Understand, simulate and improve your DPE
9 tools powered by the ADEME database (14M+ diagnostics) and the official 3CL-2021 method. Free to start, no account needed to try.
DPE Verification
Check your diagnostic's reliability and automatically detect anomalies.
- 40+ technical checks
- Reliability score /100
- Fraud detection
Where does your home sit on the energy scale?
- A
- B
- C
- D
- E
- F
- G
Analyze
Understand and validate an existing DPE
DPE Visit Checklist
FreeGather the right documents before the assessor’s visit and avoid penalising default values.
DPE Summer Comfort
FreeTest your home’s summer comfort indicator (annex 9): solar protections, roof, inertia, dual-aspect.
Interactive DPE Map
FreeExplore diagnostics on a map and spot the thermal sieves in your neighborhood.
Find Property by DPE
Account requiredFind a listing's exact address using the ADEME database.
Simulate
Project your energy label
DPE Simulation
30/moEstimate your home's energy label with the official 3CL-2021 method.
My DPE in 2027
FreeWhat rating would your home get at the 1.7 electricity factor, which applies to certificates issued from 1 January 2027?
Act & add value
Fund your works and negotiate the price
Renovation Works
15/moCalculate your MaPrimeRénov' 2026, CEE and Éco-PTZ aids and label gain.
DPE Decote Calculator
Account requiredEstimate a property's price decote by its label (OneDpe calibration on DVF transactions).
Estimate my property’s value
How much is your home worth? Get a free estimate based on real transactions, with the € impact of its DPE label — on our sister site Mon Simulateur Immobilier.
monsimulateurimmobilier.frFind a property by its DPE
Find the exact address of a property seen in a listing from its DPE data, cross-referenced with the 14M+ ADEME database.
Related articles
Selling after MaPrimeRénov': do you have to repay the grant?
Selling a home soon after supported works: when must you repay MaPrimeRénov'? The role of the rental commitment, the landlord case, and the distinction from CEE and the eco-PTZ loan, sourced from ANAH and France Rénov'.
Which works to move from F or G to D? Costed scenarios by property type
Moving from F to D on the DPE/EPC: works-bundle scenarios by property type (old house, recent house, flat), with ADEME cost ranges and 2026 subsidies (MaPrimeRénov' full-scale, CEE).
External or internal wall insulation: the choice that changes everything
External (ITE) or internal (ITI) wall insulation: performance, thermal bridges, cost (ITE often close to double ITI), loss of space, façade constraints and 2026 subsidies. How to choose, and why wall insulation is no longer funded as a single action.
Sources
ADEME database (14M+ diagnostics) · Official 3CL-2021 method · Green value calibrated on DVF transactions · 2026 official rates