Several restoration and conservation interventions have taken place over the past few years:
- In 1990, a team of National Heritage restorers carried out a series of operations in situ:
- In 2002, fumigation using methyl bromide and the application of an infestation removal product to non polychrome decorated surfaces.
- In 2012, work undertaken to superficially clean surfaces, carry out a complete photographic sweep and take samples for posterior analysis by AOR, Artes y Oficios de Restauración company.