In this chapter
In this chapter
- Building a new home became about 33% more expensive between 2020 and 2025; labour rose 41%.
- In 2022 materials soared with the war in Ukraine; in 2026 they rose again with the energy shock.
- Labour has risen by 5% to 8% every year since 2021: a sign of a shortage of workers.
- 6% VAT on residential construction only covers works started from late 2025 onwards.
Three shocks in six years
The construction cost index for new housing rose 12.2% in 2022, the highest in decades, and between 3% and 4% a year in 2023–2025. In August 2026 it was up 7.5% on August 2025, with rises in both materials and labourPrimary sourceINE — Indicador 0011748 — índice de custo de construção de habitação novaMonthly series up to August 2026.Open the original ↗Secondary sourceCNN Portugal — Custos de construção de casas novas sobem 7,5% em agostoConfirmed in the INE series.Open the original ↗.
Construction costs month by month, 2020–2026
Year-on-year change in the new housing construction cost index · % · Jan 2020 – Aug 2026
- Total
- Materials
- Labour
Official data INE, new housing construction cost index, 2021 = 100 (0011748). Year-on-year change: Own calculation.
Covid and Ukraine (2021–2022). In May 2022 materials were rising 19.5% a year; ceramic products more than 70%, steel and diesel more than 30%Secondary sourceidealista/news — Custos de construção: materiais em maio de 2022 (INE)Materials +18.7% a year in May 2022 (earlier series); ceramics more than 70%.Open the original ↗. They stabilised in 2023–2025 but did not return to earlier levels.
Iran (2026). The attacks on Iran at the end of February 2026 and the disruption of the Strait of Hormuz pushed Brent crude above $100 and European gas up by more than 60%Secondary sourceidealista/news — Guerra com o Irão: petróleo e gás disparamBrent above $100; European gas +60%.Open the original ↗. In August 2026 no material was cheaper than a year earlier; diesel and copper wire were up about 30%.
Construction costs of new housing
Change in the annual average of the index · % · 2019–2025
- Total
- Materials
- Labour
Official data INE, new housing construction cost index, 2021 = 100 (0011748). Cumulative: Own calculation.

Labour shortage
Labour is the cost that never stops: it rose by 5% to 8% every year since 2021, in annual averages, about 41% cumulatively between 2020 and 2025. The industry association AICCOPN/CPCI estimates a shortfall of 80,000 workersSecondary sourceECO — PRR: falta de mão de obra na construção civil é risco para meta de 2026AICCOPN/CPCI estimate: shortfall of 80,000 workers.Open the original ↗. Third-party estimate
The sector depends on foreign workers. Social Security counted more than 600,000 foreign nationals paying contributions during 2025 in three sectors combined: administrative services, accommodation and food services, and constructionSecondary sourceObservador — Quem são os contribuintes estrangeiros e onde trabalhamMinistry of Labour data: more than 600,000 in three sectors (2025).Open the original ↗. In December 2025 about 117,000 foreign nationals were paying contributions in construction. New registrations of foreign nationals with Social Security fell 35% in the first eight months of 2025Secondary sourceidealista/news — Banco de Portugal: entradas de estrangeiros na Segurança Social caemNew foreign registrations with Social Security −35% in the first eight months of 2025.Open the original ↗.
What we do not yet know
No source publishes the share of foreign nationals in construction employment. The 600,000 are an annual count across three sectors; the 117,000 are a snapshot of one month. They are not comparable, and the share is in the verification log as still to be calculated (V04).
Taxes and licensing
Until 2025 new construction paid 23% VAT. The Montenegro government approved 6% VAT on the construction and renovation of housing, for works whose licence application or prior notice falls between 25 September 2025 and the end of 2029, with ceilings on sale prices and rentsPrimary sourceDiário da República — Decreto-Lei n.º 97/2026 (IVA a 6%, IMT para não residentes, RSAA)Official text read.Open the original ↗Secondary sourceECO — Casas terão de ser vendidas ou arrendadas dois anos após construção para beneficiarem de IVA a 6%Conditions and ceilings for 6% VAT on construction.Open the original ↗. Since a building takes two to four years, the first homes covered will only be ready from 2027.
The IMF points to slow licensing as a structural cause. The Simplex Urbanístico licensing reform, from the Costa government and in force since March 2024, tried to shorten it. Average times before and after have not yet been measured (log item V10).
Counter-arguments
- Construction costs rose much less than house prices (+33% against +164% in 2015–2025, over different periods). Costs explain part of the rise, not most of it.
- Higher costs can also reflect more demand for building work, not only scarcity: when there are more projects, contractors can charge more.
