Conn. Gen. Stat. § 12-65f: Appeal.

Any person aggrieved by any decision or action, or failure to take action, by a municipality under the provisions of sections 12-65c to 12-65e, inclusive, may appeal within fifteen days of the notice of such decision or action, or in the case of failure to take action, within fifteen days after the expiration of sixty-five days from the date of the submission of the request for action to the legislative body of the municipality, to the superior court for the judicial district in which the municipality lies.