Heathrow expansion is threat to Englands largest surviving medieval barn

Exclusive: campaigners warn 600-year-old New Barn at Harmondsworth could be shaken to pieces by vibrationsSix hundred years after it was built, Englands largest surviving medieval timber-framed barn could now be shaken to pieces by aircraft vibrations, campaigners warn.The public has until 1 September to submit objections to the Heathrow airport expansion, which could threaten the survival of the New Barn at Harmondsworth, considered a remarkable example of medieval architecture.