In 1871, a large barn was converted into a chapel for the Convent, with a side transept as a mission chapel. The side transept had large doors so that it could be shut off from the chapel and used as a school during the week.
The Convent Chapel, which was named 'Our Lady of the Sacred Heart and St Joseph', was designed in the Gothic Style.
The 'architect' of the chapel, and the corridors leading to it, was M. Victoire Dupont, sister of M. Clotilde Dupont who was first Superior of Upton.
Most of the chapel furnishings including the three altars, the statues, the Stations of the Cross and the Communion Rails were all gifts of Mr Bilsborrow of the Fylde.
There are five stained glass windows in the chapel, starting from the altar:
