Research

    London conservation areas and listed buildings, 2026

    Across the 33 London local planning authorities, there are approximately 41,550 listed building entries on the National Heritage List for England and 1064 designated conservation areas. The table below summarises the figure for each borough, together with Article 4 direction status as of 2026. Data is drawn from Historic England, the Greater London Authority and borough planning portals. Free to reuse with attribution to Vestige.

    BoroughConservation areasListed entries (approx.)Article 4
    Richmond upon Thames731,100Yes
    Lambeth641,500Yes
    Tower Hamlets582,100Yes
    Westminster5611,400Yes
    Hammersmith & Fulham47600Yes
    Bromley47600Yes
    Southwark442,400Yes
    Wandsworth44600Yes
    Camden405,600Yes
    Islington402,400Yes
    Kensington & Chelsea384,000Yes
    Hounslow33600Yes
    Hillingdon33400Yes
    Ealing30500Yes
    Hackney291,500Yes
    Haringey29400Yes
    Harrow28250Yes
    City of London27600Yes
    Kingston upon Thames27400Yes
    Lewisham26400Yes
    Merton26250Yes
    Croydon25400Yes
    Newham24200Yes
    Greenwich23800Yes
    Bexley22250Yes
    Brent22200Yes
    Enfield22450Yes
    Waltham Forest18200Yes
    Barnet17600Yes
    Sutton16250Yes
    Redbridge13150Yes
    Barking & Dagenham12100No
    Havering11350No
    Greater London total106441,55031/33

    Method

    Conservation area counts taken from each borough's published register. Listed building counts rounded from NHLE advanced search by local planning authority. Article 4 status reflects directions in force as of May 2026; scope varies materially and is summarised on each borough page.

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