Several factors influence real estate prices in Caldas da Rainha, including location, amenities, and market demand. Properties near the city center or popular attractions like the Thermal Hospital usually command higher prices due to their accessibility and desirability. The presence of schools, parks, and shopping areas also adds value, particularly for families. Additionally, the area's historical significance and cultural heritage can attract buyers looking for charm and character, often seen in traditional Portuguese architecture. Economic conditions, such as local employment rates and the influx of foreign investors, play a crucial role in determining market trends. Seasonal fluctuations affect prices as well, with tourist demand increasing during summer months, leading to higher rental prices in some neighborhoods. Lastly, recent developments in infrastructure, including transportation links and public services, can lead to an appreciation in property values over time.