 Building work based on Lutyens' design began on Whit Monday, 5 June 1933, being paid for mostly by the contributions of working class Catholics of the burgeoning industrial port.In 1941, the restrictions of World War II wartime and a rising cost from £3 million to £27 million (£ in ), forced construction to stop.In 1956, work recommenced on the crypt, which was finished in 1958.