EN OUR PAST PROJECTS 550 Madison Most recently, Chelsfield served as Co-Developer and Asset Manager for 550 Madison Avenue, a landmark 850,000 sq ft mixed-use prime Manhattan tower owned by The Olayan Group. Working with the award-winning architecture firm Snøhetta, the project delivers one of the most progressive visions for an office tower in New York City. The building concept set out in 2017 optimises and enhances its commercial and retail spaces, fosters the public realm and is centred on amenities, health and wellness, sustainability and high-quality air filtration. 550 Madison will be New York’s first LEED Platinum and WELL Gold building. 550 Madison 273 Rue Saint-Honoré Hollandgreen Elizabeth House 205 Holland Park Avenue Club Quarters Park Lane Mews Hotel 67 Brook Street Camden Market Stratford City Burberry, Bond Street Westbury Hotels Paddington Basin White City Ralph Lauren, Bond Street Chesham Place Merry Hill Wentworth Stockley Park