Rennes: 46 additional social housing units created without concrete in tower blocks

The city of Rennes is testing 'building recycling' to address housing shortages.

Published 3j1 sourceNotable

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The fact

A project is transforming existing social housing towers to add 46 units without new construction.

This approach aims to increase housing density without further land artificialization.

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Auto-synthesis from 1 media source · identified on September 10, 2026