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
Fourth plinth, Trafalgar Square public as to the future of the plinth. Mortimer's final report recommended that the commissions remain a rolling programme of temporary artworks rather than settle permanently on one figure or idea to commemorate. In 2003, the ownership of Trafalgar Square was transferred from Westminster City Council to the Mayor of London and this marked the beginning of the Mayor of London's Fourth Plinth Commission as it is now known. There is a plinth at each of the four corners of the square. The two southern plinths carry sculptures of Henry Havelock and Charles James Napier. The northern plinths are larger