Once it was a parish church and today it is included in the cemetery, probably dating back to the year one thousand, because it is all in sandstone, renovated over the centuries.
The church is called S. Pietro di Fenestrella perhaps by three small windows of the apse.
According to Bosio it was so named because it is located near the narrow gorge between the two hills, almost forming a window towards Aramengo.
The first information on it is contained in a deed of 1235, by which the bishop of Vercelli gives it to the canonical of Vezzolano to be officiated by it, with the obligation to present the holder to the parson of Pino, to take to the synod and to offer the bishop of Vercelli annually five pounds of wax on the day of St. George.
It is the oldest church in Albugnano, probably before one thousand, because all in sandstone; it was a parish church until the 16th century.
Given that it did not come to us in its primitive form, the church is 5 × 15 meters.
The triumphal arch, in symmetrical layers of terracotta and stone, is no longer the primitive and develops great above a curb or shoulder re-entering 0.20 meters. Against this arch rests, in its original form, the apse of 2 meters of radius and narrow still of 0,20 meters.
It is divided externally by three columns in three fields, each decorated with a multi-centered window at the center of 0.80 × 0.12 m. A stone plank, pierced with geometric designs.
The capitals are cubic and rough and the frame, with a big overhang with geometric designs, is supported by developed arches with roughly decorated shelves. Internally no decoration; the cover of the aisle is on wooden partition.
The external side walls, with the simple base, are divided by two small pilasters pushing up to the frame. It did not reach us, except in his apse.
Indeed, the façade was rebuilt in 1870, at the same time shortening the church of 5 meters, that is a span, and while the primitive was all in sandstone today instead half of the upper part of the side walls, the arches and the masonry on the major arch is made of bricks, small, placed not always with skill, although curled.
The windows and louver are coeval with the walls, but the arches above the stone, part of the frame and the pediments are primitive material.
The upper part in terracotta was rebuilt around 1690. In fact, the visits from 1577 to 1619 say it in a bad state and those 1637, 1648, 1664 do not mention it, because it is no longer officiated. Moreover, in February 1657, the mayors refused to swear in the hands of the vicar of Vezzolano, because the abbey refused to restore St. Peter's.
In 1676 the community protested to the Bishop because “the modern Abbot Doria, on the occasion of possession, has entered the church of St. James, a new parish church, while St. Peter falls and can not be celebrated”, and pleading for quote the vicar. Again, in the 1681 visit, the mayors complain to the bishop and apply for the abbot, or forsake, or repair, so that it can be celebrated.
The petition took effect; the abbot at the renunciation preferred, with good agreement, the restoration. Meanwhile, taking advantage of the opportunity, the town hall in the church made the grave for the poor, Giacomo Serra the family tumulus and the abbot, as from the 1732 visit, supplied the church with the necessary for the celebration of the Mass and a picture of the Holy Family as an icon.
We find in fact a note, June 22, 1711, of 276 lire for furnishings of St. Peter, on behalf of Vezzolano. In all the subsequent reductions to the Doria there is also an inventory of S. Peter, where they are noted: a chalice, a gown, a counter-piece, two mantles, two tunicelle, two black planets with a cope and four candlesticks.
Now the floor is raised, the side door and two windows in rupture are still rear, that is: of that we read for the first time in 1748 and of these in 1764.
An altar, in terracotta, was blessed in 1794. The apse, which has been ruined for several years as can be deduced from a photograph of 1910, had a copious restoration in 1961. In 1966 the new altar was built.