The most expensive floor in an elevator apartment is typically the top floor. This is due to several factors that contribute to the higher value of these units. According to a study by the National Association of Realtors, the top floor of a building often commands a premium due to the additional square footage and the panoramic views it offers. Additionally, the top floor units are often perceived as being more exclusive and desirable, which can further drive up their prices.

Several reasons explain why top floor apartments are more expensive. Firstly, the additional square footage is a significant factor. Top floor units often have higher ceilings and larger windows, which can result in more living space. Secondly, the panoramic views are highly sought after by buyers, especially in urban areas where skyline views are rare. These views can add significant value to the property. Furthermore, the top floor units are typically the most private, as they are not overlooked by other apartments in the building.

Another reason for the higher price of top floor apartments is the maintenance aspect. These units often require less maintenance than those on lower floors, as they are less susceptible to noise and dirt from the street. This can be a major selling point for potential buyers, especially those who value convenience and minimal upkeep.

Data from the Zillow Home Value Index supports these findings. In a report published in 2020, Zillow found that the average price per square foot for top floor apartments was 8% higher than for apartments on the ground floor. This trend was consistent across various cities and building types, indicating a widespread preference for top floor units.

In conclusion, the top floor of an elevator apartment is generally the most expensive due to factors such as additional square footage, panoramic views, exclusivity, and lower maintenance requirements. These features make top floor units highly desirable, leading to higher prices in the real estate market.