Bought your new home before selling the old one? Here’s what it could mean for your tax bill.
By Carlos Baos (Lawyer) • Published: 09 Jul 2026 • 9:00 • 2 minutes read
What happens if you buy your new home before selling the current one? Credit: fizkes/Shutterstock
It’s a situation many homeowners in Spain find themselves in. You’ve found the perfect new place, but your current home hasn’t sold yet. So, you take out a mortgage, buy the new property, and hope the sale goes through before too long. It’s a practical solution to a very common problem. But it can also leave people wondering whether they’ve just given up a valuable tax break in the process.
The tax break in question is the exemption that would normally apply when you sell your main home in Spain and reinvest the proceeds into a new one. Many people assume this only works one way round: sell first, then buy. But that’s not quite how it works. As it is possible, under Spanish Tax Law, to sell first, buy later; and still use this tax benefit.
A recent binding ruling from the Spanish Tax Authorities looked at exactly this kind of case. Someone bought a new main home using a mortgage, then sold their previous one a few months later. Rather than using the sale proceeds to buy the new property directly, they used the money to pay off the mortgage they’d just taken out. Would that still count as reinvestment?
The Tax Authorities seem to think it could. Their reasoning is fairly simple, even if the underlying tax rules are not. Money, they note, doesn’t have a label on it. It would appear that what matters is not whether the exact euros from the sale physically moved into the new purchase, but whether an equivalent amount was reinvested within the two-year window the law allows, whether before or after the sale. This interpretation lines up with a Spanish High Court ruling from a few years back, which also accepted that financing part of the new purchase with borrowed money shouldn’t automatically rule out the exemption.
Of course, every case is different, and this sort of ruling doesn’t remove the need to plan the numbers carefully. Timing, proportions, and how the main home requirement is met can all affect the outcome. If you’re thinking about buying a new main home, before selling you current one, or you’ve already done so and aren’t sure where you stand, it might be worth having someone take a proper look at your situation before assuming the worst. At White-Baos Lawyers we have been advising our clients in these types of situations for almost two decades. Reach out to us today.
You may be interested in the following services and articles:
Real Estate Income Taxation in Spain. Capital Gains and Losses. Special cases. Expert Legal Advice.
Carlos Baos (Lawyer)
White & Baos.
Tel: +34 966 426 185
E-mail: info@white-baos.com
White & Baos 2026 – All Rights Reserved.
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Carlos Baos (Lawyer)
Lawyer Carlos Baos has been advising on variety of expat-related legal issues for years and weekly column offers free weekly insights.
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