Located at Heen Ela in Narahenpita, the plot of land where the house is being built was gifted to him by the government following the war victory.
The media has reported that STF protection has been given to the house.
Previously, Narahenpita police arrested four Tamil youths for allegedly having photographed Fonseka house.
They were later found to be residents of Lindula, working at a hotel at Nawala.