Faye ... it's £1,377 (currently). Although, this is likely to increase in April - as it has done, consistently, in past years. See also, my reply to this [same] question of yours on the thread entitled:
'Indefinite Leave to Remain Approved (PEO Cardiff)' - #22 refers.
Whichever method you ultimately decide upon, I wish you all the very best with your eventual application.