Is my home an energy sieve?

A home is an "energy sieve" if its DPE is rated F or G (consumption > 330 kWh/m²/yr). Check your DPE on Mansard's tool or on observatoire-dpe-audit.ademe.fr.

When is a G-rated home banned from rental?

Since January 1, 2025, G-rated homes cannot be rented under new leases. Existing leases continue but rent cannot be increased.

What happens in 2028?

From January 1, 2028, F-rated homes will also be banned from rental. In 2034, E-rated homes will follow.

What aid is available in Saint-Denis?

MaPrimeRénov' (up to €20,000 based on income), Eco-PTZ (up to €50,000 interest-free), CEE certificates and 5.5% VAT. Île-de-France often has additional regional aid.

Mansard.

— Climate & Resilience Law · ADEME Open Data

Energy sieves in Saint-Denis : 5% du parc

In Saint-Denis, an estimated 1,915 homes are rated F or G — about 5.1% of the housing stock. These homes are already or soon will be banned from being rented under the Climate & Resilience Law.

F + G homes

1,915

5.1% of housing stock

Banned in 2028

1,915

Rental homes

Average G discount

-15 à -22%

On resale (tight market)

DPE distribution in Saint-Denis

Based on 37,203 DPE records.

991.0%

2896.0%

18562.0%

8095.0%

4744.0%

1099.0%

816.0%

Saint-Denis vs national average

Saint-Denis : 5.1% F+G·France average : 16.2% F+G

Ban timeline in Saint-Denis

Estimated number of homes impacted by the Climate Law.

2025

G-rated rental ban

816

homes impacted (2.2%)

2028

F-rated ban

1,915

homes impacted (5.1%)

2034

E-rated ban

6,659

homes impacted (17.9%)

Check your home's DPE rating

Free tool, no signup. MaPrimeRénov' grants estimate included.

Check your home's DPE rating

How much does an energy renovation cost?

Going from F to E typically costs €250-450/m² (roof insulation + heating). Going from G to D requires €600-900/m² (full insulation + heat pump).

Calculate my MaPrimeRénov' grants

Other cities in Île-de-France

Paris Boulogne-Billancourt Montreuil Argenteuil Nanterre Vitry-sur-Seine

FAQ

Estimated 1,915 F/G homes in Saint-Denis — about 5.1% of the housing stock.

Data from ADEME open data (DPE Observatory) with national-average estimates when local data is unavailable. Mansard is not affiliated with ADEME or Anah.

Mansard.

— Climate & Resilience Law · ADEME Open Data

Energy sieves in Saint-Denis : 5% du parc

In Saint-Denis, an estimated 1,915 homes are rated F or G — about 5.1% of the housing stock. These homes are already or soon will be banned from being rented under the Climate & Resilience Law.

F + G homes

1,915

5.1% of housing stock

Banned in 2028

1,915

Rental homes

Average G discount

-15 à -22%

On resale (tight market)

DPE distribution in Saint-Denis

Based on 37,203 DPE records.

991.0%

2896.0%

18562.0%

8095.0%

4744.0%

1099.0%

816.0%

Saint-Denis vs national average

Saint-Denis : 5.1% F+G·France average : 16.2% F+G

Ban timeline in Saint-Denis

Estimated number of homes impacted by the Climate Law.

2025

G-rated rental ban

816

homes impacted (2.2%)

2028

F-rated ban

1,915

homes impacted (5.1%)

2034

E-rated ban

6,659

homes impacted (17.9%)

Check your home's DPE rating

Free tool, no signup. MaPrimeRénov' grants estimate included.

Check your home's DPE rating

How much does an energy renovation cost?

Going from F to E typically costs €250-450/m² (roof insulation + heating). Going from G to D requires €600-900/m² (full insulation + heat pump).

Calculate my MaPrimeRénov' grants

Other cities in Île-de-France

Paris Boulogne-Billancourt Montreuil Argenteuil Nanterre Vitry-sur-Seine

FAQ

Estimated 1,915 F/G homes in Saint-Denis — about 5.1% of the housing stock.

Data from ADEME open data (DPE Observatory) with national-average estimates when local data is unavailable. Mansard is not affiliated with ADEME or Anah.