Yup, we’re still on Upper Street (aka. the A1) in Islington, which is a great street for phone boxes!
(Coordinates 51°32’6.0″N, 0°6’16.3″W.)
This one is a K2 model rather than a K6 – you can tell by the more bulbous top. As ever, the Wikipedia page has some good pictures illustrating the differences.
Love those autumn leaves too!