When a living room feels cramped, the usual advice is to buy smaller furniture. Sometimes that is right. But most of the time the room is not too small, the pieces are just parked in the wrong places. Moving things costs nothing, works in a rental, and shows you what you actually need before you spend a cent.
Your eye reads a room mostly through the floor. If you can see a long, unbroken stretch of it from the doorway, the room feels larger than its measurements. Every piece that sits in the middle of that stretch cuts it in two. That is why a sofa pushed into a corner often feels roomier than a smaller sofa left floating in the middle.
Two other things matter just as much: the paths you walk every day, and the gaps between pieces you use together. A common rule of thumb is to keep main walkways around 75 to 90 cm wide, and to leave about 40 to 45 cm between a sofa and the coffee table in front of it, close enough to reach a mug, far enough to get your legs past.
Type in your own room, then drag the pieces around. The door's swing area is marked, and that space should stay clear. The numbers underneath update as you move things.
Put the biggest piece against the longest wall. This keeps the middle of the room open and gives the sofa something to lean on. Try the "Everything on the walls" button and watch the free-floor number.
Keep the door area clear. If you have to squeeze past something the moment you walk in, the whole room feels smaller than it is. The same goes for the path from the door to the window.
Float only when there is room. Pulling a sofa off the wall can zone a bigger room, for example to mark a reading corner. In a narrow room it usually eats the walkway. Check the free-floor figure before you commit.
Let light and legs help. Furniture on visible legs lets the eye see floor underneath, which keeps a room feeling lighter. Hanging curtains higher than the window frame and wider than the glass makes walls feel taller, and a mirror opposite a window bounces daylight deeper into the room.
Use a tape measure for the room's width and depth, the width of the doorway, and any radiator or socket you must not block. Sketch the plan on paper or mark the footprint on the floor with painter's tape; tape on the floor tells you more than any picture. If a plan only works when you buy something new, measure the piece in the shop listing against your tape first.
It is also worth trying a few unglamorous options before any purchase: moving the sofa to the other wall, swapping the coffee table for a stool or a nesting table you can tuck away, borrowing a friend's side table for a week, or checking second-hand listings for a slimmer version of what you already own. A cosy room is not a bigger shopping list; it is one where you can move, sit and reach everything comfortably.
The numbers are starting points. If you live alone and never carry trays through the room, a 60 cm path may be fine. If you use a wheelchair, a pushchair or a walker, you will want wider. Anchor tall bookcases and other tall furniture to the wall, especially if children or pets share the room. The best layout is the one that feels easy on an ordinary Tuesday night.