10(1)An enlargement of the premises of the school which would increase the capacity of the school by at least 25% or 200 pupils as compared with the school’s capacity on the appropriate date.
(2)In determining an increase in capacity for the purpose of sub-paragraph (1), all enlargements that have taken place since the appropriate date are to be taken into account together with the proposed enlargement.
(3)The “appropriate date” is the latest of—
(a)the date falling five years before the date on which it is planned to implement the proposals to make the enlargement;
(b)the date when the school first admitted pupils;
(c)the date (or latest date) of implementation of proposals to make an alteration to the school consisting of an enlargement of its premises which proposals were published under—
(i)section 48, 59, 68 or 72, or
(ii)section 28 of the School Standards and Framework Act 1998 or paragraph 5 of Schedule 7 to that Act.
(4)References in this paragraph to an enlargement do not include a temporary enlargement.