Formula 1 – This is the Right Formula of understanding the Carpet Area.
This is in case you have 2 Areas with you – One being the Built Up or Chargeable and the Second being the Carpet Area. (Which is usually available. In case there is no Built Up Area and if the builder is only selling on Carpet Areas then of course there is no loading.)
Chargeable Area – 1000
Carpet Area – 650
Difference – 350
Formula is the Difference Divided by Carpet Area For Example – 350 / 650 = The Loading = 53% Which means the loaded area is 53% on Top of the Carpet Area.
Formula 2 – Builders/owners Version when they say Difference between chargeable and carpet area – then what they mean??
Let us say builder says 35% is the difference.
1000 – 35.0% – 650 Carpet
So in short, you should never ask what is the difference, you should ask what is the loading on Top of the Carpet as that is the only and correct way of understanding the correct area and then you can see the price based on the carpet area.
Mumbai Property Exchange.com