Although a very old post and may of been answered elsewhere within this forum, I thought I will update and offer my insight, as it may be of interest to someone.

As Manchester Maccabi in Prestwich is a Jewish Sports venue, I too thought the same, however the facilities and Krav Maga is open to everyone, regardless of their religion and nationality etc.

http://manchestermaccabi.org/kravmaga.aspx


There is also:

http://www.fitness365academy.co.uk/