This little chap was on his way to the feeders.
Not a good photo, as taken through a dirty window, but the only time I've seen a Dunnock at this site.
Possibly a young bird, judging by the orange on the beak.
The dunnock (Prunella modularis) is a small passerine, or perching bird, found throughout temperate Europe and into Asia. Dunnocks have also been successfully introduced into New Zealand. It is by far the most widespread member of the accentor family, which otherwise consists of mountain species. Other common names of the dunnock include the hedge accentor, hedge sparrow, or hedge warbler. The name "dunnock" comes from the Ancient British *dunnākos, meaning "little brown one."