Setback and its importance in building

What is a setback in buildings?

A building setback is the minimum amount of open space surrounding a building that must be maintained. The government mandates a minimum setback distance for the construction of every building. It is necessary to keep a certain distance between the new construction site and any existing structures. Maintaining this distance prevents the structure from being close to highways, watercourses, or other structures.

Types of setback in buildings

Three kinds of building setbacks are considered when constructing a house, and these are:

  • Road side margin: It refers to the space offered in front from the edge of the road side to the building.
  • Side margin: It means the space offered on every other side of the building.
  • Rear margin: Rear margin refers to the space offered from the rear or back edge of the building.

What is the importance of a setback in buildings?

Setback plays an integral role in any residential building due to the below reasons-

  • To ensure adequate natural light
  • To ensure sufficient ventilation
  • To protect entities, such as water bodies located close to a building from being adversely affected by the construction and human inhabitation
  • To protect one building from the shadow of another, which would otherwise obstruct the provision of ventilation and sunlight
  • To protect buildings from noise-causing elements, such as nearby industries, airports, or highways
  • To ensure easy access to the buildings

Simply put, the purpose of setbacks is to ensure one building does not infringe on another building’s right to sunlight, ventilation, greenery, and vehicular access. Seamless passage for vehicles is extremely important as rising building density makes it harder for emergency services, such as fire engines to move around during a mishap

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