This is actually a legit legal argument called servitude of sunlight. Architects are trained to consider lighting as a part of livability of a home. There's

This is actually a legit legal argument called servitude of sunlight. Architects are trained to consider lighting as a part of livability of a home. There's medical studies that say sunlight affects mood and health. If you love sun and/or spent a bunch of money on an architect to design a home centered around sunlight and a giant track home gets erected next to yours blocking all of your sunlight you've lost alot of value in your home. It becomes an even more interesting when your home is solar powered. Blocking your sun is literally reducing your energy and costing you money.