The mandapa (pillared hall) of the Hazareshwar Temple is a small square open hall that stands on a low base, supported by four pillars positioned at its corners. These pillars feature square bases adorned with depictions of deities. The shaft of the pillars is intricately carved with male deities, musicians, dancers, and surasundaris (celestial damsels). Transitioning into an octagonal shape, then into sixteen facets and circular, the shaft culminates with an abacus supporting bharavahaka (load bearers) brackets, which in turn uphold the lintel. The mandapa's ceiling, square in shape, is exquisitely carved. There is an idol of Nandi housed at the centre of the mandapa.
The exterior of the Hazareshwar Temple is embellished with depictions of deities. The vedibandha (basal mouldings) has various ornamental elements including khura (hoof), kapotapalika (cyma recta), garggarika, karnika, grassapatta (a band of kirtimukhas or face of glory), plain patta, kumbha (pot), kalasha (pitcher), gaggarika (decorative motif comprising arrow between two spirals), and kapotapalika. On the jangha are bhadras (central offsets) on all three sides, with the space between them adorned with stambhas (buttresses) featuring motifs of peepal leaves and grassapatta. Rising above the jangha is the majestic shikhara (superstructure).