Complex sentence: The north wall of de Brome's chapel and the congregation house were remodelled in the Perpendicular style around 1510, and new windows were added to match the others in the church, around the same time, St Thomas chantry, now a vestry, was added.
Split into simpler sentences: The north wall of de Brome's chapel and the congregation house were remodelled in the Perpendicular style around 1510, and new windows were added to match the others in the church. Around the same time, St Thomas chantry, now a vestry, was added.