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Vetralla: what to know before buying a home

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

Liveability index free for any address

Search for an address in Vetralla

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 Cassia Interna 1, Vetralla.

Vetralla, between the Via Cassia and the Cimini hills

By population Vetralla ranks number 4 among the 60 municipalities in the province of Viterbo. The old town stands on a spur of tufa, the soft volcanic stone of this area, south-west of Viterbo at the foot of the Cimini hills, and the ancient Via Cassia runs through it towards Rome. Around it are hazelnut orchards and olive groves, and out in the countryside there are Etruscan tombs cut into the rock, such as the necropolis of Norchia.

Buyers here face very different choices. In the old town the houses are built of tufa and packed together, with narrow streets and little room to park. Along the Cassia and in the village of Cura the town has grown with newer blocks of flats and detached houses that are easy to reach by car. Then there are scattered country houses among the hazelnut groves, reached by farm tracks. The regional railway between Rome and Viterbo stops at Vetralla, which gives commuters to Rome an alternative to the car, although the journey is not quick.

Istat, the national statistics office, counted 13,351 residents in 2023, 156 fewer than in 2011, a fall of 1.2%. The estimated average age of 47.1 is close to the provincial figure (47.5); over-65s make up 25.3% and foreign residents 10.5%. Households have 2.09 members on average.

In this part of Lazio, known as Tuscia, 40 municipalities are in seismic zone 2 and 20 in zone 3. Vetralla is in zone 2, with an expected ground acceleration of about 0.132 g in the built-up area. Tufa is a soft stone and old-town houses often carry centuries of additions, so look closely at the walls, any cracks and the work done on the floors.

The Revenue Agency (Agenzia delle Entrate) publishes the cadastral maps, and the report finds the plot from the address. At the edges of the spur and along the gullies cut into the tufa, rock faces can be unstable, so landslide hazard needs checking building by building.

Key points

  • On the Via Cassia, with a regional railway to Rome.
  • Population down 1.2% since 2011; over-65s at 25.3%.
  • Seismic zone 2, like 39 other municipalities in the province.
  • Tufa old town: check walls and floors.

Overview

Vetralla is a municipality in the province of Viterbo, in Lazio. At the end of 2023 it had 13,351 residents, among the most populous in the province (4 of 60).

Earthquakes

For Italy's Civil Protection Department, Vetralla is in seismic zone 2, a zone where strong earthquakes are possible. The region uses a finer breakdown: here the classification is 2B. Most municipalities in the province (40 of 60) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.132 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Vetralla, the building matters a great deal: ask for the design year, whether it met the 2008 seismic standards, and whether any seismic retrofit has been carried out.

Population

Compared with the 2011 census, the resident population has fallen by 1.2%. The estimated average age is 47 years, in line with the province. 25% of residents are over 65 (the regional figure is 23%). Foreign residents make up 10.5% of the population. On average, a household has 2.1 members.

Income and climate

In tax year 2024, taxpayers in Vetralla declared an average taxable income of 21,612 euros, in line with the province (22,031 euros). The Italian average is 24,895 euros.

Vetralla is in climate zone D, with 1,953 heating degree days: heating may be switched on from 1 November to 15 April, for up to 12 hours a day. The same table puts the town hall at 300 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Vetralla has 9 schools and 4 pharmacies. The Overture Maps data also lists 14 grocery shops and supermarkets, 7 healthcare facilities and 8 sports facilities.

There are 1.0 grocery shops and supermarkets per 1,000 residents, more than the province average (0.8).

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 5.4% of the land in Vetralla, compared with 4.7% in the province and 8.2% in the region. In 2024 built-up land grew by 0.7 hectares.

Radon and contaminated sites

According to the ISPRA map, the estimated radon emission in the municipality is medium. 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 Vetralla. 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 Vetralla: 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 Vetralla 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 70 inhabited census areas in Vetralla. Half of the residents live in areas scoring 71 or more.

Residents by band

  • modest 0.0%
  • fair 14.2%
  • good 85.0%
  • very good 0.7%

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 056057. The text on this page is generated automatically from the data.