What is the Housing Affordable Status in Pakistan

Salamun Alaikum,
Please can someone give me a rundown on the questions i have relating to real estate ownership in Pakistan.

  1. What is the price ranges of homes that the majority of the working class can afford?
  2. Are there sufficient homes that are currently available in these price ranges across the country?
  3. Are there developers that will build homes for people within these price ranges.
  4. What are the total estimated cost to take out a loan for such property.
    a)Registration of loan
    b)Cost of Loan (interest share of profit etc…)