The temple has a five-tiered rajagopuram, the gateway tower facing east and an inner three tier gopuram. The temple is surrounded by a moat like tank and the major portion of the tank is called Agni theertham located in front of the gateway tower. The sanctum is approached through the gateway tower, flagpost, a mahamandapam and an arthamandapam. The Mahamandapam houses the images of Agni, Brahma and saint Appar. The bronze idol of Agni is one of its kind, not present anywhere in the state. The image has two heads and sported with three legs. The sanctum houses the image of Agnipureeswarar in the form of Lingam, a phallic symbol of Shiva. The Linga is tilted indicating a legend that Shiva offered to bend for his devotees.