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Allai: what to know before buying a home

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

Liveability index free for any address

Search for an address in Allai

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 Vittorio Emanuele 1, Allai.

Allai, in the Barigadu along the Tirso valley

Allai is a small village in the Barigadu, the historic district inland from Oristano crossed by the river Tirso. It lies at low altitude in the valley, with olive groves and pasture around it and hills rising on every side. Oristano is the reference town for work, secondary schools, hospitals and offices, reached by car on country roads.

Being close to the river and its tributaries is the first thing a buyer should check: flood hazard varies a lot between houses near the watercourse and those higher up, and the report reads it on the official maps at the exact address. Homes are mostly one- or two-storey village houses, some in stone, with a courtyard; roof, damp and the wiring and plumbing are the items to inspect. The climate zone is C, and summers in the valley are hot.

In 2023 there were 349 residents, down 5.7% on the 370 of 2011, according to Istat, the national statistics office. The estimated average age is 50.9, close to the 49.8 of the province of Oristano, and over-65s make up 33.0%, against 29.5%. Households average 2.13 people. Declared incomes are slightly below the provincial average.

Earthquakes are not an issue: all 87 municipalities in the province of Oristano are in seismic zone 4, the lowest on the Civil Protection scale, and expected ground acceleration in the built-up area is about 0.050 g. The costs to plan for are upkeep of the house and, if needed, cooling.

The Revenue Agency (Agenzia delle Entrate) publishes cadastral maps for Allai, so the report goes from the address to the land parcel.

Key points

  • Barigadu village in the Tirso valley.
  • Near the river, check flood hazard.
  • 349 residents, down 5.7% since 2011.
  • All 87 municipalities around Oristano in seismic zone 4.

Overview

Allai is a municipality in the province of Oristano, in Sardegna. At the end of 2023 it had 349 residents, ranked 65 of 87 municipalities in the province.

Earthquakes

For Italy's Civil Protection Department, Allai is in seismic zone 4, the lowest-risk zone, where strong earthquakes are very rare. All 87 municipalities in the province are in the same zone.

In the built-up area, the expected ground shaking (peak ground acceleration, PGA) is about 0.050 g, a moderate value: the level with a 10% probability of being exceeded in 50 years, on rock.

In zone 4 the risk is low, but for an older building it is still worth asking about the state of the structure.

Population

Compared with the 2011 census, the resident population has fallen by 5.7%. The estimated average age is 51 years, in line with the province. 33% of residents are over 65 (the regional figure is 27%). Foreign residents make up 2.3% of the population. On average, a household has 2.1 members.

Income and climate

In tax year 2024, taxpayers in Allai declared an average taxable income of 18,481 euros, below the provincial average (19,764 euros). The Italian average is 24,895 euros.

Allai is in climate zone C, with 969 heating degree days: heating may be switched on from 15 November to 31 March, for up to 10 hours a day. The same table puts the town hall at 52 metres above sea level.

Services

In the official Ministry of Education and Ministry of Health lists, Allai has 1 pharmacy. The Overture Maps data also lists 1 healthcare facility.

The data shows no schools within the municipality, against a provincial average of 1.2 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 1.7% of the land in Allai, compared with 3.4% in the region. In 2024 built-up land stayed almost the same.

Radon and contaminated sites

Allai is not among the radon priority areas designated by the Regione Sardegna in 2022. 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.

Landslides and flooding

Landslide and flood hazard changes from one street to the next even within Allai: 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 Allai 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 2 inhabited census areas in Allai. Half of the residents live in areas scoring 71 or more.

Residents by band

  • good 100.0%

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 115005. The text on this page is generated automatically from the data.