swˈɪftʒɚ wʌz ʌpdˈeɪɾᵻd fɔːɹ kˌɑːmənˈælᵻɾi wɪð wɪð θɹˈiː ɡlˈæshaʊs dᵻɹˈɛktɚz wɪð tˈaɪp tˈuːhˈʌndɹɪd sˈɛvənti fˈaɪv ɹˈeɪdɑːɹ fɚðə fˈoːɹˈɪntʃ ɡˈʌnz, tˈaɪp nˈaɪnhˈʌndɹɪd sˈɪksti ˈɛm lˈɔŋ ɹˈeɪndʒ ˈɛɹ wˈɔːɹnɪŋ ænd ɐ mˈoːɹ pˈaʊɚfəl fˈoːɹɾi ˌɛmˈɛm lˈaɪt ˈæntaɪˈɛɹkɹæft ˈɑːɹməmənt ˈɔn "bˈɑːfɪn" ænd "bˈʌstɚ" mˈaʊntɪŋz.
Swiftsure was updated for commonality with  with three 'Glasshouse' Directors with Type 275 radar for the 4-inch guns, Type 960M Long Range Air Warning and a more powerful 40 mm light anti-aircraft armament on "Boffin" and "Buster" mountings.