Reconstruction of the castle 1480 (≈ 1480)
On request of Georges Paleologue de Bissipat.
1621
Family change
Family change 1621 (≈ 1621)
Pass to the Croÿ-Havré after the Bissipats.
1914–1918
Damage during the First World War
Damage during the First World War 1914–1918 (≈ 1916)
Subsidizes degradation during the conflict.
19 janvier 1987
Registration for historical monuments
Registration for historical monuments 19 janvier 1987 (≈ 1987)
Official heritage recognition.
13 septembre 1991
Classification of historical monuments
Classification of historical monuments 13 septembre 1991 (≈ 1991)
Enhanced protection of the monument.
2024
Opening up to privatization
Opening up to privatization 2024 (≈ 2024)
For private and professional events.
Aujourd'hui
Aujourd'hui
Aujourd'hui Aujourd'hui (≈ 2025)
Position de référence.
Heritage classified
Façades and roofs of the communes located on either side of the main entrance along the C.D. 104 (Case D 143): inscription by order of 19 January 1987; Fronts and roofs of the castle; main entrance portal (box D 142, 143): classification by order of 13 September 1991
Key figures
Georges Paléologue de Bissipat - Reconstruction coordinator
Has the castle rebuilt in 1480.
Famille Croÿ-Havré - Owner after 1621
Successes the Bissipats as the owner family.
Origin and history
Hannaches Castle, located in the Oise department in Hannaches, was rebuilt in 1480 on the foundations of a building destroyed during the Hundred Years War, at the initiative of Georges Paleologue de Bissipat. This brick castle, marked by pepper towers and decorations of black varnished bricks, remains in the Bissipat family until 1621, before going to the Croÿ-Havré. It forms a remarkable architectural ensemble with the nearby church, an old castral chapel housing the tombstones of the Bissipats, and a farm with a pigeon tree.
During the First World War, the castle suffered degradation, but its facades and roofs, as well as those of the eighteenth century communes, were protected by an inscription in 1987 and a classification in 1991 as historical monuments. Since 2024, the estate has been privatisable for events, combining heritage and contemporary use. The site retains medieval elements such as cruciform (partly disappeared) and classical additions, reflecting its architectural evolution.
The castle illustrates local history, linked to the noble families (Bissipat, Croÿ-Havré) and to the conflicts that marked Picardia. Its ensemble, including the sober church and the commons, offers a testimony of the social and architectural transformations between the Middle Ages and the modern era. Today, private property, it remains a symbol of the heritage of Hauts-de-France, accessible via private or professional rentals.
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