Mr Benn's home street (Festive Road) was based on the actual Festing Road in Putney, London, where the programme's creator, David McKee, lived at the time. On 28 November 2009 an engraved paving slab commemorating this fact was laid outside his former house.
Another resident of the street was musician Duncan Lamont, who McKee asked to contribute the score (Lamont hit upon the main theme immediately). All the tunes for the entire series were subsequently recorded in one session.