If you are considering renovating your home, keep in mind the following four architectural trends that are expected to gain traction in 2015. 1. Elevators. Although elevators have been a common fixture in Pakistan’s commercial buildings, elevators in homes are rare, mainly due to the high cost of buying, installing and maintaining them. However, new technologies – such as vacuum elevators – have reduced costs substantially. Consequently, home elevators – have reduced costs substantially. Consequently, home elevators are not only less expensive, they can be installed within three to five days.  Costs (including installation): Rs 2-2.5 million. Impact on property value: An increase of 10-13%.<\/p>