How to check doors and windows after an AI floor plan conversion

Check the openings against the original plan before furnishing: a missing doorway changes how rooms connect, and a misplaced window changes where furniture can go. Possible causes include an unclear symbol, a coarse scan, a reconstruction error despite a legible source, or a viewer setting that hides geometry. Work through the five checks below and label each finding as a confirmed model error, an unknown in the source, or a display-only issue.

Step 1: establish the scale before you judge anything

Pick a clearly marked length on the source, compare it with the same length in the result, then check a second dimension somewhere else on the plan. One matching measurement does not show that the whole layout holds its proportions; two that disagree require you to check scale, source distortion, and local geometry rather than assuming a single cause. You can still record whether a door is present while keeping its dimensions unverified. If the original states no trustworthy dimension anywhere, separate relative placement from real size: a doorway can sit in the right wall at the right distance from the corner while its actual width stays unknown. A conversion cannot recover a measurement the source never established, which is why RoomSketcher’s AI Convert asks you to set a known length by hand and Planner 5D’s upload guidance asks for a dimensioned plan. Every product in this category inherits the same limit.

Step 2: follow the walls room by room

Start at the main entrance and walk one consistent route through the whole plan, source and result side by side, with a top-down view available in both. For each room, compare four things.

• The number of doors and the number of windows.
• The wall each opening sits in.
• Its position relative to the nearest corner.
• The space on the other side of it.

Counting is useful and is not sufficient. A model with the right number of doors can still connect the wrong rooms, which is the error that quietly ruins a furniture plan later. Give extra attention to short corridors, closets, bathroom entrances and openings close to a wall junction, because those are where a symbol has the least room to be legible. For windows, run a second pass around the outside perimeter. Going around the envelope catches the window that the room-by-room walk skipped.

Step 3: separate an opening from its symbol

Inspect an uncertain doorway from both sides. Two separate questions are hiding in one glance: does the wall carry the opening the source shows, and does a door object sit inside that opening? Check that the wall behind a door is actually open, because a door object can sit in a solid wall. Check the source behind a bare gap too, because the source may have drawn a door where the model shows a cased opening. Before you record anything as an error, check the viewer settings, because a cutaway view hides walls by design, some camera positions clip geometry that is genuinely there, and a tall piece of furniture placed in front of an opening hides it completely. Those are display choices, and the list you are building should say so.

Step 4: check the details that change your layout

Where the source makes them clear, compare door width and swing direction, and treat sliding doors and open passages as their own case rather than as hinged doors drawn loosely. An inward swing decides whether a desk, a chest of drawers or a full-height cabinet can stand beside the door at all. For windows, separate what the plan states from what it leaves silent: a floor plan routinely establishes a window’s position and width while saying nothing about its sill height, and a sill height is what decides whether a sofa back or a worktop can pass under it. Record an unstated sill height as unknown rather than reading the height the model happens to show. The same applies to any opening that was ambiguous in a low-resolution scan. A confident-looking 3D result does not resolve an unclear source symbol.

Record the opening that decides your furniture layout

For a desk beside a bedroom door, note the host wall, opening position, clear width and swing where verified. For storage below a window, note the window position and width, then obtain the sill height from the site or a reliable elevation. Keep an unknown sill height open even if the generated window looks plausible. Add nearby radiators, switches or built-ins to the site checklist when the floor plan omits them.

Compare both furniture options against that same opening record. Correcting a misplaced source-derived door and proposing a new door position are different changes: retain a checked baseline for the first, and name the proposal separately for the second. Follow the wall and opening editing sequence for the saved-result checks.

Step 5: recheck the version you will actually use

After any correction, repeat the short room-by-room pass, and repeat it again on an exported file if a download is your next working copy. A correct editor view does not by itself show that the file you downloaded carries the same geometry, and the check costs a few minutes against a handoff you might otherwise send twice. Keep the running list in three columns: confirmed errors, uncertain details in the source, and display-only issues. That separation is the useful part, because it tells you which items need a better drawing and which need a phone call to whoever owns the building.

How do you fix a missing door or window?

Be clear about what you are changing. The manual editor supports native wall and opening edits on the same model used by chat. Keep a baseline Design Option, compare every correction with the separate source drawing, and inspect the wall and its adjoining rooms in Plan and 3D. Editing a conceptual model does not establish whether a physical wall can be moved safely. What an AI editor can and cannot change sets out where that line falls.

Use manual controls to correct an opening when the source establishes its position and size; check both Plan and 3D after the edit. If you identify a defect in the source, the changes below may help a new import. If the source is already legible, record the discrepancy and do not assume another import will repair it. Keep that area out of fit or clearance decisions until you have a trustworthy reference.

• The right page and crop selected in the preparation workspace, with site plans and unrelated details excluded.
• A higher resolution scan of the same sheet. Openings are small marks, and they are the first detail a coarse scan loses.
• A file focused on the relevant plan, without unrelated diagrams but with the room boundaries, dimensions, and necessary notes intact.
• Reference measurements in the context form: a name and a known length in meters, up to 30 of them. These provide scale evidence, not a guarantee; check the reported status and a second independent dimension afterward.
• Other verifiable drawing context: original units, scale denominator as 1:n, ceiling height, and room areas. Original page numbers describe the source set; they do not select the page for a single-floor upload.

A substantially revised replacement drawing can count as another floor build, so identify what new evidence it supplies before starting. A failed build goes back to your monthly builds; a supported corrective rebuild follows its own availability and limits. Retry this job only rereads status. None of these actions guarantees a repair, even with a clearer file. The pricing page lists what each plan includes. Furniture and finishes are the part you can iterate freely: keep those in a saved design option with a baseline option kept for comparison against the original drawing.

Once the openings hold up, the next pass is the one that decides whether a layout works: five details to check before you plan furniture. For the wider job of taking an existing home from a drawing to a decision, read planning a renovation from an old drawing, and the floor plan to 3D page describes what the conversion itself does.

Use the current room and wall measurement flow to record a trustworthy known length. Where available, Rebuild from this measurement creates a fresh option; existing drawn options retain their old scale. Check a second independent dimension in the new option. Keep the original drawing visible as a separate reference rather than treating a model view as the source.

Try it and check your result

Choose one room and make three short lists: confirmed model errors, source unknowns and display-only issues. Count its doors and windows, identify the room beyond each door, and inspect one opening from both sides with walls visible. If a missing door is clear in the source, correct it in a separate option and repeat that pass; if its swing or sill height is unstated, retain the unknown instead of inventing a value.