adjective
BAD : I would be grateful if you would send it to the address above-
◆◆◆
mentioned.
GOOD : I would be grateful if you would send it to the above-mentioned address.
Above-mentioned comes before the noun: 'the above-mentioned person', 'the above-mentioned company'.
Note that above may be used before or after the noun: 'the above address', 'the address above'.