I've seen in Skyfall two "kinds" of warm light used in different scenes. Some of them look like just regular 3200 source, but other look gold. Do you know if it was used a filter in front of the source (gold tint with tungsten or cts with hmi or any other way) or if it's some post-production work. Judging by the natural looking practicals, I'd say he used filters but I'd like to hear other thoughts.
Those are some examples: