Waltham Abbey, on the Lea, in Essex, was founded by King Harold, and is regarded as one of the earliest specimens of Norman architecture in England. Harold himself was for centuries supposed to have been buried here after the fatal fight of Senlac in 1066; and in the original choir, forty yards away from the present church, which consists of the old nave, was once a tomb bearing the legend, "Hic jacet Harold Infelix." But as to the real facts of the case antiquaries differ, and who then shall decide? The work of restoration was begun in 1864. Adjoining the sooth aisle is a Lady Chapel of the Decorated period; the Tower, a much later addition, is debased Perpendicular.
source: The Queen's London : a Pictorial and Descriptive Record of the Streets, Buildings, Parks and Scenery of the Great Metropolis, 1896