— Nouvelle-Aquitaine · Gironde · 445 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
1 864 €/m²
last 5 years of recorded sales
DVF — DGFiP · 2025 — indicative
Rank 214 of 473 communes in the Gironde département
See detail →Energy-sieve homes (EPC F or G)
3 %
share of poorly-insulated private homes
ADEME · 2026
Rank 76 of 535 communes in the Gironde département
See detail →GP access (APL)
4,5 c/an/hab
DREES index — under-served threshold = 2.5
DREES · 2024
Rank 110 of 535 communes in the Gironde département
See detail →Fiber rollout
99 %
fiber-eligible homes
ARCEP · 2025
Rank 293 of 534 communes in the Gironde département
See detail →Average social index of public schools
112
DEPP index — national median = 100 ; favored >115, disadvantaged <85
DEPP · 2024 — indicative
Rank 97 of 327 communes in the Gironde département
See detail →Recorded crime
0,0 / 1 000 hab/an
offences recorded by law enforcement
SSMSI · 2025
Rank 1 of 534 communes in the Gironde 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 164 communes in the Gironde département
See detail →Water hardness
18 °f
soft <15, medium 15-30, hard 30-40, very hard >40
SISE-Eaux ARS · 2025
Rank 95 of 173 communes in the Gironde département
See detail →Median disposable income
23 940 €/UC/an
per consumption unit
Filosofi — INSEE · 2021
Rank 144 of 519 communes in the Gironde département
Population change
+3,9 % / 5 ans
cumulative variation INSEE census (2017→2022)
INSEE RP · 2025
Rank 198 of 535 communes in the Gironde département
Every value carries its source and year. What is not measured here is not shown — never replaced by an average.
Median rent
12,3 €/m²/mois
private market rent observatory ANIL
ANIL · 2025
Property tax rate (TFB)
37,9 %
voted built-property tax global rate
DGFiP REI · 2024
Median heating cost
928 €/an
from energy certificates issued in the town
DPE — ADEME · 2026
Median property tax
3,29 €/m²/an
amount per m², not the voted rate
DGFiP · 2024
Median rent — house
9,0 €/m²/mois
apartment rent alone misses half the market
Carte des loyers — ANIL · 2025 — indicative
Homes empty for over 2 years
10,8 %
structural vacancy — long-empty homes signal a market with no takers
LOVAC — DGALN · 2025
Second homes
7 %
share of housing — a high value means an off-season ghost town
Filocom — DGFiP · 2025
Housing built before 1949
49 %
older stock — character, and heavier insulation work
Filocom — DGFiP · 2025
Schools in town
1
primary-level schools, state and private
Annuaire de l’éducation — MENJ · 2026
Social index — state schools
112
social position index — national median 100
DEPP — MENJ · 2024 — indicative
Oil heating
11 %
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
1 628 kWh/m²/an
solar energy received at ground level over a year
PVGIS — Commission européenne · 2023
Nitrates in tap water
0,00 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
0,70 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
0,27 mg/L
disinfection is mandatory; taste becomes noticeable from about 0.3 mg/L
SISE-Eaux — ARS · 2025
Pesticides applied
9,6 kg/ha
amount per hectare of farmland — field use, not a concentration in water
BNV-D — ministère de l’Agriculture · 2023
Unemployment rate
7,7 %
share of 15-64 year-olds unemployed
Filosofi — INSEE · 2021
1 864 €/m²
From 575 €/m² to 2 364 €/m² depending on the area, across 21 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
12,3 €/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
3 %
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
5,7 %
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
5,3 %
of territory already urbanised
Share of area in U zones of the local plan — already-urbanised sectors, open to immediate construction subject to the zone rules.
Source: Géoportail de l'Urbanisme (GPU)Reliability high
43
PLU zoning areas
The commune has a digitised PLU/PLUi published on the Géoportail de l'Urbanisme, split into 43 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.
4,46
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
112
Weighted average Social Position Index (DEPP). French median ≈ 102. Sociological reading, not pedagogical quality.
Source: DEPP IPS écoles · 2024Reliability limited
99 %
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
1,2 km
LAFARGE GRANULATS SUD
Source : DGPR · Géorisques · measured from the town centre
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
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
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
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
18 °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
9,6 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
1628 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
— Live calculations
On this page, 6 calculations with the real figures for Saint-Jean-de-Blaignac: 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.