Google Earth has a very interesting feature: historical satellite photography. You can pick an old date and see what things looked like back then. For Halifax, the imagery goes back to 2003.
I noticed that the differences around Gottingen from 2003-2010 were particularly pronounced so I generated a few images to show the new buildings that were constructed:
2003:
Development sites, 2003-2010:
2010:
Potential new development sites as discussed in the development section:
Looking around central areas of Halifax, there's been a pretty significant amount of residential construction over the past 8 years. I think most people underestimate how much has changed.