V2 Arquitectos

Black House is a two-toned residence that comprises two levels located in the neighbourhood of City Bell in La Plata, a town south of Buenos Aires. The ground floor is formed by an exposed concrete shell that measures 13 metres by 13 metres, while the upper portion is clad with planks of charred wood.

https://www.dezeen.com/2020/07/28/black-house-v2-arquitectos-charred-wood-concrete/