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Seia · report

Renovation in Seia

In 2025, 44% of the buildings finished were work on existing buildings: extensions, alterations and reconstructions.

Work on existing buildings, 2025
44%
Reconstructions per 100 new buildings
0.0

Buildings finished in Seia, 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
20251895032
202428116247
202321138042
202227125044
202123812245
2020231315051
2019242516065
201817197043
201729271057
201628210049
201516262044
201430280159
201333363173
2012375770101
20114248108108

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 Seia

Asking prices have an 80% chance of landing between €772/m² and €961/m² by September 2027.

Expected, September 2027
€866/m²
Chance of a rise
74%

At the bank valuation, a 90 m² home costs €100,980. With 10% down and a 30-year mortgage, the payment is €383 a month. Banco de Portugal caps it at 50% of a household's net income.

Payment, two incomes
17%
Payment, one income
33%

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
€372
Owning per month
€234

Sellers ask 27.0% less than banks value homes at. A year ago the gap was −24.9%.

Gap today
−27.0%
Change in a year
−2.1 pp

17.9% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.

Licensed, 12 months
17
Per 1,000 residents
0.8

Figures for Beiras e Serra da Estrela: Seia has no reliable figures of its own.

Over the last 12 months, buyers domiciled abroad paid 23.0% less per m² than buyers living in Portugal.

Abroad against residents
−23.0%

Asking prices have fallen by 3% or more 5 times since 2015. The deepest began in February 2016.

Deepest fall
−21.3%
Recovery from the low
31 months

In 2025 the population fell by 195 while 9 homes were finished.

Homes finished, 2025
9
Population change, 2025
−195

16.9% of the 17,621 homes counted in the 2021 census stood empty, whether for sale, to let or for other reasons.

Empty, 2021 census
16.9%
Empty homes
2,972

Public bodies signed €1.5M of housing works here in 2018, and €1.5M since 2012.

Signed in 2018
€1.5M
Per resident, 2018
€69

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.

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