Abundant resident.

Confirmed as breeding in nine tetrads in the 1973 Breeding Atlas, all 11 of Stevenage’s tetrads in the 1992 Atlas and, in seven in the 2012 Atlas.

The 2012 Winter Atlas confirmed their presence from all 11 of the tetrads covering Stevenage.

At Watery Grove the Common Bird Census recorded Dunnocks as holding breeding territories annually from 1972 to 1984, with a maximum of four territories being held in 1972, 1973, and 1981. Between 1985 and 1999 their presence was recorded annually in the breeding season, with single territories being held in 1988, 1993 and 1998. They are normally confined to the roadway beside the wood but did invade clear felled areas of coppice in the wood.

A Dunnock ringed in Belgium on 21 September 1992 was killed by a cat at Aston on 23 March 1993.