Median price per m²
2 971 €/m²
Median over 53 sales (2025)
DVF median of recent notarial transactions. French median ≈ €2,800/m². Cross-check with DPE and listing age to estimate negotiation margin.
Source: DVF — DGFiP
— Île-de-France · Yvelines · 5,875 inhabitants
Saint-Arnoult-en-Yvelines
Public indicators aggregated at commune level: housing market, services, safety, environment. Official sources, updated as of May 2026.
Saint-Arnoult-en-Yvelines in numbers
Synthetic indicators. Sourced thematic detail below.
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Median price per m²
2 971 €/m²
last 5 years of recorded sales
DVF — DGFiP · 2025
Rank 78 of 239 communes in the Yvelines département
-
Energy-sieve homes (EPC F or G)
25 %
share of poorly-insulated private homes
ADEME · 2024
Rank 210 of 261 communes in the Yvelines département
-
GP access (APL)
1,9 c/an/hab
DREES index — under-served threshold = 2.5
DREES · 2024
Rank 183 of 259 communes in the Yvelines département
-
Fiber rollout
92 %
fiber-eligible homes
ARCEP · 2025
Rank 247 of 259 communes in the Yvelines département
-
Average social index of public schools
124
DEPP index — national median = 100 ; favored >115, disadvantaged <85
DEPP · 2023
Rank 125 of 215 communes in the Yvelines département
-
Recorded crime
62,2 / 1 000 hab/an
offences recorded by law enforcement
SSMSI · 2024
Rank 243 of 259 communes in the Yvelines département
-
PFAS in tap water
0,008 µg/L
EU threshold 0.1 µg/L (directive 2020/2184)
SISE-Eaux ARS · 2025
Rank 25 of 52 communes in the Yvelines département
-
Water hardness
30 °f
soft <15, medium 15-30, hard 30-40, very hard >40
SISE-Eaux ARS · 2025
Rank 22 of 52 communes in the Yvelines département
-
Median disposable income
30 460 €/UC/an
per consumption unit
Filosofi — INSEE · 2020
Rank 131 of 256 communes in the Yvelines département
-
Poverty rate
5,0 %
households below the monetary poverty line
Filosofi — INSEE · 2025
Rank 1 of 85 communes in the Yvelines département
-
Population change
-3,6 % / 5 ans
cumulative variation INSEE census (2017→2022)
INSEE RP · 2025
Rank 227 of 259 communes in the Yvelines département
Housing market in Saint-Arnoult-en-Yvelines
Apartment rent
15,7 €/m²/mois
Median rent per m² observed by ANIL observatories. Compare with purchase price for gross rental yield.
Source: ANIL Observatoires des loyers · 2025
Thermal sieves (DPE F/G)
25 %
Share of homes labelled F or G in the surveyed stock (French median ≈ 18%). Climate Act: rental ban for G in 2025, F in 2028, E in 2034.
Source: ADEME Observatoire DPE · 2024
Services and quality of life in Saint-Arnoult-en-Yvelines
GP accessibility
1,95
consultations / year / inhabitant
DREES APL indicator — French median ≈ 3.5. Tension threshold at 2.5: below this level, the commune is a medical desert.
Source: DREES Indicateur APL · 2024
Public school social index
124
Weighted average Social Position Index (DEPP). French median ≈ 102. Sociological reading, not pedagogical quality.
Source: DEPP IPS écoles · 2023
Fibre coverage (FttH)
92 %
Share of premises reachable by optical fibre (ARCEP). French median ≈ 75%. Tenant-attraction lever and near-mandatory residential criterion in 2026.
Source: ARCEP Observatoire fibre · 2025
Safety and risks in Saint-Arnoult-en-Yvelines
Recorded crime
62
per 1,000 inhabitants
Offences recorded by police/gendarmerie (French median ≈ 35). Includes property, personal and drug offences. Honest reading: compare to neighbouring communes.
Source: SSMSI — Ministère de l'Intérieur · 2024
Classified facilities
3,1 %
ICPE
Share of commune area covered by classified facilities for environmental protection (DGPR). Seveso = major industrial risk, ICPE = facilities subject to authorisation/registration.
Source: DGPR Géorisques · 2025
Flood prevention plan (PPRi)
100 %
of territory under PPRi
Commune area covered by a PPRi. Consequences: mandatory Buyer/Tenant Information (IAL), permit restrictions, home insurance surcharge.
Source: Géorisques PPRi · 2025
Environment and health in Saint-Arnoult-en-Yvelines
PFAS in tap water
0,008 µg/L
Sum of detected PFAS (French median ≈ 0.02 µg/L). 2026 European threshold: 0.10 µg/L per molecule, 0.50 µg/L for the sum of 20 monitored PFAS.
Source: ARS — SISE-Eaux · 2025
Water hardness
30 °f
Hydrotimetric titre (French median ≈ 22 °f). Below 15 = soft ; 22-32 = hard ; above = very hard (scaling, energy overconsumption).
Source: ARS — SISE-Eaux · 2025
Agricultural pesticides (dept)
0,5 kg/ha
Phytosanitary sales per cultivated hectare at département level (French median ≈ 1.2 kg/ha). Exposure indicator for residents.
Source: BNV-D (OFB) · 2023
Solar potential
1327 kWh/m²/an
Annual horizontal solar irradiation (PVGIS). French median ≈ 1,320 kWh/m²/year. Above 1,500 = very favourable (8-10 year ROI for panels), below 1,100 = longer ROI (12-15 years). MaPrimeRénov subsidy + self-consumption available.
Source: PVGIS European Commission · 2020
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