Słowa kluczowe: residential buildings, quarantine, COVID-19, living comfort, housing weaknesses, modern sacred architecture, Ukraine, social and semantic meanings, residential environment, aid architecture, emergency shelters, transitional housing, Shigeru Ban, coworking spaces, innovative workspaces, Letnica district in Gdansk, Covid-19 pandemic, remote work model, post-industrial architecture, loft, apartment, architectural conversions, adaptations, sustainable architecture, multi-criteria evaluation methods: LEED, BREAM, environmentally friendly materials, CLT technology, low-emission concrete, heritage, nature, culture, social inclusion, interior design