Oriented cruciform church with a Late Gothic sanctuary (mid 16th century) and a neo-Gothic nave (about 1830) by architect Pierre Bourla. Particular historicizing stained-glass window representing St Begga, her father Peppin I the Elder and her sister, St Gertrude of Nivelles. Also stained-glass window by Frans Pluys (19th cent.). Pulpit, sacrament altar, retable and 14 stations of the Cross by A. De Boeck en J.B. Van Wint (1890). Precious painting by Adam Van Noort: ‘The mockery of Christ’ (about 1600). Beautiful marble communion rails.
The church is part of the enlisted beguinage.