mortar cracks

Hi I have been in this house since new and built 25 years a go and the end gable wall in the loft that is a breeze block type has some large cracks and loads of mortar missing in several areas. In between some bricks there's hardly any mortar at all. It's been like this for at least the last...

Hi all, Before contacting a structutral engineer, I thought it best to ask for advice from this forum. I've noticed this external crack on our external garage (it might have been there for ages, though!). Googling it points towards possible subsidence with it being stepped, though I'd...