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Origin and history

The House known as Hotel de la Lanterne, located in Bonneval in Eure-et-Loir, is a 13th century Romanesque building. This historic monument is characterized by architecture combining early Romanesque and Gothic influences. Its name evokes a possible signaling or monitoring function, although the sources do not explicitly confirm it. The house is said to have belonged to, or been linked to, the Templars, a nearby establishment in the same city. This hypothesis is based on local stylistic and historical elements typical of the Templar possessions of the time.

On the ground floor, the façade retains traces of subsequent modifications, including two windows transformed at the end of the 19th century. On the right, an ancient arched porch remains, decorated with macaroons in the throat between the voussures and capitals carved of leaves. These decorative details recall late Romanesque art, marked by a transition to Gothic. Upstairs, three grooved windows, today deprived of their columns, are surmounted by trilobed lintels carved of leaves. These openings are embedded in dogive arches in relief, suggesting a strong aesthetic and symbolic will, perhaps linked to Templar spirituality.

The building was partially protected by an order of 29 April 1971, covering its façade and roof on the street. This listing under Historic Monuments underscores its heritage interest, although its current use (visit, rental, accommodation) is not specified in available sources. The exact address, 5 Billault Street, and its Insee code (28051) confirm its anchoring in the centre of Bonneval, a city marked by its medieval and religious history. The accuracy of its location is considered passable, possibly reflecting uncertainties about its exact location or geographic boundaries.

The historical context of Bonneval in the 13th century was that of a region under seigneurial and religious influence, where military orders such as the Templars played a major economic and spiritual role. The Romanesque houses of that time often served as places of residence for local dignitaries or relays for pilgrims and merchants. The Hotel de la Lanterne, by its style and proximity to a Templar establishment, may have performed a similar function, although the archives lack to confirm it. Its architecture reflects the cultural and artistic exchanges of the period, between Romanesque tradition and Gothic innovations.

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