Living room layout design
Set the width and length, say whether the room opens onto the dining area, and tick what has to fit. You get a scaled top-down plan with the sofa, the focal wall and the walkway drawn where they actually work — no dragging furniture around a canvas.
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A living room floor plan maker turns the room's dimensions and a list of what has to fit into a scaled top-down layout: walls, door swing, windows and furniture drawn at real size. Set the width and length, tick what goes in, and a labelled plan comes back.
A photo of a printed plan, a PDF from an estate agent or architect, a screenshot from a listing, or a phone shot of a sketch on paper. Anything that shows the room outline is enough — you do not need a clean drawing to start.
Three steps. The controls do the part people usually leave out.
Type the width and the length, and switch between feet and metres if you need to. The numbers convert when you switch, so you never end up with a 4 ft room you meant to be 4 m.
Choose open plan onto the dining area, a closed room, an L-shape or a long narrow room, then tick the sofa, TV wall, fireplace, shelving, reading corner or desk. Add the door wall and window wall in the box below if you know them.
The plan comes back in about a minute. Send it to the workspace to move a single piece, swap the focal wall, or turn the same layout into a 3D view.
Most guides answer "how big should a living room be" with a range. A range cannot be checked. Here is the arithmetic instead: add up the depths of what you are putting in, and you get the smallest room that layout actually fits into.
9 ft 10 in / 3.0 m across
18 in TV unit + 24 in to walk past + 24 in coffee table + 16 in gap + 36 in sofa = 118 in. A 55-inch screen also wants 7–11 ft to the main seat, so the room usually ends up deeper than the furniture alone demands.
10 ft 8 in / 3.25 m across
36 in sofa + 16 in gap + 24 in coffee table + 16 in gap + 36 in sofa = 128 in. Seat to seat is then 4 ft 8 in, comfortably inside the 8 ft beyond which a group stops reading as one conversation.
12 ft / 3.7 m on the long wall
A sectional takes 36 in off two walls that meet. On a 12 ft wall that leaves a 9 ft main leg and a 3 ft return, with the coffee table inside the L and the walkway on the two open sides.
22 ft / 6.7 m along the long axis
The seating group needs about 10 ft, and a dining table for six needs 12 ft: a 72 in table with 36 in behind each end chair to pull out. Below 22 ft the two zones start borrowing each other's floor.
11 ft / 3.35 m wide
About 8 ft of seating depth plus a 3 ft walkway down one side. Narrower than that and the only path through the room cuts between the sofa and the coffee table, which is the single most common way a long living room fails.
Depths are the North American residential norms the plan is drawn to: sofa 36 in / 900 mm, armchair 32 in / 800 mm, coffee table 48 x 24 in / 1.2 m x 600 mm, TV unit 18 in / 450 mm. Metric equivalents are rounded.
Narrower than the figure beside a layout and the room counts as small: the walkway has to be borrowed from somewhere, and the arithmetic changes. Eight furniture layouts for a small living room, with every walkway width marked
A living room layout is judged on distances, not on floor area. These are the four the plan is checked against before it comes back — the same numbers you can measure against a drawing you already have.
8 ft / 2.4 m maximum
Past this, people raise their voices and the group splits into two. It is the reason a very large living room often needs two seating groups rather than one bigger one.
14–18 in / 35–45 cm
Close enough to reach a cup without standing, far enough to get your legs past. Under 14 in you cannot walk between them; over 18 in you cannot reach.
1.5–2.5 × the screen diagonal
A 55-inch TV wants 7–11 ft / 2.1–3.4 m. This is the number that decides how deep the room has to be, more often than the furniture does.
30–36 in / 76–90 cm
A clear route from the door to every other opening, routed around the seating group. A fireplace wants at least 36 in / 90 cm of clear hearth in front of it.
Six things worth adding, in the order they change the result most.
The door decides the walking path, and the walking path decides where the sofa cannot go. Without it the plan has to guess, and it usually guesses the wall you wanted the sofa on.
Tall furniture in front of a window is the fastest way to make a plan unusable. Naming the window wall keeps the bookcase and the TV off it.
A living room is organised around one thing the seating faces. If you want a TV and a fireplace, say so — they get put on the same wall or on two walls that meet, so one sofa faces both.
"Seat six" is checkable; "a big sofa" is not. A seat count also lets the layout decide between one long sofa and a sofa plus two chairs.
Open plan onto a dining area and open plan onto a kitchen produce different layouts, because the dining table has to sit somewhere and the kitchen does not.
Once a plan comes back, send it to the workspace and adjust it there. Moving one piece at a time keeps the rest of the layout stable instead of redrawing the room from scratch.
The plan is a drawing you can share, print or keep working on.
The plan as a high-resolution image, ready to drop into a message, a document or a shared board.
Room name, furniture labels and dimension lines are drawn on the plan, so the sizes travel with the drawing.
Switch the view and the same layout comes back as a 3D room, which is the quickest way to see whether the sofa really faces what you think it faces.
Most living room layout tools are canvases: you place each piece yourself. This is the other way round — you say what has to fit and the layout comes back placed.
| This tool | Drag-and-drop planners | |
|---|---|---|
| First layout | About a minute, from four controls | As long as it takes you to place every piece |
| Who decides the spacing | Checked against conversation distance, coffee table gap, viewing distance and walkway | You do, and nothing warns you when a walkway is 20 in wide |
| Starting from a plan you have | Upload it; the walls, door and windows stay put | Usually redrawn by hand first |
| Moving one exact piece | In the workspace, by saying what to move | Better — this is what a canvas is for |
| Trying five arrangements | Change a control and generate again | Five times the placing work |
Check that the sectional you are looking at still leaves a walkway, before it is in the room and not going back.
Work out where the furniture goes from the listing plan, while the rooms are still empty.
See how one space works before taking a wall out, including where the dining table ends up.
Put three arrangements of the same room side by side in the time it takes to draw one.
What people ask before they use it
Set the size, tick what has to fit, and see a scaled plan in about a minute. No sign-up needed to try it.
