Energy Certificate: Requirements, Classes and Fines
Mandatory in all sale and rental listings. Valid for 10 years. Fines up to €3,740 for non-compliance.
Legal summary
- Law: DL 101-D/2020
- Validity: 10 years (residential)
- Authority: ADENE
- Maximum fine: €3,740
Energy class scale
What DL 101-D/2020 Requires
Mandatory in listings
Before
Certificate required only at the time of deed
Now
SCE number mandatory in all sale and rental listings
New and renovated buildings
Before
Certificate obtained at construction completion
Now
Minimum class B required for new buildings and PRR-funded renovations
Who Is Affected
Sellers
Required to present valid certificate in listings and deliver it before deed. Without certificate: fine up to €3,740.
Landlords
Same obligation as sellers for rental contracts. The certificate must accompany the rental agreement.
Buyers/Tenants
Should request the certificate before signing. A low class can be negotiated as a price discount or works obligation.
Non-Compliance Risks
| Situation | Frequency | Impact |
|---|---|---|
| Sale/rental without certificate | Mandatory by law | €250 – €3,740 fine |
| Expired certificate (>10 years) | Common for portfolio properties | €250 – €3,740 fine |
| Class E/F — sale price impact | 15% of properties | €3,000 – €15,000 price discount |
| Green mortgage refusal due to low class | Growing in 2025–26 | Higher rate or credit refusal |
Get Your Energy Certificate with InspectOS
InspectOS works with ADENE-accredited technicians across Portugal. The process includes a property visit, thermal envelope and systems analysis, and issuance of the official SCE certificate. For E or F class properties, we also offer an energy improvement plan with ROI estimate and access to PRR subsidies.
Energy Compliance Checklist
- Verify the energy certificate is valid (less than 10 years old)
- Confirm the SCE number appears in the sale/rental listing
- Deliver a copy of the certificate to buyer/tenant before deed
- If class E or below, evaluate energy improvement works before sale
- Check eligibility for PRR energy rehabilitation subsidies
- Confirm the ADENE technician is accredited on the SCE portal
Frequently Asked Questions
When is an energy certificate mandatory?
How long is an energy certificate valid?
What is the fine for not having an energy certificate?
Does a low energy class affect the sale value?
Does the energy certificate cover all rooms?
Related Services
Sources: DL 101-D/2020 — Diário da República · ADENE (adene.pt)