| Primary value | 1.0 m |
| Applies to | Apartment main doors · Single-family house front doors |
| Exceptions | Min door height → 2.0 m |
| Measured as | Clear opening width — distance between door frame jambs when the door is open at 90°. |
| Source | NBC 2016 — Part 4, Clause 4.2 ✓ Verified |
1.0 m is wide enough to move basic furniture (sofas, beds, refrigerators) in and out of a home. Below this, large appliances become impossible to deliver without disassembly.
Most apartments provide exactly 1.0 m main doors. Premium villas often go to 1.05–1.20 m for a sense of grandness.