Gareth wrote: In the Worked Example on page 76 of the guidance notes I cannot understand how someone can walk up to 100m and get the enhanced rate of mobility given that the Descriptor states "Can stand and then move more then 1 metre but no more than 20 metres, either aided or unaided. 
You are not the only one, but let's not knock it if this advice is to be more generous with the awards, although I suspect that the guide is by the same person who wrote the impact assessment.
Gordon