No historic monuments in Lagny
25% of compared French towns have no historic monument either. Thiescourt, 6.2 km from Lagny, is the nearest town with a classé monument.
The nearest classé monuments to Lagny
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Thiescourt | 3.8 mi | 3 | 1 | — |
| Plessis-de-Roye | 4.3 mi | 1 | 1 | — |
| Noyon | 4.6 mi | 9 | 6 | Yes |
| Chiry-Ourscamp | 5 mi | 3 | 2 | — |
| Roye-sur-Matz | 6.5 mi | 1 | 1 | — |
| Quesmy | 6.6 mi | 1 | 1 | — |
6 towns in Oise have protected historic areas: Compiègne, Senlis, Noyon, Morienval, Saint-Martin-aux-Bois, Gerberoy.
14% of homes in Lagny were built before 1919
Main homes by when they were finished, beside the median compared French town (the tick).
14% of its main homes were built before 1919; the median compared French town has 7.4%. More of them were finished between 1919 and 1945 than in any other period (30%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Lagny in brief
More of Lagny’s homes are old than in most places: 14% were built before 1919, against 7.4% in the median compared French town. Nothing in Lagny is on the list; the nearest place with classé monuments is Thiescourt, 3.8 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 October 30, 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.