— Nouvelle-Aquitaine · Charente-Maritime · 475 inhabitants
Public indicators aggregated at commune level: housing market, services, safety, environment. Official sources, updated as of May 2026.
Per-theme summary derived from sourced indicators. Tap a theme for the detail.
Synthetic indicators. Sourced thematic detail below.
Median price per m²
1 946 €/m²
last 5 years of recorded sales
DVF — DGFiP · 2025
Rank 234 of 367 communes in the Charente-Maritime département
See detail →Energy-sieve homes (EPC F or G)
19 %
share of poorly-insulated private homes
ADEME · 2026
Rank 334 of 463 communes in the Charente-Maritime département
See detail →GP access (APL)
1,8 c/an/hab
DREES index — under-served threshold = 2.5
DREES · 2024
Rank 452 of 463 communes in the Charente-Maritime département
See detail →Fiber rollout
100 %
fiber-eligible homes
ARCEP · 2025
Rank 168 of 462 communes in the Charente-Maritime département
See detail →Recorded crime
0,0 / 1 000 hab/an
offences recorded by law enforcement
SSMSI · 2024
Rank 1 of 924 communes in the Charente-Maritime département
See detail →PFAS in tap water
0,000 µg/L
EU threshold 0.1 µg/L (directive 2020/2184)
SISE-Eaux ARS · 2025
Rank 1 of 92 communes in the Charente-Maritime département
See detail →Water hardness
33 °f
soft <15, medium 15-30, hard 30-40, very hard >40
SISE-Eaux ARS · 2025
Rank 59 of 117 communes in the Charente-Maritime département
See detail →Median disposable income
20 500 €/UC/an
per consumption unit
Filosofi — INSEE · 2020
Rank 585 of 895 communes in the Charente-Maritime département
Population change
-1,5 % / 5 ans
cumulative variation INSEE census (2017→2022)
INSEE RP · 2025
Rank 345 of 463 communes in the Charente-Maritime département
1 946 €/m²
Median over 12 sales (2025)
From 1 012 €/m² to 3 487 €/m² depending on the area, across 27 sales.
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
11,8 €/m²/mois
Median rent per m² observed by ANIL observatories. Compare with purchase price for gross rental yield.
Source: ANIL Observatoires des loyers · 2025Reliability high
19 %
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 · 2026Reliability high
1,79
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 · 2024Reliability high
100 %
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 · 2025Reliability medium
0
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 · 2024Reliability medium
1
ICPE within 1 km (average)
Average number of classified facilities (ICPE) within 1 km around the commune (DGPR). Seveso = major industrial risk, ICPE = facilities subject to authorisation/registration.
Source: DGPR Géorisques · 2025Reliability high
0,000 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
33 °f
Hydrotimetric titre (French median ≈ 22 °f). Below 15 = soft ; 22-32 = hard ; above = very hard (scaling, energy overconsumption).
Source: ARS — SISE-Eaux · 2025Reliability medium
3,7 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
— Live calculations
On this page, 6 calculations with the real figures for Barzan: whether to buy or rent, how much to negotiate, the monthly mortgage payment, the net rental yield, the monthly cashflow and the energy bill.
Method and assumptions detailed in Transparency.