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1 Congress Street

Portsmouth, NH

Markets

Historic

Sustainable

Historic Rehabilitation

Hospitality

Mixed-Use

Ownership

One Market Square, LLC Portsmouth, NH

Role

Architect

Historic rehabilitation of three significant late 19th century buildings, with a new four story addition, underground parking and skyway bridge connection to neighboring structure.

The design concept of “time as shaped by light” revolves around the iconic historic North Church Steeple Clock, which dominantly presides over these edifices. Existing buildings will undergo deep energy retrofits with passive and active energy reduction strategies employed in the new addition. A boutique hotel on the upper floors will integrate the old with the new, supported by ground floor restaurant and lounge uses. A dramatic transformation of the surrounding site with improved pedestrian ways and intimate public spaces will enhance wayfinding and forge new connections to urban focal points in the surrounding neighborhood.