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 Havering ward of the borough is the third least ethnically diverse in Greater London, with a Simpson's diversity index of 1.10. Havering is bordered to the south by the London Borough of Bexley by the River Thames, to the west by the London Borough of Redbridge and the London Borough of Barking and Dagenham and to the north and east by Essex. There are over 7,000 businesses based in Havering. Romford is the main commercial hub of the borough with a small district of mainly office development close to the railway station. There is also some industry to the south between