London’s incredible engineering projects from Victorian pumping stations to today’s super-scaled Crossrail tunnels keep our megacity running day-to-day

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  55 Broadway (London Underground Head Office)

  Charles Holden, 1927

  Westminster
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  Abbey Mills Pumping Station

  1900

  Newham
• 
  Brentford Canal Toll House and Gauging Lock

  1911

  Hounslow
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  Bunhill Heat and Power Energy Centre

  Tim Ronalds Architects, 2012

  Islington
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  Caledonian Park Clocktower

  J.B. Bunning, 1850

  Islington
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  Carshalton Water Tower and Historic Gardens

  Not known, 1717

  Sutton
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  Crossness Beam Engine House

  Charles H Driver, 1832

  Bexley
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  Deephams Sewage Treatment Works

  Thames Water, 2015

  Enfield
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  Emirates Air Line tour

  Wilkinson Eyre Architects, 2011

  Greenwich
• 
  Engineering Walking Tour

  Westminster
• 
  Greenwich Reach Swing Bridge

  COWI Ltd, Moxon Architects, 2015

  Greenwich
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  Hanwell Flight of Locks & Three Bridges

  Isambard Kingdom Brunel, James Barnes (Resident Engineer), William Jessop (Chief Engineer), 1794

  Ealing
• 
  House Mill

  1776

  Newham
• 
  ICE Engineering Highlights Cycle Tour of the Queen Elizabeth Olympic Park

  Newham
• 
  Markfield Beam Engine and House

  1886

  Haringey