
share of people (nationally 20%)