This issue features an intriguing new passive house apartment building in north-west Spain. This article was originally published in issue 35 of Passive House Plus magazine. Want immediate access to all back issues and exclusive extra content? Click here to subscribe for as little as €10, or click here to receive the next issue free of charge Vigo, Galicia, Spain. A striking new block of passive house apartments has risen in the city of Vigo, in north-west Spain, on the site of a popular old hotel. But the team behind the project, led by architect Leonardo Llamas Álvarez of Edifico Arquitectura, faced a daunting challenge: preserving the concrete slabs and columns from the original Hotel Galicia while building an airtight and superinsulated structure on the narrow urban site, between two existing party walls.