The pre-built Romanesque tower has two naves and is built of flint with fragments of ironstone. The brick buttresses were added later. The tower is surmounted by a tall, incised pinnacle.
The nave is a three-aisled pseudo-basilica made of brick. The abbess's coat of arms, regique deoque, was placed above the main entrance on the south facade.
The Gothic choir is built from marl stone.
inner space
The interior is plastered and has a barrel vault.
On the altar is an original 17th century altarpiece from the workshop of Jacques (Jacob) Jordaens, depicting the Visitation or "Mary visiting her niece Elisabeth". There is also an altarpiece from 1665 in which Blasius brings a child to life, with the inscription: M. Strauven inventor et pincit.
Of the statues worth mentioning are: a late Gothic Saint Anne with Mary (around 1525), a guardian angel (1744) and a late Gothic wooden Christ on the cross (1540).
The main altar dates from the first half of the 18th century and has a sculptural group of the Holy Trinity on the gable. In the northern aisle there is a columned altar from the 18th century with a processional Madonna. There is also a 17th century confessional and some later furniture.
The baptismal font from around 1540 has features of the Liège Renaissance. The organ was built by Clerinx in 1855.