Ambassador, British Airways; FlyerTalk Posting Legend
Join Date: Apr 2012
Location: Leeds, UK
Programs: BA GGL/CCR, GfL, HH Diamond
Posts: 42,990
well the lowest cost option if you want a voluntary refund is to book the 50p rate, although i agree it is not a great use of avios.
personally i would just book the normal band rates and rely on using a FTV for any voluntary cancellation.