in 2000. In the 20th century, Mitcham became surrounded by modern council housing and light industry. Housing varies between the large rented sector, privately acquired properties much of which due to the Thatcher Ministry-introduced right to buy and significant dependence in certain areas on social housing. Across the borough, around 40% of the population are ethnic minorities. Members of Parliament Election results Elections in the 2010s Elections in the 2000s Elections in the 1990s Elections in the 1980s Elections in the 1970s See also List of parliamentary constituencies in London Notes References External links Politics Resources (Election results from 1922 onwards) Electoral Calculus (Election results from 1955 onwards) Parliamentary constituencies in London Constituencies of the Parliament of the United Kingdom established in 1974 Politics of the London Borough of Merton Morden