You've got the dolerite crags on Hadrian's Wall (Peel and Crag Lough) and also sandstone bouldering/soloing at Queen's Crag. They all face north but should be still OK.
2 minutes on the 'find crags' map search function on this site should show you where pretty much every obscure crag in your area is. It definitely does in my part of the world (not Hexham, so can't help you, sorry!).
Press Release Alpkit and Outside Bank Holiday Hathersage Tent Show 4-5th May
Fri Night Vid Finding Focus - Life Behind The Lens of a Climbing Photographer
This week's Friday Night Video is a portrait of a prolific climbing photographer from Wedge Climbing. Sam Pratt is well known in both the outdoor and competition scene but if you haven't heard of him, you've likely seen...
Podcast Mountain Air - 13. Jamie Aarons, Fastest Munroist in History