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Castelnuovo Nigra: what to know before buying a home

A municipality in the province of Torino, Piemonte. Official data on earthquakes, population, services and transport.

Liveability index free for any address

Search for an address in Castelnuovo Nigra

The report looks at the exact point: landslide and flood risk, seismic zone, price per square metre for the area, services and nearby stops.

For example: Via Cappella 1, Castelnuovo Nigra.

Castelnuovo Nigra, the Valle Sacra above Castellamonte

The name comes from Costantino Nigra, the nineteenth-century diplomat born here, in the hamlet of Villa Castelnuovo, and one of the key figures in the foreign policy of Italian unification. The municipality lies in the Valle Sacra, a side valley of the Canavese above Castellamonte and Cuorgnè, at around eight hundred metres, with hamlets scattered among chestnut woods, meadows and forest.

It suits people looking for low mountains about an hour from Turin. Houses are stone-built, often with slate roofs, and many are used as second homes. Before buying, check the access road and whether it stays passable in winter, water, internet and the roof. In climate zone F heating is a major cost, and good insulation makes a big difference to bills.

In 2023 there were 397 residents, down 4.8% on 2011. The population is elderly: an estimated average age of 53.6 against 47.4 for the province, and over-65s at 33.2%. Households are small, 1.62 people on average, and foreign residents account for 6.5%. Declared incomes are below the provincial average.

Castelnuovo Nigra is in seismic zone 3 of the national classification kept by the Civil Protection Department, like 271 of the 312 municipalities in the province of Turin, with an expected ground acceleration in the built-up area of about 0.048 g. On the valley slopes, landslides and floods from mountain streams matter more, to be checked on the official maps for the exact address.

The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps and the report finds the land parcel from the address, useful in hamlets where boundaries between properties are not always obvious.

Key points

  • Valle Sacra in the Canavese, birthplace of Costantino Nigra.
  • Small households: 1.62 people on average.
  • Seismic zone 3, like 271 of 312 Turin municipalities.
  • Hamlets higher up: check winter access and water.

Overview

Castelnuovo Nigra is a municipality in the province of Torino, in Piemonte. At the end of 2023 it had 397 residents, ranked 272 of 312 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Castelnuovo Nigra is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (271 of 312) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.048 g, a low value: the level with a 10% probability of being exceeded in 50 years, on rock.

Even in zone 3, seismic standards apply to new buildings: for an older building, ask about the design year and any structural work.

Population

Compared with the 2011 census, the resident population has fallen by 4.8%. The estimated average age is 54 years, higher than the province average (47). 33% of residents are over 65 (the regional figure is 27%). Foreign residents make up 6.5% of the population. On average, a household has 1.6 members.

Income and climate

In tax year 2024, taxpayers in Castelnuovo Nigra declared an average taxable income of 21,388 euros, below the provincial average (27,231 euros). The Italian average is 24,895 euros.

Castelnuovo Nigra is in climate zone F, with 3,483 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 828 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Castelnuovo Nigra has 1 pharmacy.

The data shows no schools within the municipality, against a provincial average of 0.8 per 1,000 residents.

Public transport

We do not yet have open public transport timetables for this municipality: the report says so explicitly, without inventing distances.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 1.4% of the land in Castelnuovo Nigra, compared with 8.6% in the province and 6.7% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Castelnuovo Nigra is not among the radon priority areas designated by the Regione Piemonte in 2023. Radon varies from building to building and can only be known by measuring it, especially on ground floors and in basements.

Official databases list no contaminated sites in Castelnuovo Nigra.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Castelnuovo Nigra: the report checks the address against the ISPRA maps.

House prices

The Revenue Agency's price ranges per square metre (OMI) apply to zones, not to whole municipalities: the report gives the range for the address's zone.

Land registry

The cadastral maps for Castelnuovo Nigra are public: from the address the report finds the sheet and parcel number.

Liveability area by area

The Vicinalia liveability index runs from 0 to 100 and looks at the place, not the people who live there: services within walking distance, transport, green space, natural hazards, air, quiet, buildings and connection. Here it is worked out at the centre of each of the 17 inhabited census areas in Castelnuovo Nigra. Half of the residents live in areas scoring 71 or more.

Residents by band

  • fair 17.0%
  • good 83.0%

Vicinalia index by census area, licence CC BY-SA 4.0. Data: IdroGEO ISPRA (2026), Istat, INGV, EEA, AGCOM, Overture Maps and OpenStreetMap.

The colour is the value at the centre of the area. For an exact address, search for it above: the free check looks at that exact point. How the index is worked out

Data sources

ISTAT code 001067. The text on this page is generated automatically from the data.