One Canada Square Canary Wharf Management Ltd are responsible for the maintenance of the building. There are about 130 in-house and contract staff who maintain, manage, secure and clean the building. There are normally ten maintenance personnel on-site during working hours and three at night to attend to routine repairs and adjustments to the internal environment. Critical spare parts for the electricity, gas and water systems are kept within the building. One Canada Square has been 'named and shamed' for being the top building to leave the lights on unnecessarily. The research carried out by the BBC's "Inside Out" programme found that on
Grosvenor Square In September 2013, the Government of Canada announced its intention to sell its High Commission building at One Grosvenor Square and "consolidate its diplomatic activity in the UK in a single, central location in Canada House on Trafalgar Square". Since then, Indian real estate group Lodha has demolished the building and is in the process of creating a new, high-end residential development. Grosvenor Square Grosvenor Square is a large garden square in the Mayfair district of London. It is the centrepiece of the Mayfair property of the Duke of Westminster, and takes its name from the surname "Grosvenor". Sir Richard