Many penthouse flats are observed in bigger major cities such as New York in the very top of high-rise flat buildings. Based upon how big this apartment building there might be one or 2 penthouse apartments. You can get best NYC luxury apartments at http://www.525w52nd.com/.
Wall Street flats could possibly be thought of a penthouse. These flats are often considered luxury property since they may be so costly and may take up the whole floor of this building.
In architectural terms, it's a structure that absorbs less than getting the roof area. Sometimes past penthouse has been used to home the inner workings of the building such as the controllers due to their heating and cooling systems, and also their elevator system. It was in no manners lavish as a penthouse is currently but was little more than the usual lean-to or shack. It wasn't a desirable property like it's now.
Throughout the 1920's in New York when folks had the cash to burn and they desired to make the most of all of the cash, they had the notion of constructing a luxury flat on the upper floor of a building started to take shape.
This made the news once the first penthouse apartment was available to lease. It shortly became an essential characteristic in high-tech buildings with several floors being forced into penthouse flats.