The value of Canadian building permits fell by the most in eight months in September, driven by a decline in construction intentions for commercial buildings, though residential plans rose, data from Statistics Canada showed on Tuesday.

The 7.0 percent decline exceeded economists’ expectations for a drop of 5.6 percent and was the largest monthly decline since January. August’s figures were upwardly revised to an increase of 11.0 percent from the initially reported 10.4 percent. A 22.3 percent slump in non-residential building permits weighed on September’s figures….