Don't forget the Handley Page Victor:
https://en.wikipedia.org/wiki/Handley_Page_Victor
Besides, if I were going to pick a British warplane originating from that era as the ugliest, I’d have to go with the Nimrod.
The Victor was also a sleek futuristic design and the every bit as impressive as the Vulcan.
Never a fan of the Gloster Javalin; something was always off in the proportions as well as just looking chunky.