Neighbourhood Voorweg

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

  • 316 homes
  • 760 inhabitants
  • avg. year of construction 1970
  • avg. WOZ € 480.000

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 Voorweg

Homes
316
addresses with residential function (BAG)
Average build year
1970
Average living area
136 m²
Housing stock (CBS)
332
2025

Home type

  • Detached 31% 99
  • Apartment 21% 67
  • Semi-detached house 20% 62
  • Mid-terrace house 19% 61
  • End-terrace house 9% 27

Energy label

  • A or better 28% 88
  • B 14% 45
  • C 18% 57
  • D 7% 21
  • E 2% 6
  • F 9% 29
  • G 16% 49
  • No label 7% 21

Building period

  • Built before 1945 29% 93
  • 1945–1969 7% 22
  • 1970–1989 24% 77
  • 1990–2009 28% 90
  • 2010 and later 10% 33
  • Unknown 0% 1

Residents

Residents
760
January 1, 2025
Households
315
avg. 2,4 people
One-person households
27%
Households with children
35%
Population density
155
inhabitants per km²
Area
5,0 km²
of which 0,1 km² water

Age distribution

  • 0–15 years 15% 115
  • 15–25 years 11% 85
  • 25–45 years 22% 170
  • 45–65 years 28% 215
  • 65 years and older 24% 180

Housing and value

Average WOZ value
€ 480.000
CBS 2024
Owner-occupied homes
78%
Rental homes
22%
14% housing association
Single-family homes
79%
21% multi-family
Built in the last 10 years
4%
Unoccupied properties
5%
New build in the year
1
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
3.200 kWh
per dwelling per year
Avg. feed-in
1.330 kWh
solar power per home
Avg. gas consumption
970 m³
per dwelling per year
Homes with solar panels
41%
Gas-free
5%
Mainly electrically heated
10%
Heating (WarmteAtlas)
89% central heating, 5% block, 3% 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
1,0 km
avg. distance
General practice
1,0 km
avg. distance
Primary school
1,1 km
avg. distance
Daycare
1,1 km
avg. distance
Schools within 3 km
2
Urbanity
Non-urban
389 addresses per km²
Cars per household
1,2
377 passenger cars
Company locations
315
of which 85 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
41%
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 316 homes

  • up to 45 dB: very quiet 21% 66
  • 46–50 dB: quiet 27% 84
  • 51–55 dB: moderately 16% 52
  • 56–60 dB: busy 28% 89
  • 61–65 dB: noisy 8% 25

Flooding

Homes that may flood
100%
municipality 89%
Of which more than 0.5 m water
94%
Of which more than 2 m water
6%
Maximum water depth
2,9 m
average 1,0 m where it floods

Air, light and green

NO₂
13,1 µg/m³
100% above WHO advice (10)
PM2,5
8,3 µg/m³
100% above WHO recommendation (5)
PM10
14,8 µg/m³
9% above WHO advice (15)
Night lighting
Dimmed
municipality: dim
Green within 500 m
69%
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)
97%
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
72%
municipality 78%
Homes with moderate or high flood risk
0%
municipality 4%
Dry floor at the most severe flood
66%
Homes with increased risk of groundwater nuisance in 2050
84%
municipality 43%
Homes with a stormwater channel alongside the house
10%
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
38
Sep 2025 – Aug 2026
Registered crimes
29
+26% vs. the previous year
Residential burglaries per 1,000 homes
3,2
1 burglary
Municipality
33
per 1,000 inhabitants
Netherlands
45
per 1,000 inhabitants

Types of crimes (last 12 months)

  • Diefstal uit auto 7% 2
  • Autodiefstal 7% 2
  • Fietsdiefstal 7% 2
  • Woninginbraak 3% 1
  • Mishandeling 3% 1
  • Drugshandel 3% 1

Per year

  1. 342021
  2. 282022
  3. 352023
  4. 192024
  5. 352025

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
+0,01
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 +0,05 more than sufficient
  • Amenities shops, schools, healthcare, public transport −0,09 insufficient
  • Social cohesion population composition, relocations +0,06 more than 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

Expected decrease until 2050
12 cm
high scenario
Homes at risk of pile rot
2,2%
laag, municipality 0,7%
Pile rot in 2050
2,4%
high scenario, drier summers
Difference projection in 2050
3,4%
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
€ 376.200
Net labour participation
79%
from 15 to 75 years
Self-employed
29%
of the working population
Top 20% incomes
25,7%
share of people (nationally 20%)