should easily be 'do-able' in the UK over the period of a month
I would have thought this was a tad optimistic unless the person was able to assimilate a great deal of knowledge quickly. I know I wasn't but then I'm old!!!
One other thing to bear in mind is the possibility of the LAPL taking over the NPPL in early 2012, which may require a more stringent medical.
As a matter of interest, are flying schools pointing this possibility out?