London Borough of Richmond upon Thames and becomes non-tidal at Teddington Lock in the borough; its main axis runs south to north, rather than west to east through more than half of the borough. The borough was formed in 1965 by the merger of the Municipal Borough of Twickenham from Middlesex with the Municipal Borough of Richmond and the Municipal Borough of Barnes from Surrey; the new council's offices were centred at York House in Twickenham. The name "Richmond upon Thames" was coined at that time; it is now commonly but inaccurately used to refer to Richmond only. The borough's history is reflected in the coat
London Borough of Richmond upon Thames Municipal Borough of Richmond; the swan crest, from the arms of the Municipal Borough of Twickenham; and the griffin supporters and oars from the arms of the Municipal Borough of Barnes. Red, gold and ermine are the royal livery colours, reflecting Richmond's royal history. The swan represents the River Thames, which flows through the borough. The oars are from the Oxford University Boat Club and the Cambridge University Boat Club, reflecting the fact that the Boat Race between the two universities ends at Mortlake in the borough. Since its formation, the council has most often been led either by the