Englishgimcrack
adjective
they lived in gimcrack villas you'd be afraid to sneeze in:
shoddy, jerry-built, badly built, flimsy, insubstantial, rickety, ramshackle, thrown together, makeshift, inferior, poor-quality, second-rate, third-rate, low-grade, cheap, cheapjack, tawdry, kitschy, trashy, crude, tinny;
informal tacky, tatty, junky;
British, informal ropy, duff, rubbish, rubbishy, grotty.
▷antonyms sound, solid.
gimcrack Oxford Dictionary of English