Why sections help
A conventional sofa arrives as one long, rigid object. Its length, depth and height all have to clear every doorway, corner and stair on the way in. If any one of them does not, the sofa stays on the truck.
A modular sofa changes the problem. Each section is a fraction of the total length, so the size you have to get through the route is the size of one piece, not the whole arrangement. That is often the single biggest practical reason people choose modular seating for apartments with narrow halls, tight stairs or a lift that is smaller than usual.
Separate sections do not remove the problem entirely. A deep corner piece or a chaise can still be awkward, and some modules are heavy because of their frames. The route still needs checking.
Measure the route, not just the door
Many failed deliveries come from a door that is wide enough, followed by a hallway that is not. Walk the whole route from the street or the vehicle to the spot where the sofa will sit, and note every narrow point.
Outside and entrance. Check any gate, path, steps or ramp, and the front door. Measure the clear opening, meaning the width between the door frame edges with the door open as far as it will go. Hinges and door thickness can take away a surprising amount of width, and removing the door from its hinges may gain some of it back, if the door is yours to remove.
Hallways. Measure the width at the narrowest point, which is often where radiators, shelves, light fittings or banister posts protrude.
Stairs. Measure the width between the walls or between wall and handrail, the headroom under any ceiling or landing above, and the length of any landing where a turn is needed.
Lifts. Measure the door opening and the inside depth, width and height. Check any rules your building has about moving furniture and booking times.
Turns. Corners and landings are the hardest part. A piece that fits through two straight openings may not make a tight turn, because it has to pivot, and the pivot needs space along the diagonal.
Write all these numbers down. A simple sketch of the route with the narrowest point labeled works well.
What to compare against
Product pages usually list the dimensions of each module: width, depth and height. A few cautions:
- Check the size of the packed piece too, since packaging adds to it, and some makers list this separately.
- Look at the largest single piece in your planned layout, not the average one.
- Note whether the legs, arms or backs can be detached. Removing feet or a back can reduce the awkward dimension.
- Check whether the cushions arrive separately, which makes the frame lighter and slimmer to carry.
If the module is only a little smaller than your tightest opening, treat it as a risk, not a fit. Pieces get tilted, handled by two people and bumped on walls. Leaving some margin in each opening is usually safer.
Tilting, pivoting and carrying
Movers often tilt a sofa on end or on its side to pass it through a narrow opening. That works only if the piece is rigid enough and the diagonal measurement allows it. A rough way to think about it: a piece can be turned on its side to pass a doorway if its shortest dimension, sometimes with a little extra, is smaller than the opening, and it can be rotated in the space available. Sofas with deep seats and high backs are harder to turn.
If your building has a stairwell with a tight turn, ask the seller whether their delivery team will carry pieces upstairs, or whether delivery stops at the ground floor. Policies vary, as does what the delivery team will do if a piece will not fit. Ask about lead times, and check each piece for damage when it arrives.
Questions to ask before ordering
- What are the exact dimensions of each module, packed and unpacked?
- Does delivery include carrying the pieces inside, or only to the curb or door?
- What happens if a piece cannot get through? Is there a fee, a return, or a way to swap to smaller modules?
- Can the legs or backs be removed?
Keep any answers in writing where possible, since delivery terms can differ from what a product page suggests.
Plan the room as well
Fitting through the door is only half the job. Once the pieces are inside, they need space to be joined and positioned. Make sure there is room to assemble the layout before sliding it into its final spot, and that your floor plan leaves enough clear space around the seating for people to walk. A cardboard mockup of the largest module can help you test the route and the room together, and it costs very little.
If the route is very tight
If a measured route is borderline, there are a few options. Choose a system with smaller or lighter modules, or one with detachable backs. Ask whether the sections can be delivered without packaging. If the route is limited by a window rather than a door, a hoist or crane delivery is sometimes used for large items, but it adds cost and depends on the building, so it is worth confirming with the seller and the building manager beforehand.
A few minutes with a tape measure before ordering is usually all it takes to know whether a modular sofa will arrive in one trip, or not at all.