There is no single furniture rule that works for every home. For this question, An L-shaped room often has one natural circulation leg and one quieter seating leg. Keep the sofa from turning the inside corner into a bottleneck. What matters is identifying the constraint that will still matter six months after the box and packing material are gone. This sounds like a small detail until it becomes part of daily life.

Your wall is not the whole room

An L-shaped room often has one natural circulation leg and one quieter seating leg. Keep the sofa from turning the inside corner into a bottleneck.

Depth changes everything

Live with the outline

  • Delivery route into the room — A sofa that fits the wall still has to reach that wall.
  • Finished width and depth — Tape the complete footprint, not just the seat width.
  • Main walking path — Protect the route people use repeatedly rather than an unused decorative gap.
  • Door and drawer swing — Open moving parts while the taped sofa footprint is on the floor.
  • Coffee-table or desk clearance — Test standing, chair pull-back, and normal reach instead of relying on a floor-plan screenshot.

Doors, vents, and sightlines

  • Ignoring full sofa depth.
  • Forgetting door swings and pathways.
  • Planning the room from a wide-angle listing photo.

Choose the breathing room

  • The sofa earns the floor space it uses
  • Doors, vents, and other furniture still work
  • The main walking route stays comfortable

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