Rectangular shape sites are good sites, no worries at all. But the entrance should be according to vastu principles, we must check the surroundings vastu before buying the sites. It is important aspect in vaastu Shastra. The South direction of this site has to be occupied by others, if not planthttp://spiritualsadhana.com/question/who-is-the-best-astrologer-in-ncr-delhi/ »
trees there to minimize the negativity from South direction.