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Susa: 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 Susa

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 Torino 1, Susa.

Susa, the Roman town below the Mont Cenis pass

Susa gives its name to the valley west of Turin and marks the start of its upper stretch, where the Dora Riparia river meets the Cenischia and the road begins its climb to the Mont Cenis pass and France. The Rocciamelone peak towers over the rooftops. Roman Segusium left the Arch of Augustus, the remains of an amphitheatre and the old town gates, and San Giusto cathedral anchors the historic centre.

It has always served the villages around it, and the figures bear this out: schools (1.53 per 1,000 residents against 0.77 in the province) and supermarkets (1.53 against 0.48) are far denser than the Turin average. Trains arrive on the branch line from Bussoleno, which lies on the route to Modane, and the Fréjus motorway has exits close to town.

Buyers need to think about the climate. Susa is in climate zone F, at around 500 metres, with long winters and high heating bills. In the old town, houses are old and stone-built, often on several floors with narrow stairs; on the edges there are blocks of flats from the 1960s and 70s and scattered houses on the slopes. Declared incomes are below the provincial average.

The population is shrinking: 5,898 residents in 2023, 11.0% fewer than in 2011, or 731 people. The average age is 49.1, above the provincial 47.4, and over-65s make up 29.5%.

In the province of Turin, 271 municipalities are in seismic zone 3 and 41 in zone 4, on the scale set by the Protezione Civile (Italy's Civil Protection Department). Susa is in zone 3, with expected acceleration of about 0.135 g, not a negligible figure for Piedmont. For old masonry houses, find out whether roofs and floors have been rebuilt and how. Along the two rivers and at the foot of the slopes, landslide and flood hazard are checked address by address; the Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps.

Key points

  • Arch of Augustus and San Giusto cathedral, in the Susa valley.
  • Climate zone F: long winters, so budget for heating.
  • 5,898 residents, down 11.0% since 2011.
  • Seismic zone 3, expected acceleration about 0.135 g.

Overview

Susa is a municipality in the province of Torino, in Piemonte. At the end of 2023 it had 5,898 residents, ranked 55 of 312 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Susa is in seismic zone 3, a zone where strong earthquakes are possible but rare. The region uses a finer breakdown: here the classification is 3S. 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 0.135 g, a moderate 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 11.0%. The estimated average age is 49 years, higher than the province average (47). 30% of residents are over 65 (the regional figure is 27%). Foreign residents make up 7.9% of the population. On average, a household has 2.2 members.

Income and climate

In tax year 2024, taxpayers in Susa declared an average taxable income of 23,978 euros, below the provincial average (27,231 euros). The Italian average is 24,895 euros.

Susa is in climate zone F, with 3,108 heating degree days, with no limits on when heating may be used. The same table puts the town hall at 503 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Susa has 9 schools and 3 pharmacies. The Overture Maps data also lists 9 grocery shops and supermarkets, 5 healthcare facilities and 4 sports facilities.

There are 1.5 grocery shops and supermarkets per 1,000 residents, more than the province average (0.5).

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 20.8% of the land in Susa, 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

Susa 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 2 contaminated sites, or sites still under investigation, in Susa. The report tells you whether one is close to the address.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Susa: 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 Susa 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 83 inhabited census areas in Susa. Half of the residents live in areas scoring 60 or more.

Residents by band

  • modest 3.1%
  • fair 62.7%
  • good 19.5%
  • very good 14.7%

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 001270. The text on this page is generated automatically from the data.