No historic monuments in Treffort
25% of compared French towns have no historic monument either. From Treffort, the nearest classé monument is in Mayres-Savel, 6.3 km away.
The nearest classé monuments to Treffort
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Mayres-Savel | 3.9 mi | 1 | 1 | — |
| Saint-Georges-de-Commiers | 8.8 mi | 2 | 2 | — |
| Vif | 9.4 mi | 4 | 3 | — |
| Notre-Dame-de-Mésage | 11.8 mi | 2 | 2 | — |
| Vizille | 12.4 mi | 2 | 2 | — |
| La Chapelle-en-Vercors | 12.6 mi | 1 | 1 | — |
20 towns in Isère have protected historic areas: Grenoble, Vienne, Villefontaine, La Verpillière, Saint-Quentin-Fallavier, La Côte-Saint-André, Saint-Chef, Crémieu, Saint-Étienne-de-Saint-Geoirs, Saint-Geoire-en-Valdaine, Barraux, Mens and 8 more.
13% of homes in Treffort were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
13% of its main homes were built before 1919; the median compared French town has 7.4%. More of them were finished between 1991 and 2005 than in any other period (37%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Treffort in brief
More of Treffort’s homes are old than in most places: 13% were built before 1919, against 7.4% in the median compared French town. Nothing in Treffort is on the list; the nearest place with classé monuments is Mayres-Savel, 3.9 mi away.
France has no History Grade yet: this page describes, it doesn’t grade.
Sources: Ministère de la Culture, Mérimée base on POP (immeubles protégés au titre des monuments historiques), October 2026 · Ministère de la Culture, sites patrimoniaux remarquables, October 2026 · INSEE, census 2023 (main homes by build period) · IGN Admin Express (boundaries) · Medians and percentiles: TownRatings, over compared French towns, updated November 4, 2026. Under the Licence Ouverte / Open Licence 2.0 (Etalab).
Contains public sector information under the Licence Ouverte / Open Licence 2.0 (Etalab): INSEE, DGFiP, the Interior Ministry’s statistics service (SSMSI), the Ministry of Education (DEPP), the Health Ministry’s statistics service (DREES) and the Housing Ministry (Carte des loyers). Commune boundaries: IGN Admin Express.