Home builder in Cascais
Cascais has the second highest home prices in Portugal. With so much at stake per square metre, it pays to know exactly what the coast and the natural park allow before you start.
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Building in Cascais
Alcabideche, Carcavelos and Parede, Cascais and Estoril, and São Domingos de Rana are the four parishes, and they differ a lot. On the coast and near the park, extra rules apply that do not apply inland.
Architect-led homes are a natural fit here, and in them the quality of execution matters as much as the drawing. See luxury homes.

What is specific to Cascais
- Where to apply
- Through the council's planning permission service.
- The plan
- The PDM was revised in 2015 and has been amended four times, most recently in 2023, including to fit the natural park and coastal plans.
- Prices
- The median sale price was €5,000 per m² in Q1 2026, the second highest in the country after Lisbon (INE).
- Climate
- The national energy manual gives Greater Lisbon 1,071 degree-days and a 21.7 °C summer mean, for the mildest winter zone.
Common questions
Is it better to renovate in Cascais?
Often, because free land is limited. It depends on the house and how much the plan lets you extend.
Are coastal plots restricted?
Usually. Ask how the coastal programme and the natural park affect the address.