trade or calling

• occupiers liability act 1957


  also covers duty owed by occupier to those exercising a calling
• s2(3)(b) an occupier may expect that a person, in the exercise of his calling, will appreciate and guard against any special risks ordinarily incidental to it, so far as the occupier leaves him free to do so
• those carrying out a trade expected to take measures to avoid risks associated with it
• Roles v Nathan


  occupier can expect workmen to appreciate and guard against risk that are incidental to their work
• rule acts as a defence to an occupier
• only applies where tradesman visitor is injured by something related to his trade or calling
• if tradesman is injured by something different the occupier will still owe the common duty of care