Imofolio

Alter do Chão · report

Renovation in Alter do Chão

In 2025, 43% of the buildings finished were work on existing buildings: extensions, alterations and reconstructions.

Work on existing buildings, 2025
43%
Reconstructions per 100 new buildings
0.0

Buildings finished in Alter do Chão, by kind of work

Buildings completed each year: new construction, extensions, alterations and reconstructions. INE.

  • Reconstructions
  • Alterations
  • Extensions
  • New construction
Show the numbers
YearNew constructionExtensionsAlterationsReconstructionsTotal
202542107
202432005
2023470112
202213509
2021571114
2020353011
2019542011
2018452011
201713217
201661007
201545009
2014441110
201322105
201210112225
2011774119

INE counts buildings, not homes, and every kind of building, not only housing. A reconstruction rebuilds an existing building; an alteration changes its layout or use.

Other reports for Alter do Chão

Asking prices have an 80% chance of landing between €667/m² and €893/m² by September 2027.

Expected, September 2027
€780/m²
Chance of a rise
49%

At the median sale price, a 90 m² home costs €43,920. With 10% down and a 30-year mortgage, the payment is €167 a month. Banco de Portugal caps it at 50% of a household's net income.

Payment, two incomes
7%
Payment, one income
14%

Owning a 90 m² home costs less each month than renting it. Owning counts interest, running costs and the return the deposit could earn, at the median sale price. Repaying the loan is saving, so it is left out.

Rent per month
€329
Owning per month
€154

107.4% more homes were licensed for construction in the last 12 months than in an average year of the past decade.

Licensed, 12 months
5
Per 1,000 residents
1.6

Figures for Alto Alentejo: Alter do Chão has no reliable figures of its own.

Over the last 12 months, buyers domiciled abroad paid 24.0% more per m² than buyers living in Portugal.

Abroad against residents
+24.0%

Asking prices have fallen by 3% or more 8 times since 2018. The deepest began in August 2022.

Deepest fall
−15.8%
Recovery from the low
4 months

In 2025 the population grew by 20 while 3 homes were finished: 6.7 new residents for every new home.

New residents per new home, 2025
6.7
Population change, 2025
+20

19.0% of the 3,009 homes counted in the 2021 census stood empty, whether for sale, to let or for other reasons.

Empty, 2021 census
19.0%
Empty homes
571

Public bodies signed €98.7K of housing works here in 2022, and €1.1M since 2012.

Signed in 2022
€98.7K
Per resident, 2022
€31

Data: INE, ECB and others · updated October 27, 2026

Asking prices and bank valuations are not sale prices. This is a description of public data, not financial advice.

Made with Imofolio · imofolio.com/en/market/portugal/alter-do-chao/renovation

Selling homes in Portugal? Keep the whole sale in one place.

Imofolio is the CRM for estate agents and agencies: properties, buyers, viewings, proposals and your own website, from the first enquiry to the closing.