The Wren Urban Nest, based in the heart of Dublin, is a 137-room, nine-floor boutique hotel designed and built using the most advanced carbon reduction technologies. It is one of Europe’s most sustainable hotels in a major city centre. The design of the hotel focuses on compact luxury and energy efficiency, with small format bedrooms decorated and accessorised with the best contemporary Irish craft – a showcase for Irish design from brand to bed, confidently supported with smart, sustainable technologies. BDP’s interdisciplinary team of architects, civil and structural and mechanical and electrical engineers, have taken a number of steps to set the agenda and exceed the client’s requirements of Net Zero Operational Carbon.