Designs are under way for a new cathedral roof, following recognition that the 'second skin' of bricks, laid ten years ago, has failed to prevent leaks.
Architects plan for a pitched roof, closely copying architectural drawings sketched by Ventura Rodríguez in 1764.
Responsibility falls on the regional government to give the go-ahead, as the diocese prepares to present designs to the regional Culture monastery.
The diocese has assured that the tourist route around the cathedral will not be affected.