The CAA published a
helpful document last year.
Section 3 deals with transitional arrangements. Basically, the conversion of licences for anything other than SEPs & helicopters will be subject to a conversion report compiled by the national authority. This report is supposed to outline the rules, privileges & limitations of the national licence.
As the NPPL SLMG syllabus is comparable with the proposed LAPL syllabus, I would be confident that an NPPL SLMG licence will morph into an LAPL TMG licence.
FCL.110.A will apply to someone applying for their first licence. FCL.110 is more relevant to someone with an existing licence:
FCL.110 LAPL — Crediting for the same aircraft category
(a) Applicants for a LAPL who have held another licence in the same category of aircraft shall be fully credited towards the requirements of the LAPL in that category of aircraft.
Draft regulation on Part FCL.