This is their website:

http://www.grovefolkclub.org.uk/

All the info I think you'll need. Seems across the Lancs/Yorks region there's a good network of Folk clubs, venues and sessions. The beers are equally enjoyable I'm reliably informed. Hope to explore the area more now I've a family link 'up there'. My Leeds link says the Leeds/Manchester trains run quite late too .....

Have you been to the Band on the Wall in Manchester yet,

http://bandonthewall.org/

Seems they are regularly featuring Folk acts.

Hmmmm is it time to move back up North .......... but wait, Theatre Severn in Shrewsbury have announced twice monthly Folk concerts from January so we're not quite so bereft now.