Where was The Ipcress File filmed?

Filming locations

• Studios & sets Pinewood Studios England British film studio and television studio situated in Iver Heath, Buckinghamshire, England

  “The film was made at Pinewood Studios with sets designed by the art directors Peter Murton and Ken Adam.” Wikipedia

• Landmarks & buildings Marylebone station England Railway terminus in Westminster, central London, England, UK

Also per Wikipedia's Filming section

Wikipedia’s Filming section names 1 more place. Each links to the sentence that says so.

Places whose own article says it was shot there

1 place says on its own Wikipedia page that this film was shot there. Not on the map: the quote is linked so you can check it.

• Landmarks & buildings Royal Albert Hall England Concert hall in South Kensington, London, England, United Kingdom

  “Other notable films shot at the hall include Major Barbara, Love Story, The Seventh Veil, The Ipcress File, A Touch of Class, Shine, and Spice World.” Wikipedia

Also shot in these places