Also he replaced the iconostasis with a new one and the front door too, both of them sculpted in chestnut wood. The voivode had also the painting reconditioned, but without having the layers of the old painting superseded.
The exterior of the church whose façades are divided into two registers by a frieze that imitated a face brick pattern; the superior register was provided with hollowed-out recesses in the wall, whereas the inferior register was provided with rounded-off recesses in the wall.

Between 1852 and 1856, Barbu Stirbei Voivode had the church renovated, while the old monastic cells were demolished and new ones were constructed in their place. In 1907 and 1935 the church was reconsolidated and between 1954 and 1958 the entire establishment was consolidated, being provided with the modern conveniences: central heating, running water, etc.
In the pronaos of the church, there are the tomb of Danciu, a high magistrate, the father of Matei Basarab Voivode, and the tomb of Matei Basarab Voivode himself – who had initially been entombed at the Dealu Monastery, at Targoviste, and only after that removed to the Arnota Monastery.
The Arnota Monastery is one of the most representative historical monuments in our country and constitutes one of the finest pieces of religious art on the territory of Romania, on account of is exquisite architecture, painting, and sculpture.
In 1999, the holy establishment was transformed into a convent for nuns.