One Canada Square the recycling of waste heat to cool and warm the building. Aggregates used in the office build were from predominantly recycled sources, part of a strategy to integrate sustainable products and materials throughout the site, delivering both affordable and sustainable environmentally friendly features to the building. One Canada Square energy performance has improved by decreasing 30% from 2007 to 2016 by initiatives such as installing LEDs and upgrading HVAC and water services. The ground floor, foyer area and basement levels of One Canada Square are open to the general public, having an underground retail area and a transport interchange from
1 Thibault Square cafes and coffee shops throughout the day. The building provides a focal point for Thibault Square. In 2008 the building was acknowledged in a national survey by the South African Institute of Architecture to be one of the country’s "good buildings". 1 Thibault Square 1 Thibault Square, formally known as the LG Building and originally known as the BP Centre, is a modernist skyscraper on the European-style Thibault Square at the end of St George’s Mall, Cape Town, South Africa. Work on the building began in 1969 and was completed in 1972. As of 2014 it is the second tallest