Message by Dr. Smita: Vastu Shastra is not an over the counter medicine (OTC). One should never practice it by reading few articles or books as it can have negative effects and one might also end-up spending a huge amount of money on the building. Like a human body, every house/office is a different study, hence it requires an expert to analyse it. Vastu Consultants are the doctors of buildings.
Balconies or Extensions should be carefully planned when constructing a new house. The above video tell you which are best locations for balconies and which direction should be prevented. Get Vastu tips for creating a new balcony or if you already live in a existing house / apartment then what tips should one follow for balconies in the wrong direction.