Buildable vs Excel
Excel got you this far. It won't get you through more deal flow.
Nothing's wrong with Excel — it's flexible, everyone knows it, and for a one-off calculation it's fine. The problem shows up as deal volume grows: every model is rebuilt from scratch, comps are entered by hand, and the analysis only holds up as well as whoever built that particular spreadsheet. Buildable does the same underwriting work without starting from a blank sheet every time.
Used by real estate teams across Dubai — including Better Homes Capital Markets and PlotXperts.
Where Excel genuinely works fine
For a quick back-of-envelope number, a one-off calculation, or something only one person will ever open, Excel is fast and nobody needs to learn a new tool. Buildable isn't trying to replace that. This is about what happens when the same kind of analysis needs to happen every week, across a growing pipeline, and hold up when someone other than the person who built it opens it.
Where it breaks down
The bigger problem isn't the spreadsheet itself — it's everything upstream of it. Comps come from DLD, Property Monitor, or a broker's PDF; rent rolls arrive as scanned documents; market context lives in someone's head or a report from three months ago. None of that is connected to the Excel file. Every number gets manually re-typed across that gap, and once it's in, the model has no way of knowing if the source has since changed — a revised comp, an updated rent roll, a new DLD transaction. The spreadsheet doesn't know, and won't tell you.
Building the model itself is its own job on top of that: linking sheets, writing formulas for GDV and residual land value, formatting a sensitivity table, then doing most of it again slightly differently for a villa versus an apartment building. Little of that structure transfers between deals — most teams rebuild it from something close to scratch each time, because the last one was tailored to a different asset.
And the analysis is only as consistent as the discipline of the person building it that day — two analysts on the same deal can reasonably produce two different-looking models, and one broken formula reference can sit unnoticed until someone questions the number later.
A worked example
Buildable's own write-up on development feasibility describes exactly this: building a feasibility model from scratch means sourcing comparable sales to anchor assumptions, pulling construction cost benchmarks, modelling finance costs, and running sensitivities — "in a typical workflow, this takes a full day or more." Buildable runs the same residual land value methodology against the same kind of data, structured and ready in minutes rather than a day.
Pasting the spreadsheet into ChatGPT doesn't fix this
A common workaround is exporting the Excel model or comps into ChatGPT or Claude and asking for a check or a summary. It can help you read faster, but it doesn't remove the verification problem — it moves it. A general AI model can misread a number, miscalculate a formula, or state something with total confidence that isn't actually in your data. You still have to check every figure by hand, just in a chat window instead of a spreadsheet.
What you don't lose
Buildable doesn't ask you to abandon Excel. Every underwriting model exports to Excel, so if you need to hand off a working spreadsheet — to a partner, a lender, or your own future self — it's there. You can also upload your own existing documents (offering memorandums, rent rolls, broker packs) rather than starting from a blank file.
Buildable vs Excel: comparison
| Capability | Excel | Buildable |
|---|---|---|
| Time per feasibility or comps analysis | A full day or more, from scratch | Minutes |
| Link between source data and the model | None — manually re-entered, can drift out of sync | Flows directly from DLD or uploaded documents |
| Comparable data | Sourced and entered manually | Built in, DLD-grounded |
| Consistency across analysts | Varies by who built the model | Same structure every time |
| Error risk | Manual formulas, easy to break silently | Calculations run the same way every time |
| Checking AI-generated numbers (if you paste into ChatGPT/Claude) | Still required — a general model can hallucinate a figure | Not applicable — calculations run through fixed logic, not free-form generation |
| Audit trail | Depends on file discipline | Sourced, traceable evidence |
| Works with your existing files | — | Yes — upload documents, export models to Excel |
| Built for Dubai real estate specifically | General-purpose spreadsheet tool | Yes |
Swipe to compare Excel and Buildable
Frequently asked questions
No. Buildable's underwriting models export to Excel, so nothing is locked away — many teams still use Excel for one-off calculations and keep Buildable for the repeatable, per-deal work.
Yes — offering memorandums, rent rolls, broker packs, and other deal documents can be uploaded directly rather than rebuilding a model from a blank file.
Not in what you get out the other end — an underwriting model, a feasibility summary, a comp set. What changes is not building each one from scratch, and not depending on one analyst's personal spreadsheet discipline to keep it accurate.
Because checking a general AI model's output number-by-number is its own manual task — it can hallucinate a figure or misread a cell just as easily as a person can mistype one. Buildable's calculations run through fixed logic, not free-form generation, so the numbers are consistent by construction rather than something you have to double-check every time.
At PlotXperts, speed and accuracy in plot valuation are non-negotiable, and Buildable delivers both. We use it to run transaction comparables and full feasibility studies in a fraction of the time it used to take, giving us a defensible view of a plot's value, revenue potential, and profit before we sign a sale mandate or advise a buyer. It has made our team faster and our advice sharper. A clear recommend.
See the difference on a real asset.
Compare a unit or project using live DLD data — free, no login. Bring your own spreadsheet model by starting a free account, or book a demo to go through a live deal together.