Real estate
How to sell a building that doesn't exist yet
Selling an unbuilt building is a strange kind of selling. There is nothing to walk through, nothing to photograph, no balcony to stand on. And the developer usually cannot start building until the bank sees enough presale evidence to release the construction loan.
So the entire sale runs on synthetic material — renders, floor plates, a price sheet, a promise. The industry's default answer to this has been a PDF brochure and a contact form.
Meanwhile the full presale digital stack — brand, launch site, sales gallery, portals — is quoted at $40,000–$120,000 per launch, and developers launch repeatedly. The budget is real. The output usually is not good.
The two audiences, and only one of them buys a condo
The buyer needs to believe the building will exist, that their unit is the right one, and that acting now beats waiting. Belief is a visual and emotional problem.
The lender needs evidence that demand is real before releasing money. That is a data problem, and almost nobody builds for it.
A presale platform that only serves the first audience is a marketing site. One that serves both is the thing that actually unlocks the project.
What the buyer needs, in order
1. Arrival. Sixty seconds that make an unbuilt building feel like a place. Real-time 3D beats video here — not for spectacle, but because a video of an experience is a picture of a thing, and the thing itself weighs less. A looping 4K clip is 5–50MB; a real-time scene can be under 300KB. Roughly 70% of these buyers are on a phone.
2. Their unit, specifically. The purchase driver is not the building, it is unit 26C. That means orbiting the tower, slicing to a floor, tapping a residence, and — the detail that converts — seeing the actual view from that elevation. A buyer on the 26th floor wants to know what the 26th floor sees.
3. Scarcity that is true. Live availability: available, reserved, sold, updating in real time. Scarcity works because it is real, and it stops working the moment a buyer catches you faking it.
4. A reserve flow they already know. Do not invent an interaction pattern for the largest purchase of someone's life. Unit summary, date, time, contact, confirmation — the shape people have already learned from booking a property tour elsewhere.
What the lender needs, and why it's the valuable half
A digital sales gallery records something a brochure never could:
- which units drew attention, and for how long
- which price bands moved and which stalled
- where demand clustered by floor, exposure, and layout
- how many reservations, in what sequence, from where
That is market-demand data a lender can actually evaluate. Most developers commission the 3D as marketing and treat the analytics as a nice-to-have. It is the reverse: the reporting layer underneath the gallery is the part that unlocks financing.
The launch-day argument
The most persuasive sixty seconds in a developer pitch is a simulation of opening day — units flipping to reserved on screen, staggered the way they really go (penthouses and waterfront first), with a running counter.
It makes velocity visible before it happens. St. Regis Residences Dubai sold 70% of its units in the first hour. Every developer knows that story; almost none can show a lender what it would look like for their own building.
Build order
| Phase | What ships | Why this order |
|---|---|---|
| 1 | Launch site + arrival sequence | Something to sell with before the platform is finished |
| 2 | Unit explorer + live inventory | The purchase driver |
| 3 | Reserve flow + reporting | Converts interest and produces the lender evidence |
| 4 | Sales-centre kiosk | The same build, installed on iPads, working offline |
Phase the delivery. A developer who cannot sell anything until month five has bought the wrong project plan.
Common questions
Do we need photoreal CGI as well? Usually yes, for print and film. The real-time layer is the interactive part; they are different crafts and should be quoted separately so you can see the split.
What happens when the design changes mid-presale? It will. Build the unit model as data, not as geometry — then a floor-plan revision or a repricing is a data change rather than a re-render.
Does 3D actually sell units, or just impress? It sells when it answers a question the buyer has — what will I see, how big is it, which one is left. It merely impresses when it exists to be impressive. The test is whether removing an effect loses information.
Can we start before the renders are ready? Yes. Massing, materials, and views can carry the arrival sequence long before final CGI exists.
We built Solmara — a full presale platform for a fictional 92-residence tower — to demonstrate exactly this. It is labelled a concept on every page. The service → · Esta entrada en español →