Dhaka Senior Special Judge KM Imrul Kayes passed the order when his lawyer Ehsanul Haq filed a petition before his court seeking bail.
Ehsanul said the court granted bail to his client considering his age and physical ailment.
On Sunday, the Anti-Corruption Commission arrested Tasvir, one of the owners of the building, from Segunbagicha area in the case.
The ACC had filed two cases against 23 people for their alleged involvement in illegally extending Banani’s FR Tower beyond the permitted number of floors.
The building caught fire on March 27 last that left 25 people dead and 73 others injured.
During investigation, the ACC found that the 23-storey FR Tower had no fire alarm while it has narrow exit points and staircases and the fire exits are blocked.
The authorities had legally obtained permission for a 15-storey building but they made the FR Tower a 23-storey one over time.
The ACC sued 20 and five people respectively in the two cases filed over illegal extension of FR Tower from 16th to 18th and 19th to 23rd floors.
The accused also include SMHI Faruque, owner of the land on which FR Tower is built; Liakat Ali Khan Mukul, chairman of Rupayan Housing Estate Ltd, the housing company that extended the building illegally; Muhammd Shawkat Ali, member of Bangladesh Council of Scientific and Industrial Research (BCSIR); Syed Nazmul Huda, sub-divisional engineer of Public Works Department (PWD); and Shamsur Rahman, executive engineer of PWD.