The provisions and requirements of this chapter shall be held paramount to any corresponding or similar but less restrictive provisions and requirements established by any law, ordinance, rule or regulation or by deed restriction, private covenant or agreement. Where this chapter imposes a greater restriction or limitation upon the use of buildings or premises or upon the height of buildings or lot coverage or requires greater lot areas or larger yards, courts or other open spaces than are presently imposed or required by existing provisions of law or ordinance, by existing rules, regulations or permits or by covenants or restrictions imposed by deed or private agreement, the provisions of this chapter shall control.