Make Plan
For the fieldLiDAR scan app for smartphone or robot — generates digital plans and 3D models in minutes (8 min / 100 m²) with automatic calculation of surfaces, volumes, building envelope, thermal bridges and adjacencies.
Learn moreBuilding Data Intelligence for the Energy Transition
From on-site capture to certification, KLK France makes every step reliable with advanced digital technologies for smarter, more connected and more sustainable real estate.
- 100% webZero installation
- ADEME approved3CL-EPC compliant
Partenaires
Tech solutions editor for the building industry
Model the real & standardize your diagnostics
LiDAR intelligence powering building energy transition.
Capture
Capture with Make Plan via smartphone or scan robot (LiDAR)
Modeling
2D plan and 3D model generation. Accuracy rate between 98 and 99% (data per CSTB expertise*)
Structuring
Data extraction: measurements, geolocation, orientation and envelope parameters
Auto injection
Data integration into KLK Diag
Standardized EPC
3CL* calculation, labels, ADEME XML, report
Same building → same EPC = Total reproducibility
* Expertise ref. — Case number: DTI_LAB 001 · Date: November 25, 2025 · Ref.: DTI – A.M.
What we change
Current practice vs Diag by Make Plan
Current practice
Approved EPC software
Windows only
General measurement capture
Living area, adjacencies, thermal-bridge linear measurements…
Laser meter, tape, paper: manual
Orientation & geolocation
Assessor’s judgment
3CL engine input
Manual re-entry (errors)
Reproducibility
Operator-dependent
Massification
Manual handling, limited capacity
Verification & traceability
Manual audit, low interoperability
Scalability
Limited capacity
Our solution: DIAG by MakePlan
Approved EPC software
First web solution, any device
General measurement capture
Living area, adjacencies, thermal-bridge linear measurements…
Smartphone or Robot (LiDAR): automatic, CSTB-certified
Orientation & geolocation
Sensor measurement + precise GPS
3CL engine input
Automatic integration of input data
Reproducibility
Identical data — measured, archived, certified
Massification
Large-scale production
Verification & traceability
Interoperable with existing tools, guaranteed input data and built-in consistency checks
Scalability
Integrated administrative management and BIM object library, replicable across Europe
Approved EPC software
First web solution, any device
General measurement capture
Living area, adjacencies, thermal-bridge linear measurements…
Smartphone or Robot (LiDAR): automatic, CSTB-certified
Orientation & geolocation
Sensor measurement + precise GPS
3CL engine input
Automatic integration of input data
Reproducibility
Identical data — measured, archived, certified
Massification
Large-scale production
Verification & traceability
Interoperable with existing tools, guaranteed input data and built-in consistency checks
Scalability
Integrated administrative management and BIM object library, replicable across Europe
- Robust data
- Standardized diagnostics
- Well-targeted renovations
- Reduced CO₂ emissions
Without changing the 3CL-EPC method. Without changing regulation. By guaranteeing only the quality of input data.
3CL engine certified by ADEME
Measurements up to 99% reliable, CSTB Lab certified
Positioning
The first 100% web ADEME-approved EPC software for existing buildings
~0.000
active assessors in France
French Ministry of Housing, 2025
0 M
EPCs delivered / year in France
French Ministry of Housing
EPBD 0
EU directive — European harmonization
European Commission
OurVision
Reshaping the future of energy diagnostics
Diag by Make Plan paves the way for a new standard that matches France’s and Europe’s climate ambitions.
Reliable data
Measured, verifiable, defensible — a shared foundation for every building stakeholder.
Accelerated decarbonization
Faster, more accurate diagnostics → renovations launched sooner and at greater scale.
Production capacity in France
4 MToday
7 MTomorrow with Diag
Up to 7 M EPCs per year achievable with Diag by Make Plan.
+ 1 to 2 extra diagnostics per day per assessor
The ecosystem
An integrated ecosystem serving the energy performance of buildings
KLK France offers a modular and connected software suite covering the entire value chain — from field to energy decision.
Field
Scan, measurements, observations
Design
BIM, plans, modeling
Certification
EPC, reports, compliance
Operation
Monitoring, analytics, optimization
KLK.Diag
For the calculationOur ADEME-approved 3CL engine. EPC, energy audit. Compliant XML, energy & GHG labels, full traceability.
Learn more
Make Office
For the agencyManagement platform: orders, quotes, scheduling, invoicing. The backbone of the EPC agency.
Learn more
Make Objects
For project managersBIM object library (materials and systems) integrated into the ecosystem, supporting energy-renovation estimates.
Learn more
CostRenov
For cost estimationDedicated app for renovation cost estimation: fast pricing, comparative scenarios and reliable quotes built from building data.
Learn moreReliable, unified dataUsable at every stage of the building life cycle.
Compliant & certified
ADEME-approved solutions aligned with industry standards.
Secure
Sovereign hosting and encrypted data.
Open & connected
Open APIs and integrations with your business tools.
Sustainable
Contribute to higher-performing, responsible buildings.
About
Expertise serving the building industry
Real estate developer for 30 years and software publisher since 2022, KLK France puts its dual DNA at the service of the building sector, from renovation to energy certification. BIM, LiDAR, data, automation, virtual reality: our tools bring reliability to every stage, from design to operation. For smarter, more connected and more sustainable real estate.
Our historical real estate development activity
They trust us
Who we are
A founding team at the crossroads of the field and tech
A vision carried into the field.
Through floor-plan capture, winners of the ORPI × RENT 2024 Award, present at VivaTech 2026 with a new innovation: integrating existing-building data into the EPC calculation software — the KLK France team carries a Construction 4.0 vision to real estate and construction stakeholders.
1er PrixInnovation Proptech
ORPI / RENT 2024
ORPI / RENT 2024
They trust us
Professionals who streamline their production with our solutions
Johann RadreauCEO · Audit Immo 71
Real estate diagnostician
KLK France revolutionized our project with their digital expertise and innovative solutions like BIM and smart buildings.
x3Production capacity
-61 %Data entry errors
100 %Data traceability
Simon ThebaultResearch & expertise engineer · CSTB
Research & expertise
The scan is fast, intuitive and accurate (<1% deviation). [...] Automatic detection of openings and adaptation to cluttered spaces significantly improve survey efficiency, with real-time 3D rendering ideal for as-built surveys, renovation, diagnostics, estimation, etc. Make Plan represents a real time saver.
Guillaume MartinaudPresident · Orpi
Real estate network
Make Plan is a major innovation that brings a real technological advance to the real estate sector. [...] Our agents gain in speed, efficiency and service quality. We are proud to have collaborated with such a visionary startup. A genuine innovation that fully deserves the ORPI x RENT 2024 Award.
Zoubeir LafhajHolder of the “Construction 4.0” Chair · Centrale Lille
Academic research
Make Plan turns a simple smartphone into an intelligent scanner that can instantly generate plans and 3D models. [...] Its ecosystem approach, designed for different professions, perfectly embodies the Construction 4.0 vision: more efficiency, connectivity and sustainability.
Matthieu CarréPresident · OCR BET
Engineering firm
Make Plan is an innovative solution, intuitive even on a smartphone. It saves us precious time by avoiding return trips to the site, thanks to real-time verification of measurements. [...] It combines precision and profitability, while simplifying graphic input where other tools remain restrictive.
Kevin GormandCEO and founder · Mudawab.ma
Digital real estate platform
KLK France helped us optimize our real estate project with innovative digital solutions. Their BIM and data analysis expertise was essential to making informed decisions and maximizing our investment.
EU
EPBDAligned with EU directive
GDPR compliantData hosted in the EU
Software approved by:
