Welcome to the Online Event Planning System for the Cathedral Basilica of Saints Peter and Paul, Archdiocese of Philadelphia. Due to the high volume of requests for the use of the Cathedral Basilica, Cathedral Chapel, Chapel Hall, and Neumann Room, any group or individual anticipating the use of these spaces should complete a planning form as far in advance as possible. A reservation confirmation will be provided once all required information has been submitted. Use of the Cathedral facilities will not be assured without a confirmed reservation. You may call the Parish Office to inquire about date availability before filling out this form at 215-561-1313.