Current-loan diagnosis
We read the balance, remaining term, rate, fees and linked products before calculating whether there is a real opportunity.
Mortgage switching · Spain
We compare your current Spanish mortgage with a lender switch or renegotiation, including fees, insurance, linked products and the time needed to recover switching costs.
No initial assessment fee · Remote support · Bank of Spain register E760

Straight answer
In Spain, an existing mortgage may be improved through a renegotiation with the current lender, a subrogation to another lender or, in some cases, a new replacement loan. The right route depends on the remaining balance and term, current deed, compensation clauses, new offer and all linked costs—not only the nominal interest rate.
Last reviewed: · Rafael, founder of RCG Finance and former debt and M&A advisor at KPMG and PwC · mortgage intermediary registered with the Bank of Spain (E760).
How we help
We prepare one coherent case, compare viable lenders and explain conditions in plain English before you make a decision.
We read the balance, remaining term, rate, fees and linked products before calculating whether there is a real opportunity.
We hold the term constant where appropriate and compare monthly payment, switching costs and total remaining expense.
We assess whether a current-lender negotiation or external lender switch is the more practical route for the case.
Your case
Extending the term can lower the monthly payment while increasing the total amount paid. Mandatory or discounted insurance can also offset part of the interest saving. Every comparison should show both cash flow and total cost.
The legal and fee position depends on the mortgage deed, dates and type of rate. We ask for the actual documents and avoid applying one generic switching-cost assumption to every case.
If the saving is positive, the break-even period matters. A switch that takes many years to recover may be unattractive if you expect to sell or repay early.
Frequently asked questions
It is the transfer of an existing mortgage loan to another lender, usually to modify financial conditions. Legal steps, fees and the current lender response need to be considered.
No. Compare the remaining term, monthly payment, fees, compensation, valuation, insurance and other linked products, then calculate the break-even point.
Potentially, yes. Eligibility depends on the current loan, income, residence, property and lender appetite at the time of the application.
It can be efficient, but an external comparison gives the negotiation context. We assess both routes rather than assuming one is always better.
Who we are
RCG Finance is the trading name of RCG 2026 S.L., a mortgage broker registered with the Bank of Spain as a real-estate credit intermediary (no. E760) and based in Salou, Tarragona. We prepare mortgage applications in English and Spanish for buyers anywhere in Spain, compare lenders and negotiate on your behalf. We do not lend, we are not tied to any bank or exclusive to any, and we only charge if we get your mortgage.
Guides and service pages are reviewed by Rafael, founder of RCG Finance (former debt and M&A advisor at KPMG and PwC).
RCG Finance (rcgfinance.es) is a Spanish mortgage broker and has no connection with other companies that use the RCG initials.
Your mortgage, properly prepared
Tell us where you live, what you plan to buy and how much cash you can contribute. We will review the case and explain the realistic next steps.
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