Photographed for Fletcher Priest Architects and TTSP
From the river’s edge, One Angel Lane stands as a rare City development that takes its environmental brief as seriously as its architectural presence. Built on the retained substructure of the demolished Mondial House, the scheme preserved 31% of the existing structure, dramatically reducing embodied carbon and avoiding the waste and emissions of a complete rebuild. Of the demolition material generated, 95–98% was recycled, an almost unheard-of statistic for a site of this scale, and of that moment.
Sustainability here is not a veneer. A south-east building operates carbon-neutral in use. Photovoltaics, water recycling systems, and a suite of intelligent building controls together push energy performance to 20% better than Part L2 requirements. The façades work hard, timber louvres tracking the sun, massive oak frames shading and animating the public square, and a dappled dot-matrix glass skin inspired by the movement of the Thames.
Landscaping is more than cosmetic. Two extensive roof terraces, 2,500m² and 500m², combine water rills, pools, and cascades with lawns, York stone event spaces, and iroko-framed seating. Evergreen hedging and perennial planting hold colour year-round, while beehives and staff-tended plots quietly fold biodiversity and urban agriculture into the daily life of the building. A sedum-planted upper roof expands the habitat, softening the building’s outline in long views across the river.
The massing is disciplined: low riverside pavilions respect protected sightlines to St Paul’s, while taller volumes step back, opening the riverfront to the city. At ground level, the widened, pedestrianised Angel Lane and a generous riverside square invite public occupation, a significant expansion of accessible open space along a section of Thames Path long in need of human scale and detail.
By day, One Angel Lane feels calm and precise; by night, the lighting design reveals the depth of the oak structure, the sheen of the glass, and the rhythm of the louvres — a building fully engaged with its setting, its history, and the environmental imperatives of contemporary architecture.
New City Architecture Award 2010.
British Council for Offices Workplace award
London Merit Award 2009 from The Institution of Civil Engineers (ICE)




















