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Sommo: what to know before buying a home

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

Liveability index free for any address

Search for an address in Sommo

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 Roma 1, Sommo.

Sommo, farmland between Pavia and the Po

The municipality of Sommo covers a stretch of plain south-west of Pavia, in countryside running towards the river Po: fields, poplar plantations, farmsteads and a village gathered along the main roads. Pavia is close by, and for many residents it is where they work, study and go to hospital.

Newcomers usually look first at transport. There is a railway stop in the municipality served by 2 regional train lines, plus 1 bus line, and the report works out the distance from each address to the stop. Homes are mostly detached houses and small villas, alongside old farmsteads, some of them restored.

Istat, the national statistics office, counted 1,142 residents in 2023, almost the same as in 2011 (down 0.3%). The average age is 47.6, close to the provincial 47.1, while over-65s are 22.9%, fewer than the 25.2% across the province. Foreign residents make up 4.5%. Declared incomes are above the average for the province of Pavia.

Sommo is in seismic zone 3 on the Civil Protection Department scale, like 157 of the 184 municipalities in the province, with expected ground acceleration of 0.071 g. For houses on the plain, rising damp in the walls and the state of the foundations also matter a lot.

Water is the point to check most carefully. Near the Po and the canals some areas can flood, and the report checks each address against the official flood hazard maps. The Revenue Agency (Agenzia delle Entrate) publishes cadastral maps, so the plot is found from the address.

Key points

  • Plain south-west of Pavia, towards the Po.
  • Railway stop with 2 regional lines.
  • Over-65s at 22.9%, below the provincial 25.2%.
  • Seismic zone 3; flood-prone areas checked by address.

Overview

Sommo is a municipality in the province of Pavia, in Lombardia. At the end of 2023 it had 1,142 residents, ranked 91 of 184 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Sommo is in seismic zone 3, a zone where strong earthquakes are possible but rare. Most municipalities in the province (157 of 184) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.071 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 number of residents is nearly unchanged. The estimated average age is 48 years, in line with the province. 23% of residents are over 65 (the regional figure is 24%). Foreign residents make up 4.5% of the population. On average, a household has 2.3 members.

Income and climate

In tax year 2024, taxpayers in Sommo declared an average taxable income of 27,257 euros, in line with the province (26,290 euros). The Italian average is 24,895 euros.

Sommo is in climate zone E, with 2,619 heating degree days: heating may be switched on from 15 October to 15 April, for up to 14 hours a day. The same table puts the town hall at 80 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Sommo has 1 pharmacy. The Overture Maps data also lists 3 sports facilities.

The data shows no schools within the municipality, against a provincial average of 0.9 per 1,000 residents.

Public transport

Within the municipality there are 1 public transport stops, served by 2 train lines, 1 bus line. That is about 0.9 stops per 1,000 residents.

How built-up it is

Buildings, roads, car parks and other sealed surfaces cover 6.3% of the land in Sommo, compared with 9.6% in the province and 12.2% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Sommo is not among the radon priority areas designated by the Regione Lombardia 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 open contaminated sites in Sommo; one has been cleaned up or closed.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Sommo: 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 Sommo 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 23 inhabited census areas in Sommo. Half of the residents live in areas scoring 63 or more.

Residents by band

  • modest 0.3%
  • fair 58.3%
  • good 41.4%

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 018151. The text on this page is generated automatically from the data.