Fraser Bond are the leading lettings and property management agents for Echo One - London HA2. Echo One residential development in South Harrow, Greater London HA2, completed in 2019. 1 and 2 bedroom apartments and duplex apartments for sale. Transport: South Harrow tube station is just a few hundred metres from the development. The development was built in a joint venture with Origin Housing, a leading housing association in London and Hertfordshire. Echo One is one of the two exciting new joint ventures with Origin, with the second, Echo Two, to folllow. Launched in July 2018.