This traditional layout is normally called a maisonette, especially if the building is older, but the term "duplex" is increasingly used by estate agents because of the perceived glamour of the term.
30'X42' House Architecture
Two floor layout plan with
Roof plan of 17x14m ground
Multiple houses layout pla
House Site Plan In DWG Fil
Roof plan of view of 23x16
26x16 Meter House Terrace
The front section view of
First floor and cover plan
Front elevation lodging ho
11x13 Meter 3 BHK House Pl
Three story residential ho