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
Municipal Borough of Kingston-upon-Thames in the north west from the abolition of Ham Urban District in 1933 and was affected by a minor exchange of territory with the Municipal Borough of Richmond in 1958. The district was abolished in 1965 by the London Government Act 1963 and its former area was transferred to Greater London to be combined with that of the Municipal Borough of Malden and Coombe and the Municipal Borough of Surbiton to form the London Borough of Kingston upon Thames; with the status of Royal borough transferred to the new borough. The borough's coat of arms was first registered in 1572.