Median price per m²
13 706 €/m²
Median over 49 sales (2025)
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
— Bretagne · Ille-et-Vilaine · 1,350 inhabitants
Treffendel
Public indicators aggregated at commune level: housing market, services, safety, environment. Official sources, updated as of May 2026.
Treffendel in numbers
Synthetic indicators. Sourced thematic detail below.
-
Median price per m²
13 706 €/m²
last 5 years of recorded sales
DVF — DGFiP · 2025
Rank 313 of 313 communes in the Ille-et-Vilaine département
-
Energy-sieve homes (EPC F or G)
12 %
share of poorly-insulated private homes
ADEME · 2024
Rank 255 of 349 communes in the Ille-et-Vilaine département
-
GP access (APL)
3,3 c/an/hab
DREES index — under-served threshold = 2.5
DREES · 2024
Rank 144 of 332 communes in the Ille-et-Vilaine département
-
Fiber rollout
23 %
fiber-eligible homes
ARCEP · 2025
Rank 289 of 332 communes in the Ille-et-Vilaine département
-
Average social index of public schools
112
DEPP index — national median = 100 ; favored >115, disadvantaged <85
DEPP · 2023
Rank 96 of 265 communes in the Ille-et-Vilaine département
-
Recorded crime
0,0 / 1 000 hab/an
offences recorded by law enforcement
SSMSI · 2024
Rank 1 of 332 communes in the Ille-et-Vilaine département
-
Median disposable income
21 920 €/UC/an
per consumption unit
Filosofi — INSEE · 2020
Rank 133 of 333 communes in the Ille-et-Vilaine département
-
Population change
+5,1 % / 5 ans
cumulative variation INSEE census (2017→2022)
INSEE RP · 2025
Rank 101 of 332 communes in the Ille-et-Vilaine département
Housing market in Treffendel
Apartment rent
11,2 €/m²/mois
Median rent per m² observed by ANIL observatories. Compare with purchase price for gross rental yield.
Source: ANIL Observatoires des loyers · 2025
Thermal sieves (DPE F/G)
12 %
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 · 2024
Services and quality of life in Treffendel
GP accessibility
3,31
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
Public school social index
112
Weighted average Social Position Index (DEPP). French median ≈ 102. Sociological reading, not pedagogical quality.
Source: DEPP IPS écoles · 2023
Fibre coverage (FttH)
23 %
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 Treffendel
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
Classified facilities
2,9 %
ICPE
Share of commune area covered by classified facilities for environmental protection (DGPR). Seveso = major industrial risk, ICPE = facilities subject to authorisation/registration.
Source: DGPR Géorisques · 2025
Environment and health in Treffendel
Agricultural pesticides (dept)
1,1 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
1301 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
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