This Jacobean church is dedicated to the patron saint of the city of Burgos, San Lesmes. It was rebuilt in the 15th century and it has an ogival arch designed by Simon de Colonia. It has three naves, a transept and a Plateresque style choir. There are some baroque style altarpieces and some interesting Renaissance sepulchres. In the middle of the church is the sepulchre of San Lesmes.