 The stations were demolished between 2001 and 2003 . The smaller buildings and structures were first to be demolished . One worker was killed during the demolition work , in May 2001 , crushed underneath an electrical connection box which fell from a wall . On 31 October 2001 , the ash silo which stood at the ash dock was toppled using explosives to demolish the stilts the structure stood on . The silo was then dismantled by bulldozers . All of the smaller structures had been removed by July 2002 . On 11 July 2002 , the A Station 's boiler house was demolished . The 61 @-@ metre ( 200 ft ) high coal conveyor belt was demolished on 6 February 2003 . The station 's precipitators were demolished on 27 March and 17 April 2003 . On 1 May 2003 , the B Station 's bunker bay building was demolished , and on 22 May 2003 , the stations air heater was demolished . A fire started at the station on 17 June 2003 , when a bunker caught fire after hot cutting equipment set fire to coke remnants . All of the larger structures had been demolished by July 2003 . It was planned for the stations ' chimneys to be demolished in October 2003 , but that had to be postponed due to the complexity of the demolition . However , at noon on 7 December 2003 , the four chimneys , each weighing 17 @,@ 000 tonnes ( 16 @,@ 730 long tons ; 18 @,@ 740 short tons ) , were demolished using a total of 150 kilograms ( 330 lb ) of the industrial explosive Gelemex . The demolition is thought to have been the biggest chimney demolition in 50 years . 
