Fraser Bond are the leading lettings and property management agents for Angel Building - London EC1V. The Angel Building office building in Angel, London EC1. The Angel Building is all about improving radically on the thinking of the past, to provide the best possible office environment for today. A restrained piece of enlightened modern architecture by award-winning architects AHMM, it contains over 250,000 sq ft (NIA) of exceptional office space. With a remarkable atrium, fine café, and exclusively-commissioned works of contemporary art, it also enjoys exceptional views from its enormous.