House To Be Bought In Isolo-ejigbo Areas!

Hi. I need a house to buy around Isolo,Ejigbo areas. 3 bedroom bungalow prefarable in a fenced compound, with or without a BQ. Additional unbuilt space/land in the compund would be better appreciated. Also, can anyone give me a breakdown of how much it would cost to build a 3- bedroom bungalow within Lagos? From architectural design costing to other specs,  Thanks.