![](https://static.dezeen.com/uploads/2015/06/House-B_Format-Elf_dezeen_sq.jpg)
House B by Format Elf contains two floors within its large asymmetric roof
Format Elf Architekten has disguised a three-storey family home as a two-storey building by incorporating both upper floors within a large asymmetrically pitched roof (+ slideshow). More