— Grand Est · Ardennes · 30 inhabitants

Lançon

Public indicators aggregated at commune level: housing market, services, safety, environment. Official sources, updated as of May 2026.

Lançon in numbers

Synthetic indicators. Sourced thematic detail below.

  • GP access (APL)

    2,7 c/an/hab

    DREES index — under-served threshold = 2.5

    DREES · 2024

    Rank 302 of 448 communes in the Ardennes département

  • Fiber rollout

    100 %

    fiber-eligible homes

    ARCEP · 2025

    Rank 1 of 447 communes in the Ardennes département

  • Recorded crime

    0,0 / 1 000 hab/an

    offences recorded by law enforcement

    SSMSI · 2024

    Rank 1 of 447 communes in the Ardennes département

  • PFAS in tap water

    0,000 µg/L

    EU threshold 0.1 µg/L (directive 2020/2184)

    SISE-Eaux ARS · 2025

    Rank 1 of 262 communes in the Ardennes département

  • Water hardness

    16 °f

    soft <15, medium 15-30, hard 30-40, very hard >40

    SISE-Eaux ARS · 2025

    Rank 26 of 215 communes in the Ardennes département

  • Population change

    -8,8 % / 5 ans

    cumulative variation INSEE census (2017→2022)

    INSEE RP · 2025

    Rank 367 of 448 communes in the Ardennes département

Housing market in Lançon

Apartment rent

7,9 €/m²/mois

Median rent per m² observed by ANIL observatories. Compare with purchase price for gross rental yield.

Source: ANIL Observatoires des loyers · 2025 — indicative

Services and quality of life in Lançon

GP accessibility

2,68

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

Fibre coverage (FttH)

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 · 2025

Safety and risks in Lançon

Recorded crime

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 · 2024

Environment and health in Lançon

PFAS in tap water

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

Water hardness

16 °f

Hydrotimetric titre (French median ≈ 22 °f). Below 15 = soft ; 22-32 = hard ; above = very hard (scaling, energy overconsumption).

Source: ARS — SISE-Eaux · 2025

Solar potential

1266 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

Lançon preview

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