Do 'green' mortgages exist in Spain for energy-efficient homes?
New-build buyers often ask whether an energy-efficient home can bring better mortgage conditions in Spain. Some banks do look at the energy certificate when assessing a file, but this is never automatic and varies from one lender to another.
Who is behind this page. Colibrí Finances is the mortgage brand of PISOK NUEVO HOGAR, S.L., a credit intermediary registered with the Bank of Spain (code E480). We compare more than 20 Spanish banks for people who live abroad. The study is free; our fees are agreed in writing beforehand, and we support you all the way to signing. We answer in English.
Why the energy certificate matters more than it used to
Every home sold or rented in Spain must carry an energy performance certificate, the Certificado de Eficiencia Energética, rating the property from A (most efficient) to G (least efficient). A handful of Spanish banks have started paying attention to this rating when they review a mortgage file, particularly for new-build flats and houses finished to current insulation standards.
For a buyer in the United Kingdom, the practical question is simple: does a good energy rating change what the bank offers? The honest answer is that it can, for some lenders, but there is no single rule across the Spanish market, and no bank is obliged to treat energy efficiency any differently from any other property feature.
No Spanish bank is required to offer different terms for an energy-efficient home; where it happens, it is a commercial policy of that specific lender, not a legal standard.
What a 'green' mortgage means in Spain
There is no single, regulated product called a 'green mortgage' in Spain in the way some other European markets define one. What exists, in practice, is a small number of banks that build the energy certificate into their internal assessment of a property, alongside the usual criteria: the buyer's income, existing debts and the valuation the bank itself commissions.
Where a bank does this, it may ask for the certificate earlier in the process, or treat a high rating as a positive factor when deciding how to structure the loan. Other banks do not look at the certificate at all beyond the legal requirement that it exists. This is why we always say the same thing to clients buying a new build: ask the specific bank, because the policy changes from one institution to the next.
If a bank mentions energy-linked conditions, ask for this in writing before you commit to that lender, since verbal indications at an early stage are not binding.
How this fits into the wider mortgage file
For a non-resident buyer, the energy certificate is only one document among many. Spanish banks will still want to see proof of income and existing debts from the United Kingdom, and for UK buyers this typically means a recent P60 and payslips, the last filed Self Assessment tax return, bank statements from the last three to six months, and a record of any existing loans or mortgage commitments. A valid passport is also required, together with the Spanish tax number (NIE) and a Spanish bank account that every non-resident needs to buy and to pay.
Even when a bank takes the energy rating into account, it does not replace this core assessment. A strong certificate on an efficient new build will not offset a weak income file, and the bank will still ask non-residents for a larger deposit than it asks of Spanish residents; the exact share depends on the bank, your country and your profile.
CEE
Certificado de Eficiencia Energética
The mandatory energy certificate, rated A to G, that every Spanish home must have before sale or rental. Some banks review it when assessing a mortgage file; many simply file it as a legal requirement.
Why rating and age of the building tend to go together
In our experience, the properties most likely to carry an A or B rating are new builds finished to recent insulation and installation standards, since these are designed around current energy rules. Older resale homes can still score well if they have been renovated, but it depends on the specific works carried out, not simply on the age of the building.
This matters for buyers from the United Kingdom comparing a new build against a resale property, because the purchase costs differ too: new builds carry 10% VAT plus stamp duty, while resale homes carry a regional transfer tax (ITP); notary, land registry, gestoría and the bank's own valuation apply to both.
| Energy rating | Typical building type | Relevance for a mortgage file |
|---|---|---|
| A-B | New build, current insulation standards | Most likely to meet a bank's energy criteria, where one exists |
| C-D | Renovated or modern resale | May qualify with some banks, depending on their internal policy |
| E-G | Older, unrenovated property | Unlikely to trigger any energy-linked terms |
What a UK buyer should check before relying on this
Because policies vary so widely, we treat any mention of energy-linked conditions as something to confirm bank by bank, never as a general feature of the Spanish market. When we compare lenders for a client, we ask directly whether the energy certificate plays any role in their assessment, and we get the answer in writing before the client chooses which bank to go with.
Beyond the mortgage itself, buyers from the United Kingdom should keep in mind the practicalities that apply to any Spanish purchase, energy-efficient or not: Spain and the United Kingdom have a double taxation agreement, and a local tax adviser should confirm how rental income or any gain from the property must be declared, including to HMRC. As a non-resident owner you will also file an annual Modelo 210 tax return in Spain.
- Ask each bank directly whether the energy certificate affects its assessment; do not assume it applies across the market
- Request any energy-linked offer in writing before relying on it
- Keep your UK income documents ready: P60, payslips, Self Assessment return, bank statements and details of existing loans
- Remember the United Kingdom is no longer an EU member, so stays without a visa are limited to 90 days in any 180
- Budget for exchange-rate movement between sterling and the euro when transferring funds for the purchase
The Spanish Golden Visa ended on 3 April 2025 and buying a property, energy-efficient or not, no longer leads to that residence route.
If you live in the United Kingdom
Spain is a relatively short flight away from most UK airports, making regular visits to a Spanish property straightforward for owners based in Britain. Many British buyers are drawn to Spain for its climate, coastal lifestyle and established expatriate communities. One practical point to bear in mind is that Spanish inheritance law differs from UK rules, so it is worth taking specific advice on how it may affect the property and one's estate. Currency movements between sterling and the euro can also affect the overall cost of purchase and ongoing expenses.
What a Spanish bank will usually ask you for
- Proof of income: recent P60 and payslips
- Last filed UK tax return (Self Assessment)
- Bank statements from the last three to six months
- Evidence of existing loans or mortgage commitments
- Valid passport or UK national identity document
Tax at home and in Spain
Spain and the United Kingdom have a double taxation agreement in place, and a local tax adviser should confirm how rental income or gains from Spanish property must be declared and reported to HMRC.
Staying in Spain
As the United Kingdom is no longer an EU member state, British citizens may stay in Spain for up to 90 days in any 180-day period without a visa, and must apply for a visa or residence permit for longer stays.
Since the United Kingdom uses the pound sterling (GBP) rather than the euro, buyers should factor in exchange-rate movements and currency conversion costs when paying for a property or transferring funds to Spain.
Frequently asked questions
Will an A-rated new build automatically get me a better mortgage in Spain?
No. A good energy rating can be a positive factor for some banks, but it does not replace the standard assessment of your income, existing debts and deposit. The exact weight given to the certificate, if any, depends entirely on the lender you apply to.
Do all Spanish banks offer 'green' mortgage conditions?
No. Only some banks build the energy certificate into their lending criteria, and the way they do it varies. Others treat the certificate purely as the legal document it is required to be, with no effect on the terms they offer.
I'm buying a resale flat with an older energy rating. Does that rule out a mortgage?
No, an older rating does not stop you getting a mortgage. It may simply mean the property does not qualify for any energy-linked terms a particular bank offers. The bank will still assess the file on income, deposit and the property's valuation as usual.
Which UK documents will a Spanish bank ask for, regardless of the property's energy rating?
Typically your P60 and recent payslips, your last filed Self Assessment tax return, bank statements from the last three to six months, details of any existing loans, and a valid passport. The exact list can vary by bank.
Does the double taxation agreement cover how I declare Spanish property income back home?
The agreement between Spain and the United Kingdom prevents being taxed twice on the same income, but it does not remove the need to declare. A tax adviser should confirm exactly how rental income or any gain must be reported in Spain and to HMRC.