Ernst-Neufert-Haus, Post-war residential building in Darmstadt, Germany.

The Ernst-Neufert-Haus is a residential building in Darmstadt from the post-war period, composed of interlocking cubic segments with a brown clinker brick facade. Its layout shows the rational design principles of post-war modernism across multiple levels with varied apartment sizes.

The building was built from 1952 to 1955 to Ernst Neufert's design for the Bauverein für Arbeiterwohnungen, following his 1951 exhibition entry at "Mensch und Raum". It opened as a Ledigenheim with 156 small flats, plus a laundry, a shop and a restaurant. A renovation at the start of the 21st century merged units into larger flats, adding four atrium flats in the roof and maisonettes modelled on Le Corbusier's Unité d'habitation.

The building's name honours Ernst Neufert, whose 1951 design was shown in the "Mensch und Raum" exhibition before construction by the Bauverein für Arbeiterwohnungen. The complex originally held a laundry, a shop and a restaurant, and the restaurant terrace on the base is still reached by the wide outdoor staircase on the west side.

The building is visible from outside and can be studied by visitors since it is a protected monument. Access to the residential areas is generally not open, but the architecture and design can be appreciated from the street.

The building was designed following the principles of Ernst Neufert, who worked under Walter Gropius and wrote standardization guidelines for construction. These principles made building more efficient and rational, which was crucial for rapid reconstruction after the war.