Why we built the shield you didn't know you needed.
A home is more than a line item — it's where your life happens and where your life savings are often buried. We built Kestim to make sure nobody takes advantage of that.
Is this fair? Am I being overcharged? Can I trust this person with my life savings?
It usually starts with an exciting dream: a new kitchen, a nursery, or finally fixing up the family home. But for most of us, that dream quickly turns into a high-stakes guessing game. You're handed a 10-page quote filled with technical jargon, "allowances," and price tags that feel arbitrary.
We realized that when a homeowner walks into a renovation, they are entering a room where the other person holds all the cards. That feeling of vulnerability isn't just stressful — it's expensive.
The person with the most data usually wins.
Kestim was born because we saw too many honest people lose their confidence — and their budget — to the Information Gap. In construction, the person with the most data usually wins. For decades, that has always been the contractor.
We decided it was time to give that data back to you.
Leveling the playing field.
We didn't build Kestim to replace contractors. We built it to hold the industry to a higher standard of transparency.
Independence is Everything
We don't take kickbacks. We don't recommend specific builders. Our only loyalty is to your project.
Data is Power
By using advanced intelligence to analyze local market rates, we turn "I think this is too high" into "I know this is too high."
Clarity Ends Conflict
Most disputes happen because of a lack of shared facts. When you and your contractor look at the same market data, the "scam" disappears and the "solution" begins.
100% Independent — No Contractor Kickbacks
We never take commissions from contractors. We never recommend specific builders. Our only client is you, the homeowner.
Your project, under your control.
Kestim is the digital project manager we wish we had during our own renovations. We are here to ensure that your dream home doesn't become a financial nightmare.
We provide the clarity. You keep the control.
Why general AI isn't enough for your home.
ChatGPT is a powerful tool, but it lacks the specialized knowledge, localized data, and renovation expertise needed to protect your investment. Here's why homeowners choose Kestim.
Generic AI
Generic Data- Trained on generic internet data from 2021-2023
- No access to real-time local pricing data
- Cannot analyze your specific property photos
- Provides generic estimates that vary wildly
- No verification of contractor quotes
Kestim
Verified · Local · Real-time- Specialized exclusively in real estate & renovation
- Live pricing data across Belgium, France, NL, Luxembourg
- Analyzes your actual property photos & documents
- Accurate estimates based on CSTC technical reports
- Compares real contractor quotes line-by-line
Insider Knowledge
Access to CSTC technical reports, industry benchmarks, and real contractor pricing databases that ChatGPT has never seen.
12+ Years Experience
Founded by contractors and renovation experts with over a decade of hands-on field experience, not just AI training.
Laser Focus
We do one thing exceptionally well: renovation analysis. No general knowledge, no distractions, just expertise.
Privacy First
Your quotes, photos, and project details are never shared with third parties or used to train public AI models.
Structured Reports
Get a professional PDF report with clear sections, risk assessments, and actionable insights—not a chat conversation.
Always Current
Our pricing data is regularly updated with current market rates, material costs, and regional variations.
Built for homeowners.
Ready to renovate with confidence?
Join thousands of homeowners who started their renovation prepared.