West Ham North - UK Parliament constituency - was created in 1950.
North West Surrey - UK Parliament constituency - was created in 1974.
North West Lanarkshire - UK Parliament constituency - was created in 1918.
Leicester North West - UK Parliament constituency - was created in 1950.
North West Staffordshire - UK Parliament constituency - was created in 1885.
North West Norfolk - UK Parliament constituency - was created in 1974.
Glasgow North West - UK Parliament constituency - was created in 2005.
Leeds North West - UK Parliament constituency - was created in 1950.
Manchester North West - UK Parliament constituency - was created in 1885.
Newham North West - UK Parliament constituency - was created in 1974.
Bristol North West - UK Parliament constituency - was created in 1950.
North West Tyrone - UK Parliament constituency - was created in 1918.
Clwyd North West - UK Parliament constituency - was created in 1983.