بسم الله الرحمن الرحيم
(Fatwa: 1074/831/H=9/1434)
It is wajib to pay the zakah of 3 lakhs. It is necessary to pay the zakah on the amount though it is kept to build the house. Zakah shall be wajib each year until it is with you.
Allah knows Best!
Darul Ifta,
Darul Uloom Deoband
