— Grand Est · Marne · 339 inhabitants

Courthiézy

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

Courthiézy in numbers

Synthetic indicators. Sourced thematic detail below.

  • Median price per m²

    1 631 €/m²

    last 5 years of recorded sales

    DVF — DGFiP · 2025

    Rank 192 of 359 communes in the Marne département

    See detail →
  • Energy-sieve homes (EPC F or G)

    43 %

    share of poorly-insulated private homes

    ADEME · 2026

    Rank 573 of 614 communes in the Marne département

    See detail →
  • GP access (APL)

    3,2 c/an/hab

    DREES index — under-served threshold = 2.5

    DREES · 2024

    Rank 242 of 611 communes in the Marne département

    See detail →
  • Fiber rollout

    96 %

    fiber-eligible homes

    ARCEP · 2025

    Rank 466 of 610 communes in the Marne département

    See detail →
  • Recorded crime

    0,0 / 1 000 hab/an

    offences recorded by law enforcement

    SSMSI · 2024

    Rank 1 of 1220 communes in the Marne département

    See detail →
  • Water hardness

    41 °f

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

    SISE-Eaux ARS · 2025

    Rank 467 of 494 communes in the Marne département

    See detail →
  • Median disposable income

    24 770 €/UC/an

    per consumption unit

    Filosofi — INSEE · 2020

    Rank 483 of 1016 communes in the Marne département

  • Population change

    -6,0 % / 5 ans

    cumulative variation INSEE census (2017→2022)

    INSEE RP · 2025

    Rank 470 of 611 communes in the Marne département

Courthiézy preview

Preview as close as possible to the commune centre. Green = favourable, red = caution. For analysis at your precise address, enter it below.

Housing market in Courthiézy

Median price per m²

1 631 €/m²

Median over 8 sales (2025)

From 782 €/m² to 2 488 €/m² depending on the area, across 14 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

Apartment rent

10,3 €/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

Thermal sieves (DPE F/G)

43 %

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

Services and quality of life in Courthiézy

GP accessibility

3,24

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

Fibre coverage (FttH)

96 %

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

Safety and risks in Courthiézy

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 · 2024Reliability medium

Classified facilities

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

Flood prevention plan (PPRi)

Yes

Commune covered by a flood-risk plan (PPRi)

This commune is covered by a Flood Risk Prevention Plan (PPRi). Consequences: mandatory Buyer/Tenant Information (IAL), permit restrictions, home insurance surcharge. For the precise parcel-level zoning, see Géorisques.

Source: Géorisques PPRi · 2025Reliability high

Environment and health in Courthiézy

Water hardness

41 °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

Agricultural pesticides (dept)

7,0 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

1332 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 · 2023Reliability high

Energy rating (EPC)

A5 %
B3 %
C8 %
D25 %
E18 %
F20 %
G23 %

42.5% poorly rated (F/G) of 40 assessed dwellings.

Housing stock

Main homes78 %
Second homes9 %
Vacant homes13 %

— Live calculations

Every dimension, in euros.

On this page, 6 calculations with the real figures for Courthiézy: 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.