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It is a Meadow Pipit shown by the dull brown streaky plumage (without grey/blue tones as in Dunnock) and a longish tail. The very long hindclaw can be seen just about in pic 3 where the bird is looking away from the camera.
As long as you have Anthus pratensis, you have the right bird!
My Flickr photos...
for continuity Meadow is the truest prefix,
a welcome first in my garden in any case.
Lat/Lng: 50.2, -5.4
OS grid ref: SW6439