— Nouvelle-Aquitaine · Dordogne · 187 inhabitants

Marnac

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

Marnac in numbers

Synthetic indicators. Sourced thematic detail below.

  • Energy-sieve homes (EPC F or G)

    33 %

    share of poorly-insulated private homes

    ADEME · 2026

    Rank 464 of 504 communes in the Dordogne département

    See detail →
  • GP access (APL)

    3,8 c/an/hab

    DREES index — under-served threshold = 2.5

    DREES · 2024

    Rank 69 of 503 communes in the Dordogne département

    See detail →
  • Fiber rollout

    100 %

    fiber-eligible homes

    ARCEP · 2025

    Rank 1 of 503 communes in the Dordogne département

    See detail →
  • Recorded crime

    0,0 / 1 000 hab/an

    offences recorded by law enforcement

    SSMSI · 2025

    Rank 1 of 1006 communes in the Dordogne 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 126 communes in the Dordogne département

    See detail →
  • Water hardness

    32 °f

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

    SISE-Eaux ARS · 2025

    Rank 140 of 165 communes in the Dordogne département

    See detail →
  • Median disposable income

    20 960 €/UC/an

    per consumption unit

    Filosofi — INSEE · 2021

    Rank 600 of 933 communes in the Dordogne département

  • Population change

    -4,2 % / 5 ans

    cumulative variation INSEE census (2017→2022)

    INSEE RP · 2025

    Rank 399 of 502 communes in the Dordogne département

Everything else we measure in Marnac

Every value carries its source and year. What is not measured here is not shown — never replaced by an average.

Housing and costs

  • Median rent

    9,0 €/m²/mois

    private market rent observatory ANIL

    ANIL · 2025 — indicative

  • Property tax rate (TFB)

    49,7 %

    voted built-property tax global rate

    DGFiP REI · 2024

  • Median heating cost

    1 349 €/an

    from energy certificates issued in the town

    DPE — ADEME · 2026

  • Median property tax

    3,06 €/m²/an

    amount per m², not the voted rate

    DGFiP · 2020 — indicative

  • Median rent — house

    9,2 €/m²/mois

    apartment rent alone misses half the market

    Carte des loyers — ANIL · 2025

  • Homes empty for over 2 years

    3,9 %

    structural vacancy — long-empty homes signal a market with no takers

    LOVAC — DGALN · 2025

  • Second homes

    37 %

    share of housing — a high value means an off-season ghost town

    Filocom — DGFiP · 2025

  • Housing built before 1949

    35 %

    older stock — character, and heavier insulation work

    Filocom — DGFiP · 2025

Environment

  • Oil heating

    39 %

    share of dwellings — the energy most exposed to price and regulation

    DPE — ADEME · 2026

  • Radon potential

    faible

    natural radioactive soil gas — leading cause of lung cancer after tobacco

    IRSN

  • Solar irradiation

    1 614 kWh/m²/an

    solar energy received at ground level over a year

    PVGIS — Commission européenne · 2023

  • Nitrates in tap water

    9 mg/L

    legal limit 50 mg/L (EU directive 2020/2184)

    SISE-Eaux — ARS · 2025

  • Pesticides in tap water

    0,000 µg/L

    limit 0.1 µg/L per substance, 0.5 µg/L total (EU directive 2020/2184)

    SISE-Eaux — ARS · 2025

  • Lead in tap water

    0,00 µg/L

    limit 10 µg/L, dropping to 5 µg/L in 2036 — mostly from the building’s own pipes

    SISE-Eaux — ARS · 2025

  • Chlorine in tap water

    0,55 mg/L

    disinfection is mandatory; taste becomes noticeable from about 0.3 mg/L

    SISE-Eaux — ARS · 2025

  • Pesticides applied

    2,2 kg/ha

    amount per hectare of farmland — field use, not a concentration in water

    BNV-D — ministère de l’Agriculture · 2023

Jobs and income

  • Unemployment rate

    13,3 %

    share of 15-64 year-olds unemployed

    Filosofi — INSEE · 2025

Marnac 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 Marnac

Apartment rent

9,0 €/m²/mois

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

Source: ANIL Observatoires des loyers · 2025Reliability medium

Thermal sieves (DPE F/G)

33 %

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

Planning and buildability in Marnac

Buildable share of the territory

6,3 %

of territory in U or open AU zones

Share of commune area classified as buildable in the local plan (urban U zones + open to-urbanise AUc zones). The precise rules — height, footprint, setback — depend on the exact zone of the parcel.

Source: Géoportail de l'Urbanisme (GPU)Reliability high

Planning document

14

PLU zoning areas

The commune has a digitised PLU/PLUi published on the Géoportail de l'Urbanisme, split into 14 zones. Without a PLU, the National Planning Regulation (RNU) applies.

Source: Géoportail de l'Urbanisme (GPU)Reliability high

Zoning from the Géoportail de l'Urbanisme (GPU). Indicative at commune scale — for the buildability of a precise parcel, consult the PLU at the town hall.

Services and quality of life in Marnac

GP accessibility

3,79

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

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 · 2025Reliability medium

Safety and risks in Marnac

Nearest classified facility (ICPE)

1,0 km

CYPRIOTE Pierre VERGNE SAS

Source : DGPR · Géorisques · measured from the town centre

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 · 2025Reliability medium

Classified facilities

2

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 Marnac

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

32 °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)

2,2 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

1614 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)

A0 %
B0 %
C30 %
D20 %
E15 %
F20 %
G15 %

35.0% poorly rated (F/G) of 20 assessed dwellings.

Housing stock

Main homes59 %
Second homes37 %
Vacant homes4 %

— Live calculations

Every dimension, in euros.

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