It does look like 5.2 ;) Maybe 5.3 at a push :)
The IBU's should be in the 37-44 range, The Northdown Hops were 7.6%AA in a 12 Litre Brew length, and being 'First Wort Hops' they might even give a little more due to the extra time they are in the wort before coming to the boil.
This is...