An introduction to a passive housing renovation project

De Kroeven, a post-war residential district built between 1965 and 1970, needed upgrading. There was little variation in dwelling size and, although the district had a ‘green’ character at its conception, over time it increasingly turned ‘grey’ as green spaces were utilised for new dwellings.

With the renovation of the social housing in De Kroeven the district is further upgraded and livelihood is guaranteed for at least 50 years for all lifestyle and age groups. The renovation of 134 existing 50 year old houses, based on passive technology has also increased the variation in buildings and improved safety. The ‘energy-renovation’ of the houses has led to a 85% decrease in energy use. Whilst tenants do pay a slightly higher rent, the project pays back by way of a lower energy bill as well as saving the environment.

The aim of housing association Aramis Allee Wonen was to reduce housing expenses in the social housing sector through a renovation that would transform the houses to a ‘new’ state. High energy-use reduction, a high level of comfort in summer and winter, affordability and as little as possible inconvenience during renovation were central aims. The chosen renovation concept led to a renovation period of less than five days in which the house would be ‘peeled-off’ and get a completely new face with external insulation, new windows and roof.