Standards generally recommend 1.2m² to 1.5m² per person for tiered seating. This includes the seat, desk space, and local circulation.
: Fixed seats should have a minimum width of 510mm and a minimum tier depth (back-to-back distance) of 850mm .
Shruti watches from the doorway. “Paati, why don’t you just buy the chutney from the store?”
Most lecture theatre failures are HVAC noise, not bad seats. Give the PDF directly to your mechanical engineer. Flag the NC-25 noise criterion – many standard air handlers are noisier than this.
Lecture Theatre Design Standards: Optimizing Learning Environments (2026 Guidelines)
Likely useful sources to check: university campus planning/design manuals, government building codes, architectural association guides, and professional bodies for acoustics or AV (e.g., ASA/ANSI, RIBA, SAA).
