All boards of appeal, including the Planning Board acting in its appellate capacity, may reverse or affirm, wholly or partly, or modify the order, requirement, decision, interpretation or determination being appealed and shall make such order, requirement, decision, interpretation or determination as, in its judgment, ought to have been made in the matter by the administrative official charged with the enforcement of this chapter, and to that end shall assume all the powers of the administrative official from whose order, requirement, decision or determination the appeal is taken or provide relief from this chapter as such board deems appropriate.