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Alatri: what to know before buying a home

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

Liveability index free for any address

Search for an address in Alatri

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 Monte San Marino 1, Alatri.

Alatri, the hilltop acropolis and the Ciociaria countryside

Alatri sits on a hill at around 500 metres, north-east of Frosinone, in the part of southern Lazio known as Ciociaria. At the top of the old town is the acropolis, enclosed by massive walls of polygonal stone blocks that locals call the Cyclopean walls, with the cathedral on the level ground inside. Below the hill the municipality spreads over a large rural area made up of scattered hamlets (contrade) and houses along the country roads.

Buyers here are really choosing between two kinds of place. In the historic centre the houses are stone, often on several floors, reached by steep lanes with little room for a car. Out in the contrade you find detached houses and homes with land, easy to reach by car but some way from shops and schools. Frosinone, the provincial capital, is where people go for offices and for trains to Rome.

At the end of 2023 Alatri had 27,605 residents, down 3.5% on 2011, which still makes it one of the larger of the 91 municipalities in the province. The estimated average age is 45.2, younger than the provincial 46.8, and 22.6% of residents are over 65 against 25.4% across the province. Foreign nationals make up 6.1%, and declared incomes are close to the provincial average.

Earthquakes are a real consideration. On the national scale set by Italy's Civil Protection Department, Alatri is in seismic zone 2, like 58 other municipalities in the province, while 30 are in zone 1. Expected ground acceleration in the built-up area is about 0.164 g. For a stone house in the old town, ask whether any strengthening work has been done; for a newer building, ask for the structural design and the year of construction.

Winters are cold (climate zone E), so heating costs and the energy rating deserve a look. On the slopes the report checks gradient and official landslide maps for the exact address, and the Revenue Agency's cadastral maps let it trace the land parcel.

Key points

  • Old town on a hill, with the acropolis and its polygonal stone walls.
  • Population down 3.5% since 2011, average age 45.2.
  • Seismic zone 2, expected ground acceleration about 0.164 g.
  • Spread-out rural hamlets: check distances to services for each house.

Overview

Alatri is a municipality in the province of Frosinone, in Lazio. At the end of 2023 it had 27,605 residents, the third most populous in the province.

Earthquakes

For Italy's Civil Protection Department, Alatri 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 (59 of 91) are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.164 g, a medium-high value: the level with a 10% probability of being exceeded in 50 years, on rock.

For anyone buying in Alatri, 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 3.5%. The estimated average age is 45 years, lower than the province average (47). 23% of residents are over 65 (the regional figure is 23%). Foreign residents make up 6.1% of the population. On average, a household has 2.5 members.

Income and climate

In tax year 2024, taxpayers in Alatri declared an average taxable income of 21,606 euros, in line with the province (21,514 euros). The Italian average is 24,895 euros.

Alatri is in climate zone E, with 2,102 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 502 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Alatri has 28 schools and 8 pharmacies. The Overture Maps data also lists 19 grocery shops and supermarkets, 13 healthcare facilities, 16 sports facilities and 6 parks and green areas.

There are 0.3 pharmacies per 1,000 residents, fewer than the province average (0.4).

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 10.0% of the land in Alatri, compared with 6.9% in the province and 8.2% in the region. In 2024 built-up land grew by 1.9 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 Alatri, and one more has been cleaned up or closed. 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 Alatri: 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 Alatri 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 99 inhabited census areas in Alatri. Half of the residents live in areas scoring 65 or more.

Residents by band

  • modest 0.7%
  • fair 48.6%
  • good 50.6%
  • very good 0.0%

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 060003. The text on this page is generated automatically from the data.