Land use change

At first Particular land which is to be used for construction of building should be declared Non agricultural land under Sec 143 U.P.Z.A.L.R Act. Rest may be used as being a farm house for agriculture  or pisciculture or gardening etc, without any formality. 

First u obtain a N.A permission thereafter u built a firm house.

As Under section 143 of UPZA & LR ACT u have to declare your land as non- Agricultural land. Thereafter u can make any farm house of Building on it.