Highgate is a suburban area of London at the northeastern corner of Hampstead Heath, 4+1⁄2 miles north-northwest of Charing Cross. Highgate is one of the most expensive London suburbs in which to live. It has three active conservation organisations: the Highgate Society, the Highgate Neighbourhood Forum and the Highgate Conservation Are…Highgate is a suburban area of London at the northeastern corner of Hampstead Heath, 4+1⁄2 miles north-northwest of Charing Cross. Highgate is one of the most expensive London suburbs in which to live. It has three active conservation organisations: the Highgate Society, the Highgate Neighbourhood Forum and the Highgate Conservation Area Advisory Committee, to protect and enhance its character and amenities.