The demonstration buildings renovated in the course of this flagship project reflect the wide variety of building functions in the period between 1848 and 1918. As well as purely residential buildings, mixed-use buildings (residential use plus offices) were included:

Kaiserstraße / 1070 Vienna
Ambitious renovation in compliance with rules for listed buildings

Eberlgasse / 1020 Vienna
First-ever renovation of a “Gründerzeit” building to Passive House standard

David‘s Corner / 1100 Vienna
Comprehensive strategy for renovating a group of “Gründerzeit” buildings

ROOFJET Wißgrillgasse / 1140 Vienna
Factor-8 renovation with ultra-efficient attic conversion