# Land Development Values (Compensation) Act (Northern Ireland) 1965, Paragraph 3


(1) Subject to sub-paragraph (2), the enlargement, improvement or other alteration, as often as occasion may require, of any such building as is mentioned in paragraph 1(1)( a), ( b) or ( c), or any building substituted for such a building by the carrying out of any such operations as are mentioned in that paragraph so long as the cubic content of the original building is not exceeded or increased by more than the amount specified in paragraph 1(1)(i) or (ii), as the case may require.
(2) Sub-paragraph (1) shall not extend to works involving an increase in the cubic content of a building erected after the passing of this Act (including a building resulting from the carrying out of such works as are described in paragraph 1).

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Source: https://www.legislation.gov.uk/apni/1965/23/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/land-development-values-compensation-act-northern-ireland-1965/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.