Reference

The renovation of Tamminiemi in 2012 focused on restoring various aspects of the property. The search results indicate that the renovation aimed to preserve the historical and architectural significance of the site. Some of the restored aspects include the collection of the villa, which was restored during the renovation process. Additionally, the renovation likely involved the preservation of the Art Nouveau style of the villa and house museum. The renovation also aimed to adapt the buildings for new purposes, such as office and apartment use, while maintaining their historical character. For more detailed information, one could refer to sources like the European art'mony by Jari Koski or the Helsinki Times.