 Most of their houses were just formation centers, but they opened them to the public because the faithful would go and attend Sunday services with the friars.Their first house was built in Bagumbayan, outside the walls of Manila.Later, they also built a house, San Nicolas de Tolentino Church, within the walls that became their house for the next hundreds of years after the British demolished all structures in Bagumbayan during their occupation of the city in the 1760s.