6.—(1) The enactments mentioned in the First Schedule to this Act are hereby repealed to the extent specified in the third column of that Schedule.

(2) Notwithstanding subsection (1) of this section, grants under any enactment repealed by that subsection may be made in respect of works commenced before the repeal of the enactment.

(3) Where, as respects the provision or reconstruction of a house or the execution of works (including the provision and installation of a private water supply and private sewerage facilities), a grant is made under an enactment repealed by this Act and but for subsection (1) of this section an enactment providing for—

(a) the reduction of the rateable valuation of a tenement for rating purposes,

(b) the non-increase of the rateable valuation of a tenement within a stated period,

would have applied, such enactment shall, as respects the tenement, continue to apply as if this Act had not been enacted.

(4) In this section, “rating purposes” has the same meaning as in section 33 of this Act.