ðiːz ɑːɹ dᵻfˈaɪnd ˌʌndɚ ðɪ ˈɔːɹdɪnəns æz ˌɛni fˈiːtʃɚ, stɹˈʌktʃɚ, bˈɪldɪŋ ænd ˈɑːɹɾɪfˌækt wˌɪtʃ ɑːɹ kənsˈɪdɚd ɪmpˈoːɹtənt bɪkˈʌz ʌv ɪts hɪstˈɔːɹɪkəl, ˌɑːɹkiːəlˈɑːdʒɪkəl ɔːɹ pˌæliːˌɑːntəlˈɑːdʒɪkəl sɪɡnˈɪfɪkəns.
These are defined under the Ordinance as any feature, structure, building and artefact which are considered important because of its historical, archaeological or palaeontological significance.