MaPrimeRénov’ has been suspended since January 2026 due to a lack of approved budget. This situation highlights the fragility of a financial arrangement relying on a single aid. Homeowners engaged in an energy renovation project should build a multi-source financing plan, incorporating complementary schemes that remain available even when the main funding source closes.
Decarbonization of heating: a growing constraint that alters the renovation budget
The scope of ma prime renov is gradually tightening around decarbonized systems. Homeowners planning a significant renovation must now anticipate replacing gas heating with an air/water heat pump or connecting to a district heating network to maintain their eligibility for the supported path.
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This refocusing radically changes the calculation of the remaining costs. A homeowner who initially planned only insulation and window replacement must now include the cost of a decarbonized system in their overall budget.
Anticipating this constraint allows for smoothing out expenses in the financing plan rather than facing it as a last-minute additional cost.
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Gas and biomass: two exclusions to factor into the estimates
Since January 1, 2026, wall insulation and biomass boilers are no longer funded by MaPrimeRénov’ on a per-action basis. A homeowner who relied on this aid to finance a pellet stove must revise their plans.
In practical terms, the scope of eligible works is narrowing around heat pumps, solar thermal, and attic and floor insulation. Checking the list of eligible actions before signing a quote helps avoid discovering later that a budget item is no longer covered.
CEE Grants: the underutilized financing lever
The Energy Savings Certificates grant for heat pumps offers significant bonuses. This scheme is accessible to all homeowners without income conditions, except for secondary residences.
This bonus offsets part of the additional costs related to decarbonization requirements. Combining the enhanced CEE grant with other aids significantly reduces the remaining costs more than a single isolated scheme.
The CEE grant is not paid by the state but by energy suppliers. The amount varies from one supplier to another. Comparing at least three offers before committing is essential, as the differences can be substantial for the same installation.
- Ensure that the contractor is RGE certified before signing the quote, a prerequisite for triggering the CEE grant.
- Never start work before obtaining written approval from the energy supplier providing the grant.
- Keep the sworn statement of completion: this is the document that triggers the payment.
Eco-PTZ and cash advance: securing the financial setup before the first hammer blow
The main budgetary risk in energy renovation is not the cost of the work, but the cash flow gap. Public aids are paid after the end of the project, sometimes several months later. Very low-income households can obtain an advance as soon as they sign the quote, but other profiles must pre-finance the entire amount.
The Eco-PTZ remains the most effective supplement to absorb this gap. This zero-interest loan, provided by partner banks, finances eligible works without interest or application fees. It can be repaid over a period of up to twenty years for comprehensive renovations.
Staging the work to smooth the remaining costs
A comprehensive renovation project does not require everything to be done in one phase. The per-action path allows for addressing items one by one, by submitting a request for each intervention. This sequential approach offers a direct budgetary advantage: each phase generates its own aid payment, reducing the need for simultaneous cash flow.
The choice between the per-action path and comprehensive renovation depends on the energy classification of the housing. For thermal sieves classified F or G, the supported path offers higher aid amounts but imposes a heavier overall commitment. For homes classified D or E, the per-action path often remains more suited to the available budget.
Project support for renovation: the role of an orchestrator to control costs
Putting together an energy renovation file involves administrative, technical, and financial constraints that far exceed the choice of a contractor. Simulating aids, verifying RGE certifications, sequencing the work, submitting requests to ANAH and energy suppliers: each poorly managed step can delay a payment or cancel an aid.
This is where homji comes in, a brand created by Crédit Mutuel Alliance Fédérale. homji guides homeowners from A to Z, from the initial diagnosis to the completion of the work. Its online simulator, completely free, identifies the aids available based on the household profile and type of housing.
Being backed by a cooperative banking group allows homji to offer access to Eco-PTZ and the Renovation Advance Loan through Crédit Mutuel and CIC networks. homji can also advance MaPrimeRénov’ aids at no cost, a particularly useful mechanism for households lacking the cash flow necessary to pre-finance the work. However, this possibility remains contingent on the reopening of the scheme, which has been suspended since January 2026.
Local aids and reduced VAT: the supplements that homeowners forget
Local authorities (regions, departments, intercommunalities) offer complementary aids whose amounts and conditions vary greatly from one area to another. These local grants can be combined with other national schemes.
- Consult the France Rénov’ advisory space of your municipality to find out about active local schemes.
- Check if the municipality applies a partial exemption from property tax after energy renovation work.
- Include the reduced VAT rate (5.5%) on energy improvement work, applied directly by the contractor on the invoice for homes over two years old.
The 5.5% VAT applies automatically without any special procedure, provided that the housing is over two years old and the work is carried out by a professional. This VAT differential represents a mechanical saving on each eligible work item.
The combination of these schemes transforms the actual remaining costs. A homeowner who mobilizes the enhanced CEE grant, an Eco-PTZ, and a local aid significantly reduces their net expenditure. The key remains to establish the complete financing plan before starting the work, not after.