Neighbourhood Biezen-West

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

  • 984 homes
  • 2.210 inhabitants
  • avg. year of construction 1955
  • avg. WOZ € 421.000

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 Biezen-West

Homes
984
addresses with residential function (BAG)
Average build year
1955
Average living area
125 m²
Housing stock (CBS)
991
2025

Home type

  • Detached 29% 285
  • Semi-detached house 22% 212
  • Mid-terrace house 21% 210
  • Apartment 18% 173
  • End-terrace house 11% 104

Energy label

  • A or better 6% 55
  • B 14% 136
  • C 21% 203
  • D 12% 114
  • E 9% 85
  • F 11% 109
  • G 25% 248
  • No label 3% 34

Building period

  • Built before 1945 43% 424
  • 1945–1969 19% 190
  • 1970–1989 21% 202
  • 1990–2009 11% 112
  • 2010 and later 5% 50
  • Unknown 1% 6

Residents

Residents
2.210
January 1, 2025
Households
985
avg. 2,3 people
One-person households
29%
Households with children
36%
Population density
1.641
inhabitants per km²
Area
1,6 km²
of which 0,3 km² water

Age distribution

  • 0–15 years 14% 315
  • 15–25 years 11% 235
  • 25–45 years 24% 525
  • 45–65 years 31% 685
  • 65 years and older 20% 450

Housing and value

Average WOZ value
€ 421.000
CBS 2024
Owner-occupied homes
80%
Rental homes
20%
16% housing association
Single-family homes
82%
18% multi-family
Built in the last 10 years
4%
Unoccupied properties
3%
New build in the year
5
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
2.990 kWh
per dwelling per year
Avg. feed-in
960 kWh
solar power per home
Avg. gas consumption
980 m³
per dwelling per year
Homes with solar panels
40%
Gas-free
4%
Mainly electrically heated
8%
Heating (WarmteAtlas)
96% central heating, 2% block
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
900 m
avg. distance
General practice
1,8 km
avg. distance
Primary school
900 m
avg. distance
Daycare
700 m
avg. distance
Schools within 3 km
3
Urbanity
Low urban density
781 addresses per km²
Cars per household
1,1
1.105 passenger cars
Company locations
355
of which 40 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)
51 dB
municipality 53 dB
Homes with road traffic above 55 dB
25%
municipality 24%
Homes with rail traffic above 55 dB
0%
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
13%
municipality 8%

Noise level of the 984 homes

  • up to 45 dB: very quiet 19% 187
  • 46–50 dB: quiet 35% 344
  • 51–55 dB: moderately 23% 225
  • 56–60 dB: busy 13% 131
  • 61–65 dB: noisy 10% 95
  • 66–70 dB: very noisy 0% 2

Flooding

Homes that may flood
99%
municipality 89%
Of which more than 0.5 m water
95%
Of which more than 2 m water
20%
Maximum water depth
2,1 m
average 1,6 m where it floods

Air, light and green

NO₂
14,3 µg/m³
100% above WHO advice (10)
PM2,5
8,5 µg/m³
100% above WHO recommendation (5)
PM10
14,9 µg/m³
65% above WHO advice (15)
Night lighting
Dimmed
municipality: dim
Green within 500 m
62%
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)
99%
municipality 94%
Urban heat island effect
0,4–0,6 °C
on average warmer than the surrounding area
Homes with a cool spot within 300 m
71%
municipality 78%
Homes with moderate or high flood risk
0%
municipality 4%
Dry floor at the most severe flood
77%
Homes with increased risk of groundwater nuisance in 2050
28%
municipality 43%
Homes with a stormwater channel alongside the house
6%
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
7
Sep 2025 – Aug 2026
Registered crimes
15
-63% 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)

  • Vernieling 20% 3
  • Fietsdiefstal 7% 1
  • Drugshandel 7% 1

Per year

  1. 602021
  2. 532022
  3. 452023
  4. 542024
  5. 252025

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
4,18
+0,08 vs. the national average
Since the previous measurement
−0,02
measurement 2022: Very good
Municipality
More than sufficient
score 4,08

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 −0,04 sufficient
  • Social cohesion population composition, relocations +0,04 sufficient
  • Nuisance and insecurity crime and nuisance +0,05 more than 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 −1,6 mm
Soil subsidence (shallow)
−0,8 mm per year
peat and clay that subside
Expected decrease until 2050
33 cm
high scenario
Homes at risk of pile rot
1,2%
laag, municipality 0,7%
Pile rot in 2050
2,2%
high scenario, drier summers
Difference projection in 2050
6,9%
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
€ 292.400
Net labour participation
79%
from 15 to 75 years
Self-employed
23%
of the working population
Top 20% incomes
24,5%
share of people (nationally 20%)