These jargons are not only a little confusing to buyers but also to civil engineers.

You may think, why do I even care about these terms?

I have a reason. Since the modern construction era, more apartment cultures are rising. It is not like an individual house where you own every piece of space in your land.

In an Apartment Community, you will share common areas. If you misunderstand the jargon, you may end up with a big hole in your pocket.

Difference Between Carpet, Built-Up & Super Built-up area

What is the Carpet Area?

Carpet Area is the covered area inside your flat where you can lay your carpet. It is also known as the net usable floor area.

Carpet Area

It includes

  • Bedroom
  • Kitchen
  • Toilets
  • Living Hall
  • Internal Partition Walls
  • Cupboard Spaces

Carpet Area is mostly 70% of the built-up area.

What is the Built-up Area?

The built-up area is the covered area which includes

  • Carpet Area 
  • External wall thickness
  • Balcony and Service shafts.

Built-up area = Carpet Area + External Wall Thickness + Balcony + Service Shafts

built-up area

 According to the thumb rule,

Built-up area = Carpet Area + (15 % of Carpet Area)

Another name of the built-up area is Plinth Area.

What is the Super Built-Up Area?

The term super built-up area has been used in real estate builders.  The built-up area, along with a proposed share of common areas (also called UDS – Undivided share), is known as the Super Built-Up area.

super built-up area

It includes covered spaces such as

  • Built-up Area
  • Lift
  • Lobby
  • Verandah
  • Parking Area
  • Common staircase area
  • Club area
  • Air, Pipe ducts

Super Builtup Area = Built-up Area + UDS

Bedrooms x x x
Living Room x x x
Kitchen x x x
Toilet x x x
Internal Partition Walls (Thickness) x x x
Cupboard Spaces x x x
External Walls x x
Balcony x x
Service Shafts x x
Lift Shafts x
Lobby Area x
Verandah x
Parking Area x
Common Staircase Area x
Club House x
Air or Pipe Ducts x

Happy Learning 🙂


Bala is a Planning Engineer & he is the author and editor of Civil Planets.

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