Trafalgar Square draw up plans for clearing a large area south of Kent's stable block, and as far east as St Martin's Lane. His plans left open the whole area of what became Trafalgar Square, except for a block in the centre, which he reserved for a new building for the Royal Academy. The plans included the demolition and redevelopment of buildings between St Martin's Lane and the Strand and the construction of a road (now called Duncannon Street) across the churchyard of St Martin-in-the-Fields. The Charing Cross Act was passed in 1826 and clearance started soon after. Nash died soon after
Save the Trafalgar Square Pigeons until October 2008. In 2003 Ken Livingstone and the GLA rescinded their agreement with STTSP and made it illegal for anyone to feed the birds in Trafalgar Square; the penalty for doing so was set at £50. To get around this ban STTSP members moved to an area of the Square not under GLA jurisdiction, but that of the Westminster City Council, thus not covered by the relevant bye-laws and continued to feed the birds. On 10 September 2007 bye-laws were secured that ensured bird feeding was banned throughout the entire square and surrounding areas, with a higher fine of