Floor plan online: how to make one yourself in minutes

A listing has twenty photos and the buyer still does not know what the flat looks like. They see the kitchen, the bedroom, the bathroom — but not how the rooms connect, where the entrance is, or whether the bedroom is reached through a hallway or directly. A floor plan closes that gap in a second. It is the only element of a listing that shows the whole rather than a slice.

The good news is that you can produce one yourself, online, without an architect and without learning CAD. A tape measure, a laptop and half an hour are enough. It does not need to be a construction drawing — a listing needs a legible diagram that makes the layout and the room sizes obvious. All prices below are rough orders of magnitude and vary by market and provider.

Why a floor plan sells

A photo shows mood. A floor plan shows structure. Buyers build a mental model of the property as they scroll, and photos give them only fragments — a different angle, a different focal length, different light each time. Drop a plan in among them and the model assembles itself: the buyer stops guessing and starts planning where the bed goes.

The second effect is about viewings. Disappointment almost always comes from the gap between expectation and reality — the buyer assumed a different layout or a bigger bedroom. A floor plan removes that gap in advance, so the people who book a viewing already know what they are walking into. And a plan holds attention: a living room photo is swiped past in a second, a plan is read. For the rest of the image set, see our guide on how to photograph a property for sale.

Three ways to get one

From an architect or surveyor. The most accurate and most expensive route. Someone measures the property as built and delivers a clean drawing. For a flat, expect a few hundred euros or the equivalent in your market; for a house, more, plus several days to two weeks for a site visit. Worth it in the upper segment or alongside a conversion proposal.

From existing documents. The cheapest route when it works. Look through your own purchase file, then ask the building manager or owners' association, who usually hold the project documentation, and finally the local building authority's archive. Old documents frequently no longer match reality, so check any of them with a tape measure — and if one only roughly matches, draw a new plan.

Drawing it yourself online. The sensible option for a listing. In a browser you click together the outline, the internal walls, the doors and the windows in half an hour and export the result as an image. No installation, no prior experience, and the accuracy is entirely adequate as long as you measure honestly.

Drawing it step by step

Take a tape measure or a laser distance meter and walk the property once.

1. Measure the outline. Start at the front door and work clockwise around the external walls, noting the length of each one. For an irregular layout, sketch by hand and write the measurements onto the sketch.
2. Draw the outline. Set the scale and place the external walls at the lengths you measured; most editors let you type a length as a number. Check that the outline closes and that the total roughly matches your title documents.
3. Add internal walls. These divide the outline into rooms. Wall thickness does not need to be exact — what matters is the shape and proportion of the rooms.
4. Add doors and windows. This is the step that turns a drawing into a floor plan: doors show how you move through the property, windows show where the light comes from.
5. Name the rooms and add areas. Give each room a name and an area in square metres — living room 24.5 m², bedroom 13.2 m². Use ordinary names, not creative ones.
6. Check the total. Add the room areas up and compare them with the figure in your listing. A few per cent is normal; ten per cent means a mistake somewhere.

Finally, export the plan as an image at a resolution that survives zooming on a phone.

From a photo or a hand sketch

An old drawing, a photo of the plan posted in the entrance hall or a sketch on paper can all be a starting point: tools that derive a digital plan from such a source recognise walls, openings and labels and turn them into a clean drawing you then refine. A finished plan can also be used to generate a 3D visualisation.

It works when the source is legible and photographed square on — lay the drawing flat, shoot from directly above, avoid shadows and glare, and write hand-drawn numbers legibly. It does not work with blurred, creased or angled sources, or with plans that carry no dimensions, and interior photos are no help at all, because you cannot see what is around the corner. Whatever route produced your plan, check it yourself at the end.

What has to be on it

A plan for a listing does not need to be buildable; it needs to make living there imaginable. Four things are essential: a scale bar or the main dimensions along the external walls; the area of every room in square metres to one decimal place; a north arrow, because many buyers check orientation before the price; and the total area, matching the figure in the listing.

What does not belong: your furniture, fittings detail, millimetre dimensions and half-page logos. Nor do the extras you are tempted to count in — list storage, balcony and terrace separately rather than folded into the living area. Buyers recalculate anyway. More on that in the piece on common mistakes in property listings.

Getting it into the listing

Export as PNG, or JPG if the portal will not take PNG. PDF does not belong in a photo gallery, because most portals will not display it as an image. Aim for a long edge of around two thousand pixels so the room labels stay readable when someone zooms in.

Place it second to fourth in the gallery. The first image has to earn attention, so use the strongest shot of the property and let the plan follow immediately after; do not bury it at the end. Mention it in the listing text too, and if you are producing a video tour, put the plan at the very start — every shot that follows then makes sense to the viewer.

Cost and common mistakes

A measured survey and drawing from a professional runs to a few hundred for a flat and more for a house. Pulling documents from a building manager or an archive costs mainly time. Drawing it yourself online costs nothing to very little, and current pricing is in the price list.

The most common mistake is having no plan at all. The second is one that does not match reality — an old drawing from before a refurbishment is worse than nothing, because it brings buyers out to a property that turns out to be different. Then illegibility: a photographed sheet of paper on a table, at an angle, with a finger in the corner. Then missing areas, since a room shape without a number will not tell anyone whether a double bed fits. Then clutter, which makes the information harder to find. And finally numbers that disagree — if the text says 68 m² and the plan adds up to 61 m², buyers notice, and some simply close the listing.