No historic monuments in Thiernu
25% of compared French towns have no historic monument either. The nearest town to Thiernu with a classé monument is Marle, 2.9 km away.
The nearest classé monuments to Thiernu
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Marle | 1.8 mi | 3 | 1 | — |
| Prisces | 3.5 mi | 1 | 1 | — |
| Bosmont-sur-Serre | 3.7 mi | 3 | 2 | — |
| Gronard | 4.7 mi | 1 | 1 | — |
| Burelles | 5.1 mi | 1 | 1 | — |
| Bois-lès-Pargny | 6.5 mi | 2 | 2 | — |
7 towns in Aisne have protected historic areas: Soissons, Laon, Château-Thierry, Essômes-sur-Marne, La Ferté-Milon, Condé-en-Brie, Oigny-en-Valois.
50% of homes in Thiernu were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
50% 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 (50%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Thiernu in brief
More of Thiernu’s homes are old than in most places: 50% were built before 1919, against 7.4% in the median compared French town. Thiernu has nothing on the list; Marle, 1.8 mi away, is the nearest place with classé monuments.
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.