Compare areas
Cascais or Sintra? Oeiras or Setúbal? The difference is measured in thousands per year.
Areas that look similar on a map can be miles apart on flood risk, annual ownership cost, and rental income potential. Compare up to 4 Portuguese municipalities side by side — on the data that actually matters.
Area Comparison Tool
Compare up to 4 municipalities across 6 scored dimensions. Enter your first area to begin.
homeOS compares up to 4 Portuguese municipalities across six government-sourced dimensions: price trend (AT transactions), annual ownership cost (Portal das Finanças IMI/AIMI), climate exposure (APA, ICNF, POOC), short-term rental viability (RJAL 2023), construction pipeline (municipal licencing data), and foreign buyer liquidity (AT). Each dimension is scored from primary data sources — not portal estimates or agent opinion.
The Lisbon metropolitan area alone spans 18 municipalities. The price-per-m² difference between Oeiras and Setúbal is roughly 40%. The IMI rate difference between Loures (0.45%) and Cascais (0.34%) is €550 per year on a €500,000 property. The flood risk profile in Sintra's coastal parishes is completely different from inland Sintra. These are not marginal differences. They compound over a decade of ownership.
The Area Comparison tool runs all six dimensions simultaneously across your chosen municipalities and presents them in a ranked table you can reorder by priority. If rental yield is your top concern, sort by that. If you're a primary residence buyer worried about annual cost, sort by IMI rate.
Sample comparison — three Lisbon area municipalities
| Dimension | Cascais | Oeiras | Setúbal |
|---|---|---|---|
| Area Score | 73 / 100 | 71 / 100 | 58 / 100 |
| Price trend (12 months) | +6.4% | +5.1% | +3.2% |
| Median price / m² | €4,850 | €3,960 | €2,100 |
| IMI rate (2025) | 0.34% | 0.35% | 0.45% |
| Annual IMI at €400k | €1,360 | €1,400 | €1,800 |
| Flood risk (APA) | Moderate | Low | High — river delta |
| AL status (RJAL 2023) | Containment zone | Open | Open |
| Foreign buyer share | 41% | 29% | 12% |
| Construction pipeline | 312 units | 180 units | 94 units |
How to use the comparison
- Enter your first area and homeOS scores it across all six dimensions
- Add up to 3 more areas with the + button
- Click any column header to reorder by that dimension
- Toggle between "absolute values" and "ranked view" to see both
- Log in to save your comparison and return to it across sessions
- Paid subscribers can export the full comparison as a formatted PDF
Reading the IMI and AIMI figures
IMI (Imposto Municipal sobre Imóveis) is charged annually by each Câmara Municipal on the VPT (Valor Patrimonial Tributário) of the property — which in practice is often lower than the purchase price. The rate set by each municipality falls between 0.3% and 0.45% for urban properties. homeOS shows the current rate and estimates your actual annual IMI bill, not just the rate.
AIMI (Adicional ao IMI) is a national surcharge on the total value of the property portfolio held. It kicks in above €600,000 in VPT value for individuals. If you are buying in addition to other Portuguese property, homeOS calculates your combined AIMI exposure — a number that significantly affects the real annual cost of the investment.
Compare your shortlisted areas now — free
No account needed for your first comparison. Login to add a 4th area, save results, and export as PDF.
Frequently asked questions
The right area is half the investment decision.
Compare up to 4 Portuguese municipalities on the data that determines real ownership cost — not portal headlines.