How much it cost to build a good double story house in islamabad (50*90)

[humaurtum2k6 (Rana RS)]

Can anyone give me a rough cost estimate to build a double story house in islamabad. I have plot size 50*90.

[ihsanmarwat (Prop Guide)]

Sir rate varies from 1800 to 3000 sq feet of covered area.

Regards