No board, agency, officer, or employee of the town shall issue, grant, or approve any permit, license, certificate, or other authorization, including adjustments by the Board of Appeals, for any construction, reconstruction, alteration, enlargement, or moving of any building, or for any use of land or building that would not be in full compliance with the provisions of this chapter. Any such permit, license, certificate, or other authorization issued, granted or approved in violation of the provisions of this chapter shall be null and void and of no effect, without the necessity of any proceedings or revocation or nullification thereof, and any work undertaken or use established pursuant to any permit, license, or certificate or authorization, shall be unlawful, and no action shall be taken by any board, agency, officer or employee of the town purporting to validate any such violation.