EU Renovation Subsidies Guide 2026 — Every Country Compared

Europe is spending billions to decarbonize its building stock. The EU’s Renovation Wave strategy aims to double annual energy renovation rates by 2030, and national governments are backing that goal with generous subsidy programs. But navigating these programs is a nightmare: each country has different schemes, different eligibility rules, different application processes, and different update cycles.

This guide covers everything developers, fintechs, and energy advisors need to know about EU renovation subsidies in 2026. We compare all five countries supported by the GreenCalc API, with real numbers you can use for planning.

The master comparison table

Here is the high-level picture. Each country operates between 2 and 5 major subsidy schemes:

France: The most generous stacking system

France stands out because subsidies are stackable. A low-income household can combine four different schemes on the same project, often covering 70–90% of renovation costs.

MaPrimeRenov (main grant)

The flagship scheme, managed by ANAH. Amounts depend on your income category (Bleu, Jaune, Violet, Rose) and climate zone (H1, H2, H3). A “Bleu” household (very modest income) in zone H1 can receive up to €11,000 for a heat pump and €75/m² for roof insulation. A “Rose” household (high income) receives nothing for individual works — only the “global renovation” pathway is available.

CEE (energy saving certificates)

Energy providers are required by law to fund energy savings. They do this through CEE certificates, which translate into direct bonuses for homeowners. CEE amounts are not income-based — everyone gets the same rate. Typical values: €12/m² for roof insulation, €4,000 for a heat pump in northern France.

Eco-PTZ (zero-interest loan)

A government-backed loan at 0% interest, available from participating banks. Maximum €50,000 for a global renovation (3+ work types), €30,000 for two work types, €15,000 for one. The loan itself is not a grant, but paying zero interest on €30,000 saves roughly €4,500–8,000 over the repayment period.

Reduced VAT

Renovation work that improves energy efficiency qualifies for 5.5% VAT instead of the standard 20%. This applies automatically when using a certified RGE contractor. On a €20,000 project, that is a savings of €2,900.

Check a French simulation with the GreenCalc API:

curl -X POST https://greencalc.io/api/v1/eligibility/simulate \
  -H "X-Api-Key: gc_sandbox_000000000000000000000000000000000" \
  -H "Content-Type: application/json" \
  -d '{
    "country_code": "FR",
    "household": {
      "annual_income": 22000,
      "household_size": 4,
      "is_owner": true
    },
    "property": {
      "type": "HOUSE",
      "energy_rating": "F",
      "postal_code": "75012",
      "surface_m2": 110
    },
    "planned_works": [
      {"work_type": "ROOF_INSULATION", "estimated_cost_eur": 9000, "surface_m2": 90},
      {"work_type": "HEAT_PUMP_AIR_WATER", "estimated_cost_eur": 14000},
      {"work_type": "WINDOWS_DOUBLE_GLAZING", "estimated_cost_eur": 6000}
    ]
  }'

Germany: Flat-rate simplicity through KfW

Germany takes a fundamentally different approach. There are no income categories. Instead, the system offers flat percentage grants based on the type of work and the efficiency standard achieved.

KfW 262 (Effizienzhaus loans with grant component)

KfW, Germany’s state development bank, offers subsidized loans for whole-building renovations. The key innovation is the Tilgungszuschuss — a repayment subsidy that works like a grant embedded inside a loan. Achieve Effizienzhaus 55 standard and 40% of the loan (up to €60,000) is forgiven. That is a €24,000 grant disguised as a loan feature.

BEG EM (individual measures via BAFA)

For single-measure renovations (just insulation, or just a heat pump), the BEG EM program through BAFA provides 15–25% of costs as a direct grant. Heat pump replacements for old oil boilers get a 10% bonus, bringing the total to 35%. Maximum eligible costs: €60,000 per dwelling per year.

The German system is simpler to calculate but harder to maximize — there is no stacking. You choose either KfW (whole-building) or BAFA (individual measures), not both for the same work.

curl -X POST https://greencalc.io/api/v1/eligibility/simulate \
  -H "X-Api-Key: gc_sandbox_000000000000000000000000000000000" \
  -H "Content-Type: application/json" \
  -d '{
    "country_code": "DE",
    "household": {
      "annual_income": 55000,
      "household_size": 2,
      "is_owner": true
    },
    "property": {
      "type": "HOUSE",
      "energy_rating": "E",
      "postal_code": "80331",
      "surface_m2": 140
    },
    "planned_works": [
      {"work_type": "HEAT_PUMP_AIR_WATER", "estimated_cost_eur": 18000},
      {"work_type": "WALL_INSULATION_EXTERIOR", "estimated_cost_eur": 25000, "surface_m2": 120}
    ]
  }'

Italy: High percentages, high complexity

Italy’s Superbonus was once the most generous subsidy in Europe at 110%. In 2026, it has settled at 65% — still remarkably high compared to other countries. But the eligibility rules are among the most complex.

The key concept in Italy is driving works (interventi trainanti) versus driven works (interventi trainati). You must include at least one driving work (thermal insulation of 25%+ of the building envelope, or replacement of the heating system) to unlock Superbonus for driven works (windows, solar panels, EV charging). Additionally, the renovation must achieve a 2-class improvement on the APE energy certificate.

For smaller projects that do not qualify for Superbonus, the Ecobonus (50–65% deduction) and Bonus Casa (50% deduction) serve as fallback options with lower documentation requirements. Read our Superbonus Italy API guide for the full details.

Belgium: Three regions, three systems

Belgium is unique because subsidies are managed at the regional level, and the three regions (Wallonia, Brussels, Flanders) run completely independent programs:

• Wallonia — “Primes Habitation” with income-based multipliers. Base amounts are doubled for low-income households and quadrupled for very low income.
• Brussels — “Renolution” combines energy and renovation premiums into a single application. Amounts depend on income category (A, B, or C) and property type.
• Flanders — “Mijn VerbouwPremie” replaces the old system since 2023. Three income categories determine whether you get the base premium, 150%, or 200%.

The postal code determines which region’s rules apply. The GreenCalc API handles this mapping automatically — you just send the postal code and it selects the correct regional scheme.

Spain: EU-funded, limited windows

Spain’s renovation subsidies come primarily from EU Next Generation funds, distributed through the PREE program (Programa de Rehabilitacion Energetica de Edificios). This creates a different dynamic: funds are finite and allocated on a first-come, first-served basis.

The PREE 5000 program covers up to 40% of costs for individual renovations and 65% for comprehensive renovations. There is a 15% bonus for households in municipalities under 5,000 inhabitants, and vulnerable households can receive an additional 25%. MOVES III handles electric vehicle infrastructure, including EV charging stations installed as part of a renovation.

A key difference in Spain: subsidy availability can vary by autonomous community (Catalonia, Andalusia, Madrid, etc.) because regional governments distribute the EU funds.

Who gets the most? A worked example

Let us take a standard project — a 100m² house with an E energy rating, spending €30,000 on roof insulation and a heat pump — and see what a moderate-income household gets in each country:

*Italy’s Superbonus is a tax deduction spread over 4 years, not a direct grant. If the household cannot use the full deduction, they can transfer the credit to the contractor or a bank — but at a discount.

How to apply: a quick checklist per country

1. France: Create an account on maprimerenov.gouv.fr. Get quotes from RGE-certified contractors. Apply online before works begin. CEE certificates are handled by your energy provider.
2. Germany: Apply through KfW portal or BAFA online portal before signing contracts. An energy consultant (Energieberater) is mandatory for KfW loans.
3. Italy: Hire a certified tecnico abilitato for the asseverazione. File on ENEA portal within 90 days of completion. Keep all documentation for 10 years.
4. Belgium: Apply through your region’s portal (Wallonie: energie.wallonie.be, Brussels: renolution.brussels, Flanders: mijnverbouwpremie.be). Post-completion applications in most cases.
5. Spain: Apply through your autonomous community’s portal. PREE applications are typically post-completion with 3-month deadline.

Using the GreenCalc API for subsidy calculations

If you are building an application that needs to show users their subsidy eligibility — a fintech app, an energy advisor tool, a contractor quoting system — you do not need to implement all these rules yourself. The GreenCalc API handles the complexity:

curl https://greencalc.io/api/v1/eligibility/countries \
  -H "X-Api-Key: gc_sandbox_000000000000000000000000000000000"

Response:

{
  "countries": [
    {"code": "FR", "name": "France", "schemes_count": 4, "income_based": true},
    {"code": "DE", "name": "Germany", "schemes_count": 2, "income_based": false},
    {"code": "IT", "name": "Italy", "schemes_count": 3, "income_based": false},
    {"code": "BE", "name": "Belgium", "schemes_count": 3, "income_based": true},
    {"code": "ES", "name": "Spain", "schemes_count": 2, "income_based": true}
  ]
}

The sandbox is free with no signup required. Use API key gc_sandbox_000000000000000000000000000000000 and start testing. Check the blog for integration tutorials for each country, or dive into the interactive API docs.

GreenCalc is built by AZMORIS Group. Subsidy data is updated continuously from official government sources. Always verify with official portals before making financial decisions.