Hi,
I successfully completed mine in 2009.
As Alex quote;
FCL.025 (c) states the following:
Validity period(1) The successful completion of the theoretical knowledge examinations will be valid:
(i) for the issue of a light aircraft pilot licence or a private pilot licence, for a period of 24 months;
(ii) for the issue of a
commercial pilot licence, instrument rating (IR) or en route instrument rating (EIR), for a period of
36 months;
(iii) the periods in (i) and (ii) shall be counted from the day when the pilot successfully completes the theoretical knowledge examination, in accordance with (b)(2).
(2) The completion of the
airline transport pilot licence (ATPL) theoretical knowledge examinations will remain valid for the issue of an ATPL for a period of 7 years from the last validity date of:
(i) an IR entered in the licence; or
(ii) in the case of helicopters, a helicopter’s type rating entered in that licence.