My home in Spain is AFO. What do I do now?
What if I told you, you couldn't sell your home and the value isn't what you think it is? If you're holding an AFO, this could be the case… find out today
AFO means your home is recognised by the council but still sits outside the zoning plan. It is not a legalisation. In practice it decides three things: whether you may rebuild after a fire or flood, whether your insurer pays the full cost if you do, and what a buyer is willing to pay once they know. The first step is to find out which of those apply to your property.
An estimated 300,000 to 500,000 homes in Andalusia hold AFO status, and roughly 200,000 more could still apply.
Check my AFO riskWhat AFO actually gives you, and what it does not
AFO recognises that the building exists. It does not make it legal. The home stays outside the zoning plan, which is why the restrictions that come with it are not paperwork problems, they are limits on what you are allowed to do with your own house.
Only essential maintenance is permitted. Renovating, extending or modernising the property is not.
Why this is becoming urgent now
Buyers are increasingly alerted to these risks by AI tools such as ChatGPT and Gemini. A buyer who would once have found out at the notary now finds out in the first ten minutes of research, before they ever call the agent.
The result is visible in the market. Homes are valued lower, buyers withdraw, and banks are increasingly refusing to finance this type of property. If that trend continues, only cash buyers remain, and only those willing to accept the risks themselves.
What you can do about it
Start by establishing where your property actually stands: what is registered, what was built, and whether the difference between the two is legalisable. That assessment is what a Legality Label is, and it is graded A1 to E by an architect who reads your documents. No algorithm assigns the grade.
Casas Unitas Plus membership is €89, paid once, covering twelve months. It opens the property forms, the document checks and access to the architects and lawyers who do this work. Nothing renews.
The four risks for an AFO homeowner
The home remains legally illegal
AFO recognises the building. It does not legalise it. The property stays outside the zoning plan, with everything that follows from that.
No guarantee of rebuilding
If damage exceeds 50% the property may be classified as a ruin, after which rebuilding is prohibited. A fire or a flood can end the house permanently.
Uncertain insurance coverage
Insurers often pay only a heavily depreciated current value, in some cases reduced by up to 50% because of the AFO status, rather than what rebuilding would actually cost.
Only essential maintenance is allowed
Repairs to keep the home habitable are permitted. Extending, rebuilding or materially improving it is not.
Find out which of these applies to your property
Answer a few questions about your home, then take it further with Plus membership at €89, paid once for twelve months.
Check my AFO riskQuestions AFO owners ask
Does AFO make my house legal?
No. AFO (Asimilado Fuera de Ordenación) recognises that the building exists. The property remains outside the zoning plan, is still legally irregular, and remains vulnerable to enforcement of the zoning rules. That distinction is what drives every other consequence: rebuilding rights, insurance payouts and resale value.
Can I rebuild an AFO property after a fire?
Not reliably. If damage exceeds 50% of the structure the property can be classified as a ruin, and once it is, rebuilding is prohibited. That is why the status matters even to someone with no intention of selling.
Will my insurance pay out on an AFO home?
Often not in full. Insurers frequently pay only a heavily depreciated current value rather than the cost of rebuilding, in some cases reduced by up to 50% because of the AFO status. Check what your policy actually promises to pay, not what you assume it covers.
Does AFO reduce what my house is worth?
It reduces what a buyer will pay and how easily you can find one. Value depends on demand, and demand falls when buyers can see the risk before they view the property. Banks refusing to finance these homes narrows the buyer pool further, to people paying cash and accepting the risk themselves.
What does Casas Unitas actually do for an AFO owner?
Plus membership, €89 paid once for twelve months, opens the property forms and connects you to independent architects and lawyers. An architect reviews your documents and issues a Legality Label graded A1 to E, which tells you exactly which of the AFO consequences apply to your property and what, if anything, can be resolved.
Is Casas Unitas connected to my estate agent or lawyer?
No. Casas Unitas is an independent platform for buyers and homeowners in Spain, not affiliated with estate agents, notaries or law firms. That independence is the point: the risks on this page are the ones nobody in the transaction is paid to raise with you.