No historic monuments in Boulogne-la-Grasse
25% of compared French towns have no historic monument either. Piennes-Onvillers, 4.6 km from Boulogne-la-Grasse, is the nearest town with a classé monument.
The nearest classé monuments to Boulogne-la-Grasse
Towns within 15.5 mi with at least one classé monument, nearest first.
| Town | Distance | Monuments | Classé | Protected area |
|---|---|---|---|---|
| Piennes-Onvillers | 2.8 mi | 1 | 1 | — |
| Tilloloy | 3.1 mi | 2 | 2 | — |
| Roye-sur-Matz | 3.3 mi | 1 | 1 | — |
| Ressons-sur-Matz | 5.2 mi | 1 | 1 | — |
| Mareuil-la-Motte | 6 mi | 1 | 1 | — |
| Tricot | 6.2 mi | 1 | 1 | — |
6 towns in Oise have protected historic areas: Compiègne, Senlis, Noyon, Morienval, Saint-Martin-aux-Bois, Gerberoy.
14% of homes in Boulogne-la-Grasse 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 (28%).
INSEE, census 2023: main homes (résidences principales) only; second homes and empty homes aren’t dated.
Boulogne-la-Grasse in brief
Old houses are part of Boulogne-la-Grasse’s character: 14% of its homes were built before 1919, against 7.4% in the median compared French town. Boulogne-la-Grasse has nothing on the list; Piennes-Onvillers, 2.8 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 9, 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.