Hanover Square was laid in 1741 and was the first of the three Mayfair Squares to be built.
Almost three centuries on, 25 Hanover redevelops the site to help returning historical context to the square.
The façade comprises of traditional materials, Portland stone with steel window frames which are used in a contemporary yet former styling which pays homage to the Georgian era.
The technical challenges were demonstrating control of dissimilar material behaviours. Active steel surface patinas required clinical run-off and hidden filtration design which preserved the porous white natural stone and observed façade boundary thresholds.
Façade Typologies
Weathering steel cladding – Steel windows – High performance glazing – Natural stone: Limestone, Moorcroft – Steel and glass balustrades. Magnetic Levitation steel and glass doors.
