The “roads of Kensington” then found the city to be advancing upon them. In the early eighteenth century the area of Mayfair, south of Oxford Street and east of Hyde Park, was established in a series of streets and squares; in its immediate vicinity the Portland estate laid out the territory north of Oxford Street. Cavendish Square, Fitzroy Square and Portman Square arose. Grosvenor Square was completed in 1737 and, at a size of six acres, remains London’s largest residential square. It was followed by the building of Berkeley Square only three streets away, so that the entire area was given a uniform discipline and appearance. The idea of the square and its surrounding streets took possession of London. The Bedford estate in Bloomsbury moved beyond its origin in Covent Garden to establish Bedford Square in 1774, and twenty-five years later this was succeeded by Russell Square, Tavistock Square, Gordon Square, Woburn Square and their network of interconnecting terraced streets. In its turn the Portman estate established Dorset Square, Portman Square and Bryanston Square. Square upon square, giving London its now familiar appearance.
But the city did not stop there. The districts of Shoreditch, Whitechapel and Bethnal Green in the east continued their steady growth, while south of the river areas such as Southwark, Walworth, Kennington and St. George’s Fields grew up beside the new thoroughfares. Fields were filled with terraced streets rather than corn. The population itself expanded to meet London’s demands, so that a figure of 650,000 in 1750 had reached over a million fifty years later. It was not until 1790 that baptisms exceeded burials, but from that time forward the momentum could not be stopped. In each of the five succeeding decades, after 1800, the population would rise by 20 per cent.
But even as London grew, it maintained and deepened its coherence. There were Road Acts, Lighting Acts and Pavement Acts. The Building Act of 1774 had a greater effect upon London than any other legislative measure. It standardised and simplified houses into four categories, thereby recreating large areas in a uniform image. It may not be too fanciful to suggest that this method of identifying and controlling London in the course of its immense expansion represented a means of purging all the excess and theatricality of the city in order to make it fit for its imperial destiny.