You could go for the NPPL to start & upgrade later.
PPL------------------------------- NPPL
40hrs----------------------------- 35hrs
QXC is 150nm---------------------- QXC is 100nm
medical £100+ ---------------------Your GP autograph £~15
other ratings may be added ----No ratings except seaplane may be added
Recognised worldwide ---------------UK airspace only, in daylight VFR.
There may be other differences that I can't remember but basically they are the bits that matter.
All this could be upgraded as required to standard PPL if you want to go further.