Lille Cathedral

Lille Cathedral, formally Notre-Dame de la Treille, is the Roman Catholic cathedral of Lille in northern France, notable for its 19th-century neo-Gothic architecture and a contemporary façade added in the late 20th century. It serves as the seat of the Archdiocese of Lille.

Visitors typically see the cathedral’s vaulted neo-Gothic interior, stained glass, and the contrasting modern exterior stone and marble screen that was completed several decades after the main body of the church. The cathedral functions for regular worship, diocesan events and as a civic landmark in central Lille.

The building was begun in the 19th century on the site of an earlier chapel and was developed over an extended period, with the modern façade and certain finishing works completed in the 20th century. The combination of construction phases reflects changing architectural approaches across more than a century.

The cathedral stands in central Lille near the old town and municipal buildings, accessible on foot from major city squares and transport hubs.

• Construction span: Originally begun in the 19th century, the cathedral's modern front was completed in the late 20th century, creating an architectural contrast between historical structure and contemporary design.

What to See #

• Nave and choir: The cathedral nave, choir and transepts, executed in 19th-century neo-Gothic style, form the main interior space used for liturgy and civic ceremonies.
• Façade: The modern stone and marble façade completed in the late 20th century that contrasts with the 19th-century structure behind it and faces the city centre.