Uphill roads are very convenient for photographing architecture because they allow the photographer’s eye to be level with the centre of the buildings’ facades and ensure a correct perspective.
Durham is not flat so several roads lend themselves quite well to photograph buildings without perspective distortion. In Durham, I really like Crossgate, and North Road is not so bad either. Crossgate goes downhill towards the city centre. Photographing from these roads the buildings allow just a minor perspective correction in photoshop.