No historic monuments in Troësnes
25% of compared French towns have no historic monument either. Marizy-Sainte-Geneviève, 2.7 km from Troësnes, is the nearest town with a classé monument.
The nearest classé monuments to Troësnes
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Marizy-Sainte-Geneviève | 1.7 mi | 1 | 1 | — |
| La Ferté-Milon | 2.2 mi | 6 | 3 | Yes |
| Marizy-Saint-Mard | 2.6 mi | 2 | 2 | — |
| Marolles | 3.3 mi | 1 | 1 | — |
| Chouy | 3.8 mi | 1 | 1 | — |
| Monnes | 3.9 mi | 1 | 1 | — |
7 towns in Aisne have protected historic areas: Soissons, Laon, Château-Thierry, Essômes-sur-Marne, La Ferté-Milon, Condé-en-Brie, Oigny-en-Valois.
31% of homes in Troësnes were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
31% of its main homes were built before 1919; the median compared French town has 7.4%. More of them were finished before 1919 than in any other period (31%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Troësnes in brief
Old houses are part of Troësnes’s character: 31% of its homes were built before 1919, against 7.4% in the median compared French town. Nothing in Troësnes is on the list; the nearest place with classé monuments is Marizy-Sainte-Geneviève, 1.7 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.