Shrewsbury's St Chad's Church-a building born out of a misunderstanding. The churchwardens of St Chadâs in Shrewsbury really should have listened to Thomas Telford. He told them their building was a death trap, but they wouldnât listen. Shrewsbury's St Chad's Church-a building born out of a misunderstanding. Tweet. Disregarding the young engineerâs warning, they hired a local stonemason to patch up the cracks.