Sorry bro for the bad news gf now requires jaa cpl/ir atpl ground school that is what I heard when I called them last time but in u case they might ask you to just do the jaa atpl ground school but call salami he is the right person to talk to.
If u ask other ppl they will give you different view which you don’t want to fallow and do a mistake which will cost you lots of money.
Jaa ground school usually takes 7 months to do but is you have already done the nz atpl it will take you probably 4 months and cost you 1200 pounds distant learning. full time 3000 pounds approximately.
For conversion u cpl/ir it will cost you min 15000 pounds max 20,000
But now there is a flying school in Jordan they do jaa and gf cadets are taken there for training first course starting on the 1st of October(feed back) which will come out cheaper.
Best of luck
Pm me is u have any question.