In 1970 this reputation gained official recognition when both Highpoint blocks were classified Grade I within the historic buildings listing programme.
ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti ðɪs ɹˌɛpjuːtˈeɪʃən ɡˈeɪnd əfˈɪʃəl ɹˌɛkəɡnˈɪʃən wɛn bˈoʊθ hˈaɪpɔɪnt blˈɑːks wɜː klˈæsᵻfˌaɪd ɡɹˈeɪd aɪ wɪðˌɪn ðə hɪstˈɔːɹɪk bˈɪldɪŋz lˈɪstɪŋ pɹˈoʊɡɹæm.