The intervention aimed to halt the deterioration of the monument in Tomar.
The intervention will cover the roof, façades and exterior spaces of the building adjacent to the church.
The construction of the Church of Santa Maria dos Olivais dates back to the 18th century. Conservation work has already begun.
Refurbishment work on Portugal's oldest marian temple was carried out by Signinum.
Signinum was responsible for the intervention on the medieval bridge in Guimarães, classified as an Archaeological Heritage Site.
Students from Belgium and Greece are welcomed as part of Erasmus+ programme
Work also includes conservation and restoration of 19th and 20th century tiles and overhauling the roof.
Signinum restored the metal painting, treated the stone and metal elements such as the alms box and the guard rail.