Furniture spacing and clearance best practices
How much space should you leave around everything? Here are the rules of thumb — and how Smart Flow Check checks them for you.
Good spacing is what makes a room work: enough to walk through, reach a table, open a door. RoomSketch3D checks the important clearances for you as you place furniture, so you don't have to remember the numbers — but it helps to know what they are and why.
This page lists the clearances worth planning around, then shows how Smart Flow Check reports each one on a sofa, a coffee table and a door.
Step by step
- 1
The numbers to plan around
Walkways: 36 in for a main route through a room, 24 in for a secondary squeeze between pieces. Coffee table to seating: 18–24 in — close enough to reach, far enough to pass. In front of a door or opening: keep 36 in clear so you can step through. Dining chairs: 36 in behind a chair to pull it out and pass, 24 in to pull out only. Bedside: 24 in beside the bed, 36 in at the foot. Tall furniture and windows: keep anything 48 in or taller at least 18 in off a window.
- 2
Overlap — red
Drop a coffee table onto a sofa and the pill turns red: Coffee Table & 3-Seater Sofa overlap. Red is an error — two things can't occupy the same floor. Fix red before anything else.
- 3
Too close — amber
Nudge the table away and red becomes amber: too close to 3-Seater Sofa — aim for 18–24 in. Amber is a comfort rule, not a collision; the room works, but you'd bark your shins.
- 4
Clear — green
Keep nudging and the pill goes green at 18 in. Anything between 18 and 24 in is the sweet spot; beyond that the table starts to feel far away, though Flow Check doesn't flag it.
- 5
Doors: the swing and the approach zone
Slide the table toward a door and Flow Check turns red: blocks door — the table is inside the swing arc, so the door can't open. Short of the arc it still wants 36 in clear in front of every door, opening, sliding door and fireplace (crowds the door, amber) so you can step through comfortably. Move the piece back until the pill is green and every clearance is met.
- 6
All clear
Green means every rule is satisfied: nothing overlaps, the coffee table sits 18–24 in from the seating, and every door has its approach and swing free.
Tips
Nudge with the arrow keys
With a piece selected, each arrow press moves it one inch. Watch the pill and stop the moment it turns green — that's the exact clearance.
Rugs don't count
Rugs sit under furniture by design and are exempt from overlap checks, so put the rug down first and place the seating on it.
Common mistakes
Filling the walls first
Placing every piece against a wall leaves a walkway through the middle and no conversation group. Float the sofa and let the walkway run behind it.
Treating amber as red
Amber is advice. If the room is small and a 16 in coffee-table gap is what fits, that's your call; red means it genuinely won't work.
Frequently asked questions
How much space between a coffee table and a sofa?
18–24 in. Under 18 in Flow Check shows an amber too-close warning.
How wide should a walkway be?
36 in for a main route, 24 in for a squeeze between two pieces. Flow Check enforces 36 in in front of doors and openings.
What's the difference between red and amber?
Red is an error — pieces overlap, a door can't open. Amber is a comfort warning — too close, crowds an approach, blocks a window's light.
How much room in front of a door?
36 in clear across the door's width. Inside the swing arc itself is an error.
Does Flow Check measure walkways between two sofas?
Not as a general rule — it checks specific clearances (door approaches, coffee tables, windows, recliners) and all overlaps. Use the tape measure for a walkway between pieces.
How far should a dining chair be from the wall?
36 in behind the chair to pull it out and let someone pass; 24 in if nobody needs to walk behind.
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