Timeline

Heritage classified

Key figures

Origin and history

The Saint-Martin de Groslay church, located in Val-d It is distinguished by a 13th century Gothic nave and south side, extended by a Renaissance choir and collaterals. Its history is marked by successive reconstructions, especially after the ravages of the Hundred Years' War, which reduced the village to about 50 inhabitants in 1470. The nave was rebuilt in 1520, followed by the addition of a northern collateral and an apse in the hemicycle around 1560, illustrating the transition between the flamboyant Gothic and the Renaissance.

The French Revolution caused irreversible damage, including the destruction of the western gate and the confiscation of the bells, except one dating from 1783. In the 19th century, urgent work was undertaken to stabilize the building, threatened by the collapse of the vaults and the dumping of walls. The current false plaster vaults date back to that period (1869-1872), as did the sub-work of the northern pillars. Ranked a historic monument in 1929, the church owes its reputation to its six Renaissance glass windows, classified since 1897, including the Tree of Jesse (1572) and scenes of St.Martin's life, as well as furniture including 17th and 19th century statues and paintings.

The building reflects architectural developments and historical upheavals in the region. His dissymmetric plan, with a northern collateral longer than the south, and his apse with cut-panes testify to successive adaptations. The stained glass windows, restored in the 20th century, are composed of uplifted fragments, offering a rare glimpse of Renaissance glass art in Île-de-France. The sacristy, added in 1858, and the liturgical changes of the 20th century (like the installation of a new altar in 1984) complete to seal its turbulent history, between preservation and transformation.

The local archives evoke figures such as Richilde de Groslay, founder in the 12th century of a distribution of bread in honour of the parish, or Henri Adeux, parish priest from 1958 to 1983, whose name was given to the court in 2010. The cemetery, originally located around the church, was moved between 1824 and 1837, releasing space for widening the streets. The bells, recast or added (as in 1955), and the relics disappeared during the Prussian occupation of 1871, recall the hazards suffered by this heritage.

Inside, despite the changes, preserves a harmony between the Gothic and Renaissance parts. The Corinthian capitals, some of which may be covered with medieval supports, and the ivy vaults and thirdrons of the northern collateral illustrate this fusion of styles. Outside, the northern facade, homogeneous thanks to its rapid construction in the sixteenth century, contrasts with other elevations, altered by restorations. The bell tower, at the base perhaps Romanesque, and the 18th century porch, although devoid of sacred character, complete this eclectic ensemble.

Today, the Church of Saint Martin remains a major witness to local history, combining religious, heritage and memorial functions. Its stained glass windows, ranked among the most beautiful in the Val-d的Oise, and its hybrid architecture make it a must to understand the evolution of the arts and societies in Île-de-France, from the Middle Ages to the contemporary era.

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