The antonyms for "more down-at-heel" would be "well-maintained", "tidy", "smart", "clean", and "polished". These words describe things that are in good condition, neat and in order. They are the complete opposites of "down-at-heel", which means shabby, worn-out, untidy and in poor condition. You can use these antonyms to describe places or things that are well taken care of, such as a well-maintained garden or a clean and polished car. By using these words, you can create a positive, uplifting and polished image that conveys the sense of professionalism and care.