Heathrow expansion ‘is threat to England’s largest surviving medieval barn’

The barn’s significance lies in its extraordinary scale, as well as the near-complete survival of its medieval structural timbers. Photograph: Historic England

Six hundred years after it was built, England’s 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.