program: site improvements and upgrades for the 13th-century historic landmark, including full renovation of the Officer’s quarters, a panoramic viewing platform on the bunker, and various landscaping upgrades throughout the site.
client: City of Calais
structural engineer: STEBAT
HVAC consultant: Delta Fluides
cost estimator: ECIB
surface: 1,460 m2
construction cost: 1,200,000€
delivery: June 2025