With its narrow, ramshackle façade, remarkable mainly for its rundown appearance in the increasingly well-heeled neighbourhood of Newington Green, you would never guess that some of the top tracks of the 20th century were recorded at 2a Grosvenor Avenue.
But originally built as a recording studio in 1970, the building was where everyone from Squeeze and Elvis Costello to The Damned and Sham 69 went to record.
