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
Park Square, London Park Square, London Park Square is north of Park Crescent and the Marylebone Road in London. It consists of large elegant stuccoed terraced houses by the architect John Nash, and was built in 1823–24. To the south of the square is Regent's Park tube station. Park Square Gardens are in the centre of the square. Immediately to the north is Regent's Park. Most of the square is in Westminster, but the eastern side is in Camden. The square is one of the largest private squares in London. It is dominated by plane trees, originally planted in 1817 to commemorate the