How the money actually flows
A resale purchase is one transaction: you complete, the bank releases the loan, you own the property. Off-plan is not like that.
You reserve, then sign a private purchase contract with the developer, then pay staged amounts during construction — on signing, at agreed build milestones, and so on — with the balance due at completion, which may be eighteen months to three years away. The mortgage covers only that final balance. The staged payments come entirely from your own cash.
That has an immediate budgeting consequence. On a resale you need your deposit and costs on one day. Off-plan you need a sequence of payments over years, and the mortgage does not help with any of them.
The protection you must not waive
Spanish law requires a developer to protect the amounts you pay before completion, through a bank guarantee or an insurance policy, held so that your money is returned if the development is not delivered.
This is the single most important document in an off-plan purchase, and it is worth being concrete about it: ask to see the guarantee, for your specific payments, and have your lawyer confirm it is in force and covers what you have paid. Not a clause in the contract promising one will be issued. The document itself.
Why this matters more than it sounds. Spain has been here before. Developments that stalled in earlier downturns left buyers who had paid substantial sums pursuing developers who no longer existed. The guarantee regime exists because of that history. A developer who is slow to produce the paperwork is telling you something.
Why you cannot lock a rate now
Buyers frequently want to arrange the mortgage when they sign the contract, which is understandable and not possible. Mortgage offers have validity periods measured in months, not years. A lender will not commit today to lending on a building that does not exist yet, at a rate set against conditions two years out.
What you can and should do is establish what you would qualify for, on current criteria, before you commit a single staged payment. That tells you whether the completion balance is realistically fundable. Doing it the other way round — paying for two years and then discovering the mortgage will not stretch — is the failure mode this whole article exists to prevent.
The formal application happens as completion approaches, typically a few months out, on whatever criteria and pricing apply then.
The valuation, two years later
Your price was fixed when you signed. The bank's valuation happens near completion. If values have risen, you are comfortable. If they have not, or the development delivered into a softer market, the valuation can come in below a price agreed in different conditions.
The bank lends its percentage of the valuation, not of your contract price, so the shortfall is yours in cash — at the end, when you have already paid the staged amounts. This is the structural risk of off-plan and it cannot be eliminated, only anticipated. Keep headroom.
Subrogation: the developer's bank
Developers finance construction with a loan secured on the whole development, and at completion they will usually offer to subrogate a portion of it to you — you take over a slice of the existing mortgage rather than arranging a new one.
It is convenient. The valuation may already be done, the paperwork is lighter, and some costs are lower. It is sometimes genuinely competitive.
But it is one offer, not the market, and it is the offer of the bank that financed the developer rather than the bank that best fits you. The margin, the term and the conditions were negotiated by someone whose interests are not yours. Compare it against what else is available before accepting. You are entitled to, and a developer who pressures you otherwise is worth being sceptical about.
The tax difference
New build carries a heavier tax load than resale. Instead of 7% transfer tax in Andalucía you pay 10% VAT plus 1.2% stamp duty — 11.2%. With notary, registry, legal fees and the valuation on top, budget 12–14% of the price in costs, against 9–11% on a resale. On staged payments the VAT is generally charged as you go rather than all at completion, which is worth building into the cash-flow plan.
A workable sequence
- Get an assessment of what you could borrow before reserving anything.
- Have a lawyer review the contract and confirm the bank guarantee is real and in force.
- Plan the staged payments as a cash-flow schedule, not a single number.
- Keep a reserve for a completion valuation that lands under the contract price.
- Start the mortgage application a few months before delivery.
- Compare the developer's subrogation offer against the open market before you accept it.
Want this checked against your own situation?
We are independent credit intermediaries in Málaga. Tell us where you stand and we will come back with what is realistically available from several Spanish banks, usually within one working day. You pay us nothing — the lender pays our commission on completion.