The Ultimate Real Estate Calculator

Version 1.6 · Changelog · Releases

by Abdulla Alzarooni · Real Estate with Abdulla Alzarooni · Instagram

A set of Claude skills that turn Dubai / UAE property deals into client-ready reports — real market data, clear verdicts, every calculation shown. Install once, get every calculator, and new ones arrive with a single update.

See it

An example report (Binghatti Starfall studio, Al Jaddaf). Every number links back to its source and all the maths is shown step by step.

New in v1.6: a new distressed rule (15% below on price alone, or a "high-yield deal" when only the rent is strong), a Download PDF that follows your on-screen settings, and a fuller client PDF with the location pages.

Since v1.5: an interactive area map in every report: roads, metro and rail (built and planned), 215 community areas with cards and news, places, schools and hospitals, search, and drive times to the nearest places, in English and Arabic.

More screenshots on the Off-plan Report and Ready Property Report pages.

Calculators

Calculator	What it does	Version
Off-plan Report	Sales offer / brochure / Reelly or GenieMap link → full off-plan evaluation (profit at handover, yield, what-ifs, supply & demand, optional developer section, payment plan, view map, location, PDF) · distressed deal test for resales · similar listings with possible distressed deals · mortgage with developer × bank deals (e.g. ADCB × Ellington)	1.6.0
Post-Handover Report	Units on a post-handover payment plan (60/40, 50/50…) → everything in the off-plan report plus: does the rent cover the instalments after handover, monthly top-up, yield on your cash, empty-months slider · distressed deal test for resales · similar listings with possible distressed deals (no mortgage: it doesn't apply to post-handover plans)	1.4.0
Ready Property Report	Bayut / Property Finder listing of a ready unit → price vs size-matched recent sales in the building, rent (unfurnished / furnished) and yield on your cash, cash or mortgage (UAE National / Resident / Non-resident, 1st or 2nd mortgage, fixed rate then EIBOR + margin, insurance and fees), sell after 1–10 years with a building-age discount, supply & demand, optional developer section, view map, PDF · distressed deal test · similar listings with possible distressed deals · mortgage, year by year (yearly cashflow, EIBOR scenarios)	1.3.0
Airbnb / holiday home	coming soon	–

Built into every calculator (v1.4): distressed deal test for owner resales, similar listings with possible distressed deals, a mortgage section (off-plan and ready; off-plan also shows developer × bank deals such as ADCB × Ellington), and the same section order in all three. See each skill's references/modules.md.

Install guide (step by step)

Takes about 15 minutes the first time. Built and tested on macOS; Windows and Linux should work but haven't been tested yet.

Step 1 · Get the Claude desktop app (recommended)

1. Download the Claude desktop app for Mac or Windows and sign in.
2. Open the Code tab. That's where the calculators run: you chat, attach the sales offer, and see the finished report and files right there, no terminal needed.

Why the desktop app: Claude can open the report it built, look at it and check it before handing it to you, show the report and PDF beside the chat, and preview pages in its own browser panel. It's the easiest way to use the calculators.

A paid Claude plan is needed for the Code tab.

Install the claude command from claude.com/claude-code and run it in any folder. Everything below works the same.

Step 2 · Connect Claude to your Chrome

Claude reads the property data sites (DXB Interact, Bayut, DLD, Reelly, GenieMap, Google Maps, GIS DDA) in your own Chrome, where you are already logged in.

1. Install Google Chrome if you don't have it.
2. Add the Claude in Chrome extension from the Chrome Web Store and sign in with the same Claude account.
3. Log in to the data sites you use (DXB Interact, Reelly…) in that Chrome. The calculators never use Property Monitor: it does not allow AI use. You type your own passwords; Claude never does.

Step 3 · Install the calculators

In the Code tab, paste this message:

Install The Ultimate Real Estate Calculator: https://github.com/AbdullaAlzarooni/ultimate-real-estate-calculator

Claude downloads it, installs every calculator, and checks the tools it needs: Python 3 (with pymupdf and pillow), Node.js and Chrome. If one is missing, it explains what it is and walks you through installing it from the official site.

git clone https://github.com/AbdullaAlzarooni/ultimate-real-estate-calculator.git ~/.claude/ultimate-real-estate-calculator
bash ~/.claude/ultimate-real-estate-calculator/install.sh
pip3 install pymupdf pillow

Start a new session after installing so Claude picks up the calculators.

Step 4 · First report (one-time setup included)

Ask for a report and attach what you have, for example:

Make an off-plan report for this unit (attach the sales offer PDF, brochure, or a Reelly / GenieMap link)

Make a post-handover report for this 60/40 plan (attach the sales offer)

This is the beginning of the README. Read the rest at the original. Read the full README ↗