Hidden Costs of Buying Property in Spain: 12 Traps Foreign Buyers Fall Into

Plusvalía Municipal (formally IIVTNU – Impuesto sobre el Incremento de Valor de los Terrenos de Naturaleza Urbana) is legally the seller's tax. Article 106 of Real Decreto Legislativo 2/2004 establishes that in property sales, the seller is the obligated taxpayer.

But sellers routinely insert contract clauses shifting this liability to you.

The standard wording appears in Spanish: a clause stating the buyer assumes all taxes and charges. Foreign buyers rarely spot it because it sits within dense legal text, often phrased as "todos los gastos e impuestos serán por cuenta del comprador" (all expenses and taxes are for the buyer's account).

You sign without realising you've just agreed to pay a tax that Spanish law never intended you to pay.

There is one legal exception: Article 106.2 states that when the seller is a non-resident individual in Spain, the buyer becomes the 'sustituto del contribuyente' (substitute taxpayer) and must pay the tax directly to the municipality. But this applies only to non-resident sellers – not the standard situation where a Spanish resident sells to a foreign buyer.

Watch for any clause that assigns taxes beyond the standard legal allocation. The safe wording is 'gastos según ley' (expenses according to law), which assigns each party their legal responsibilities without shifting the seller's obligations onto you.

Check your contract before signing the arras deposit agreement. Once signed, that clause binds you. If the seller is a Spanish resident and the contract states you'll pay plusvalía, you're paying a tax that wasn't yours to pay.

You'll see "gastos según ley" in many Spanish property contracts. It translates as "expenses according to law" and sounds reassuringly neutral. The problem? Spanish property law doesn't always clearly define which party pays what, and in disputed areas, this vague clause becomes a weapon against you at completion.

Under Spanish Civil Code Article 1455, the seller traditionally pays notary fees for the original deed while the buyer pays for copies. But actual practice varies wildly by region and transaction type. When your contract simply says "gastos según ley," you're left arguing over interpretation when unexpected bills appear.

Under Article 64 TRLRHL, IBI debt attaches to the property itself for the current year and the prior year — meaning if the seller doesn't pay, the town hall can come after the property regardless of what your contract says about who pays what. Buyers regularly inherit community arrears at completion when contracts say only "gastos según ley". Reported cases involve €3,000-€5,000 in arrears caught at the last moment, where the seller argues the vague clause shifts liability to the buyer. The dispute can delay completion by weeks while lawyers fight over interpretation.

Registration fees present similar ambiguity. While buyers typically pay Land Registry fees (€300-€600 for most residential properties), nothing in statute mandates this. If your contract doesn't name the party responsible, you're negotiating at the worst possible moment—when both parties are committed and tempers run high.

The solution is brutally simple: reject "gastos según ley" entirely. Your contract should list every foreseeable cost with the named party responsible beside it—notary fees (buyer), plusvalía municipal (seller unless non-resident), Land Registry fees (buyer), community arrears if any (seller clears before completion), mortgage cancellation (seller).

Leave nothing to interpretation or custom. What sounds neutral now becomes expensive ambiguity later.

The nota simple is an informative extract from the Registro de la Propiedad (Land Registry) that reveals critical property information: current ownership, mortgages, embargos, liens, and restrictions. It costs approximately €9.02 to request online via the Colegio de Registradores website.

Most foreign buyers sign arras contracts without requesting one. This is high-risk territory.

An embargo is a legal seizure or lien placed on property by court order or tax authority for unpaid debts. It appears on the nota simple. Types include judicial embargos for creditor claims, tax embargos from AEAT or municipal debts, and community fees embargos.

Undisclosed mortgages are another common discovery. The pattern: a buyer signs arras on a property assumed to be unencumbered, the lawyer pulls the nota simple later, and an old hipoteca surfaces. If the seller can't or won't cancel it before completion, the buyer often forfeits the deposit under arras confirmatorias terms — typically 10% of the purchase price.

The nota simple shows whether a property is 'libre de cargas' (free of charges). Sellers are typically required to cancel embargos before completion using sale proceeds, but buyers who don't verify this beforehand can inherit the problem.

While the nota simple isn't legally binding like a full certification, it's essential due diligence. It's available in English, but interpreting the legal terminology requires expertise.

PropDue Legal Review (€79) retrieves the nota simple from the Land Registry and summarises in plain English what the document records — ownership, registered charges, embargos — so you see the registry's content before you sign arras. It does not constitute legal advice; for representation through the purchase, you'll need a Spanish lawyer.

Properties classified as fuera de ordenación are constructions that don't comply with current urban planning regulations. This status creates two serious problems: you cannot legally carry out renovations beyond basic conservation and safety repairs, and obtaining property insurance becomes difficult or impossible.

The classification arises in two ways. First, properties built legally under old planning rules that subsequently changed. Second, illegal constructions where the enforcement period has expired—typically six years or more under Andalusian law. Article 28.4 of the Texto Refundido Ley del Suelo allows these properties to be registered in the Land Registry if demolition orders have prescribed, but registration doesn't mean the illegality is erased.

An AFO certificate (Asimilado Fuera de Ordenación) recognizes the status and permits basic utilities and Land Registry access, but critically does not legalize the construction. The limitation is stark: only conservation and safety repairs are permitted. No extensions, no material alterations, no improvements that increase the property's volume or change its use.

Infracciones urbanísticas—planning violations—frequently involve illegal extensions like extra rooms, enclosed terraces, or unauthorised pools. Buyers regularly find that terraces, pool houses, or extra rooms were added without licence. Without regularisation, you can't insure the property properly and can't legally extend or renovate beyond basic conservation work. Sellers and agents rarely volunteer this information; it surfaces only when a buyer's lawyer requests the certificado de situación urbanística from the ayuntamiento.

Before signing any contract, request a certificate of urban status (certificado de situación urbanística) from the local ayuntamiento. This document confirms whether the property complies with current planning regulations or carries any planning violations. Your lawyer should verify this matches the physical reality of the property during site inspection. Don't rely on the seller's verbal assurances or estate agent claims that "it's been like this for years so it's fine." It isn't.

Estate agents quote 8-10% buying costs. The real figure for foreign buyers is 11-13% on top of the purchase price.

The gap comes from costs that online guides downplay or omit entirely. ITP (transfer tax) alone runs 6-10% depending on region. Then add AJD on the deed at 0.75-1.5%, notary fees around €600-€2,000, Land Registry fees €300-€600, and your lawyer fee—typically 1% of purchase price plus 21% VAT.

Foreign buyers often miss setup costs: NIE application, bank account opening, utility connections, community fee deposits. These add another €500-€1,500.

Buyers who budget 8% based on early agent estimates regularly arrive at completion short on funds. On a €300,000 Valencia purchase, the actual figure is closer to €38,000-€40,000 — not €24,000. The notary won't complete if funds are insufficient, and last-minute scrambling for €15,000+ in transferred funds can delay or collapse the deal.

Regional variations make blanket percentages unreliable. Madrid charges 6% ITP plus 0.75% AJD. Catalonia hits 10% ITP plus 1.5% AJD. Valencia drops to 9% ITP from June 2026 for properties under €1 million, but AJD stays at 1.5%.

Foreign buyers in competitive markets often waive financing conditions to secure properties. Without accurate cost projections, this creates serious exposure.

Use the PropDue Cost Calculator (free) before making offers. It calculates exact costs for your region and property value, factoring in regional ITP, AJD on the deed, notary, registry, and lawyer fees. For the full breakdown of every cost line item, see our True Cost of Buying Property in Spain guide.

The estate agent introduces you to "our lawyer" who "handles all our transactions." The seller's agent recommends "a great abogado who knows this development." Both scenarios present the same fundamental problem: conflict of interest.

A lawyer recommended by the seller's side cannot provide independent representation. Their commercial relationship—often including referral fees or regular repeat business—creates divided loyalties. Your abogado must owe a duty of care exclusively to you, not to the party selling the property or earning commission from the sale.

The risk is documented: lawyers recommended by the seller's side may have undisclosed referral arrangements with the agent. The conflict often becomes visible only after completion, when planning issues, community debts, or other red flags that should have surfaced during due diligence quietly didn't.

Independent lawyers verify what seller-side lawyers may overlook or minimize: nota simple checks revealing embargoes, illegal construction status (fuera de ordenación), unpaid IBI debts that transfer automatically to buyers, and community fee arrears. They also ensure contract clauses like "gastos según ley" protect you from unfair cost allocation.

Legal fees typically run 1% of purchase price plus 21% VAT—€1,000-€3,000 for straightforward transactions. That investment buys genuine independent advice and someone legally obligated to prioritize your interests alone. Insist on a lawyer with no commercial connection to the seller, agent, or developer. This is not optional.

PropDue provides the nota simple plain-English summary so you arrive at your chosen lawyer with the registry facts already understood — saving them time and you money on initial due diligence.

A poder notarial (notarised power of attorney) allows someone to act on your behalf when you cannot be present in Spain. Remote buyers use it for NIE applications, signing contracts, and completing purchases at the notary.

The critical error is granting a general power of attorney. This gives the holder unlimited authority over all your affairs in Spain—not just the property purchase. They can sign contracts, open bank accounts, take on debt, or sell assets without further consent from you.

Cases have been reported of holders of broad poderes opening bank accounts, taking out loans, or executing transactions the principal never authorised. The buyer often only discovers the issue months later — when a bank contacts them about missed payments, or when a charge appears on the nota simple they didn't sign for.

Always limit the powers to the specific transaction. A poder especial should identify the exact property by reference number, list only the actions needed (signing the arras contract, signing the escritura pública, paying taxes, registering at the Land Registry), and include an expiry date.

The poder notarial must be granted before a notary. If you sign it in your home country, it requires an Apostille under the Hague Convention before it is valid in Spain. Your Spanish lawyer should draft the precise scope—never accept a template general power from a seller's agent or gestor.

Review the document carefully before signing. Once notarised, it becomes a powerful legal instrument. Revoke it immediately after completion to prevent future misuse.

Spanish mortgage lenders don't require a structural survey. They commission only a tasación—a market valuation to protect their loan-to-value ratio. That valuation tells them what the property is worth, not whether it's falling apart. The difference matters enormously when you're buying an older property.

A structural survey costs €300-€700 and examines what you can't see: foundation stability, load-bearing walls, roof structure, and hidden defects. On the Costa Blanca particularly, older properties suffer from three common problems that a tasación won't flag.

First, termites. Timber structural elements in properties built before modern treatment standards can be severely compromised. Surface damage may look minor while internal timber is hollowed out.

Second, humidity and damp. Coastal properties face constant moisture exposure. Rising damp, penetrating damp from inadequate waterproofing, and condensation issues often hide behind fresh paint applied specifically for sale. Left unchecked, damp causes structural concrete decay—the steel reinforcement corrodes, expands, and cracks the concrete from inside.

Third, asbestos. Properties built before 2002 commonly contain asbestos in roof sheets, water tanks, and insulation. If you plan renovation work that disturbs asbestos-containing materials, removal must be carried out by a company registered in the Registro de Empresas con Riesgo de Amianto (RERA) under RD 396/2006. Costs typically run €5,000-€15,000 depending on quantity and access.

Your Spanish lawyer can't assess structural condition. The notary won't check it. The seller has no legal obligation to disclose defects unless directly asked. A structural survey is your only protection, and at under €700, it's the cheapest risk mitigation available.

When you buy Spanish property, you can inherit the previous owner's debts. Two categories matter most: unpaid IBI (municipal property tax) and outstanding community fees owed to the comunidad de propietores.

Under Article 64 TRLRHL, IBI debt attaches to the property itself ("afección real") for the current year and the immediately prior year. The town hall pursues the seller first, but if collection fails, they can come after the property — meaning the new owner. Your notary is legally required to flag any pending IBI debts at signing.

For unpaid IBI older than that, the four-year statute of limitations applies. The ayuntamiento generally pursues the seller, but older unpaid amounts can still surface as registered embargoes against the property.

Community fees from the comunidad de propietarios also transfer to the new owner. These debts follow the property under horizontal property law, regardless of who ran them up.

The fix is straightforward: before completion, demand a certificado de estar al corriente from the seller for both IBI and community fees. This certificate confirms all payments are current. For IBI specifically, request certificates covering the last four years from the local ayuntamiento.

Your lawyer should verify these certificates as part of standard due diligence. If the seller refuses or delays providing them, that's a red flag. Don't complete without them—you're not just buying a property, you're buying its entire financial history.

Ley 38/1999 requires developers to guarantee all stage payments through bank guarantee or insurance policy. The protection sounds comprehensive, but there's a critical gap most buyers miss.

The individual aval policy only applies to payments made after the licencia de edificación (building licence) is granted. Any deposit paid before that point has no legal guarantee under the law.

This creates a dangerous window where your money sits unprotected. Developers often request reservation deposits or early stage payments before securing the building licence. If the project collapses during this period, you're an unsecured creditor competing with banks and contractors.

The Supreme Court clarified the position in STS 322/2015 and STS 733/2015. These rulings established that Law 38/1999 protection is conditional on the building licence existing when payments are made. No licence at payment date means no statutory protection, regardless of what the developer promised.

Off-plan buyers who paid before the licencia de edificación was issued and saw the project collapse have recovered only fractions through litigation, sometimes after years. Developers may show impressive brochures, design plans, and earlier-stage planning permissions, but those don't trigger the Ley 38/1999 guarantee. Only the licencia de edificación itself activates the legal protection.

Before transferring any money for off-plan property, verify the licencia de edificación exists. Request a copy. Confirm with your lawyer that the licence is valid and covers the specific units being sold. Only then does the guarantee mechanism protect you.

If the developer pressures you to pay before the licence is granted, that's the point to walk away.

Most foreign buyers assume that when they purchase a penthouse with a private terrace, they own that terrace outright. This confusion between ownership and use rights causes nasty disputes when structural problems emerge.

Spanish property law distinguishes between uso privativo (exclusive private use), uso comunitario (shared community use), and a hybrid category that catches buyers off guard: elemento común de uso privativo — a common element that only you can use, but which the community owns.

Roof terraces (azoteas), patios, and many private terraces fall into this category. Article 396 of the Civil Code lists terraces as common elements by default. The Ley de Propiedad Horizontal allows exclusive use rights to be assigned in the título constitutivo or by unanimous community agreement, but this grants use only — not ownership.

The distinction becomes expensive when waterproofing fails. You're responsible for ordinary maintenance: cleaning, sweeping, replacing tiles. But structural repairs — the forjado (load-bearing structure) and structural waterproofing — fall to the comunidad under Article 396.

Penthouse buyers regularly assume "uso privativo" on the deed means they own the azotea outright. They don't. When waterproofing fails — typically years 5-15 after build — the comunidad pays for the structural membrane (often €8,000-€15,000), and the owner pays for surface damage and any decorative elements. Disputes erupt when neither party knew where the line falls.

Check your escritura carefully. Does it state you own the terrace (unusual and valuable) or merely have uso privativo (common and limited)? If it's an elemento común, understand you cannot enclose it, build on it, or refuse the community access for structural repairs without community permission — typically requiring 3/5 majority or even unanimity for título constitutivo alterations.

The confusion cuts both ways: communities sometimes demand users pay for structural work that's legally the community's burden. Know your rights before you write the cheque.

Spain uses three types of arras deposit contracts, each with radically different consequences if you need to withdraw.

Arras penitenciales allow either party to exit. If you withdraw as buyer, you lose your deposit (typically 10%). If the seller withdraws, they must return double your deposit. Article 1454 of the Civil Code governs this type, but the Supreme Court has been consistent: arras are presumed confirmatorias unless the contract uses unambiguous language showing the parties intended a withdrawal right (penitenciales). Vague or generic "arras" wording defaults to confirmatorias — binding.

Arras confirmatorias are the default if the contract doesn't specify otherwise. This is a binding deposit on account with no withdrawal right for either party. If you back out, the seller can take you to court for full contract enforcement or damages—not just keep your 10%. If the seller backs out, you sue for damages or specific performance.

Arras penales combine a penalty clause with the right to demand contract performance. You pay the penalty and can still be forced to complete—the worst outcome for buyers.

The trap happens during compressed viewing trips. You see a property on Saturday, the agent presents a "standard" arras contract on Sunday before your flight, and you sign to secure the property. Most contracts don't specify the type or reference Article 1454. You've just signed arras confirmatorias without realising you have no exit route.

The solution: never sign any arras contract without legal review before signing. Insist on explicit Article 1454 wording if you want the ability to withdraw. Don't let agents rush you during a viewing weekend.

Before signing any arras, have your independent Spanish lawyer review the contract type and withdrawal terms. PropDue's Legal Review does not cover contract drafting or review — it focuses solely on the registry record (nota simple) so you know what you're buying before the lawyer starts on contracts.

Three steps stand between you and serious trouble.

First, use the PropDue Cost Calculator before you view anything. It's free, it models the real numbers—ITP rates, notary fees, registry costs, lawyer fees—and it stops you wasting time on properties you can't actually afford. Total purchase costs run 10-15% above the asking price. Work that out before you fall in love with a terrace.

Second, get a PropDue Legal Review (€79) before you sign arras. The arras is the binding deposit contract — under arras confirmatorias (the default if not specified otherwise), you commit the moment you sign. The review retrieves and summarises in plain English what the nota simple records about the property — ownership, registered charges, embargos, and any noted planning status. It is not legal advice and does not replace your lawyer. Walking away after signing arras costs you the entire deposit, or forces you into court.

Third, hire an independent bilingual lawyer from arras to completion. Not the seller's lawyer. Not the agent's recommendation. Your own. Budget 1% of the purchase price plus 21% VAT. They verify the contract assigns costs correctly ('gastos según ley'), coordinate notary and registry filings, handle your NIE if needed, and ensure you don't inherit community debts or embargoes.

No agent, no seller, no mate who bought in Marbella ten years ago can substitute for these three steps.

Order your PropDue Legal Review (€79) before you sign anything binding.