KLK France will be at VIVATECH 2026 ! June 17–20, 2026 — Paris Porte de Versailles

KLK France

Building 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
CSTB Lab Partner
Kroqi
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Tech solutions editor for the building industry

Model the real & standardize your diagnostics

LiDAR intelligence powering building energy transition.

Scan + 2D measurements
Scan + 2D measurements
3D model transition
Standardized EPC
DPEENERGY DIAGNOSTICABCClass CDEFG3CLADEME XML
  1. Capture

    Capture with Make Plan via smartphone or scan robot (LiDAR)

  2. Modeling

    2D plans, 3D model, measurements accurate to about 99% per CSTB expertise

  3. Structuring

    Data extraction: measurements, geolocation, orientation and envelope parameters

  4. Auto injection

    Data integration into KLK Diag

  5. Standardized EPC

    3CL* calculation, labels, ADEME XML, report

Same building → same EPC = Total reproducibility

What we change

Current practice vs Diag by Make Plan

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

KLK.Diag on laptop, tablet, and smartphone: data management, 3D floor plan, and thermal map.
~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

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

Make Plan
Make Plan

Make Plan

For the field

LiDAR 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.

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KLK.Diag
KLK.Diag

KLK.Diag

For the calculation

Our ADEME-approved 3CL engine. EPC, energy audit. Compliant XML, energy & GHG labels, full traceability.

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Make Office
Make Office

Make Office

For the agency

Management platform: orders, quotes, scheduling, invoicing. The backbone of the EPC agency.

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Make Objects
Make Objects

Make Objects

For project managers

BIM object library (materials and systems) integrated into the ecosystem, supporting energy-renovation estimates.

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CostRenov
CostRenov

CostRenov

For cost estimation

Dedicated app for renovation cost estimation: fast pricing, comparative scenarios and reliable quotes built from building data.

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Reliable, 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 and tech publisher, 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

The KLK France team at the RENT 2024 trade show

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.

Halima Khayatey

Halima Khayatey

Founder
Rachid Khayatey

Rachid Khayatey

Co-founder
Olivier Ranjard

Olivier Ranjard

Partner
Johann Radreau

Johann Radreau

Partner
Laurent Dhotel

Laurent Dhotel

Partner

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:
ADEME
CSTB Partner
VivaTech
Kroqi