Ask John, the unbiased AI-powered opinion for your next property
Statbel, notarial data, urban planning and 10,000+ other live sources, I'll give you my opinion in less than 5 minutes...
Hey! I'm John 😊 Send me a listing and I'll give you my honest take — the first analysis is free.
Price Analysis
Statbel + comparables
Financial Simulation
Notary + mortgage
Lifestyle Score
Noise, transport, ...
PimpUp
AI home staging
100% free
No ads, no spam
Belgium's largest real estate database, analyzed by AI
John cross-references millions of official data points (Statbel notarial data, cadastre, EPC registers, urban planning) and explains every detail in plain language.
589 municipalities
Statbel notarial data per m²
7 analysis layers
Price, EPC, renovation, neighborhood, finance...
John explains everything
Expert AI that answers in plain language
John pimps up your interior
Upload a photo of an empty room and AI furnishes and decorates it in your chosen style. The room structure (walls, windows, ceiling) is perfectly preserved. Compare before and after with our interactive slider.
8 interior styles
Modern, Scandinavian, Luxury...
Before / After slider
Interactive comparison
Cost estimation
Budget + value impact
How it works
Paste the link
Copy the URL from any Belgian property listing
AI cross-references the data
Statbel, cadastre, comparables — our AI analyzes everything in depth
John explains it all
Score, verdict, fair price and watch points explained by John
What Ask John analyzes
Price estimate
Compare the asking price with the Statbel median price per m² in the municipality. Detect whether the property is below, at or above market price.
Notary fees
Automatic calculation of registration fees, notary fees, mortgage registration and administrative costs per region.
Renovation budget
Estimate per category: roof, kitchen, bathroom, insulation, heating, windows... With low, realistic and high scenarios.
Mortgage simulation
Monthly payment, total loan cost, cash needed. Adjustable: duration, interest rate, down payment.
Neighborhood analysis
Livability score, noise assessment (airport), public transport, schools and shops nearby.
AI Expert Chat
Discuss the property with John, your Belgian real estate expert. Every observation (pool, renovation, EPC) adjusts the analysis instantly.
PimpUp — AI Home Staging
Upload a photo of an empty room, choose a style (modern, Scandinavian, luxury...) and see the result in seconds. Before/after comparison with slider, cost estimate included.
Market analysis per municipality
Compare the property with all recent sales in the municipality. Median, price evolution and position relative to the market.
Frequently asked questions
How does Ask John work?
Paste a property listing link (Immoweb, Zimmo...) and the most advanced AI on the market cross-references every Belgian data source (Statbel, cadastre, EPC registers) to analyze the property in 30 seconds. You get a score, price estimate, renovation budget, mortgage simulation and neighborhood analysis — all explained by John.
Is Ask John free?
Yes, 100% free, no ads, no spam. We use official public data (Statbel, cadastre) and the most advanced AI for a reliable analysis.
What AI does Ask John use?
Ask John uses the most advanced AI technology on the market to cross-reference millions of official Belgian data points. John doesn't just crunch numbers — he explains his full reasoning process in plain language, like a real estate expert would.
What data sources does the AI cross-reference?
The AI cross-references Statbel notarial transaction data (actual sale prices per municipality), cadastre records, EPC registers, urban planning zones, noise maps, and transport networks. This covers all 589 Belgian municipalities across 3 regions.
Does Ask John work across Belgium?
Yes, for all three regions: Brussels, Wallonia and Flanders. Registration fees, EPC requirements, and renovation subsidies are automatically calculated per region.
Can I discuss the property with the AI?
Yes, John is an expert AI that fully understands Belgian real estate. Say "the kitchen was renovated in 2023" or "there's a pool" and John adjusts the entire analysis (price, score, renovation budget) instantly and explains why.
How does PimpUp (AI home staging) work?
Upload a photo of an empty room, choose a type (living room, kitchen, bedroom...) and a style (modern, Scandinavian, luxury...). John pimps your interior: AI places furniture and decorations while the existing structure (walls, windows, ceiling) is perfectly preserved. You get a before/after comparison with slider and a cost estimate.