Who has to sign the lease when a flat has more than one owner?

Ideally, everyone who owns a share. When a flat is co-owned, whether by siblings who inherited it, a separated couple or two friends who bought together, each owner holds a percentage (a quota) and nobody owns any particular room. Catalan law lets owners holding a majority of those shares agree routine decisions, but the safest lease for you is one that every owner has signed, or that names a representative holding a written power of attorney from those who can't come.

Usufruct works differently. One person, the usufructuario, has the right to use the flat and collect its rent, often for life, while others own the nuda propiedad (the bare title) and only get full ownership when the usufruct ends. Both kinds of right appear on the flat's Land Registry record, so you can find out which one you're dealing with before you sign.

Who should sign, by type of ownership (Catalan Civil Code arts. 552-7 and 561-9; LAU art. 13.2, as in force November 2026)
Who owns the flatWho should signMain risk if they don't
One ownerThe owner, or an agent with their written authorityNone specific to ownership
Co-owners (e.g. siblings, 33% each)All of them, or a majority of the shares plus proof of the others' agreementDisputed lease; a co-owner who didn't agree may challenge it
Usufructuary + bare ownersThe usufructuary, and the bare owners as wellLease ends when the usufruct ends, usually on the usufructuary's death
Heirs before the estate is dividedEvery heir, or whoever the will or all heirs appointUnclear who can bind the estate; delays over deposit and repairs

Can one co-owner rent out an inherited flat on their own?

Not on their own say-so, unless they hold most of the shares or the others agree. Article 552-7 of the Catalan Civil Code sets three thresholds for co-owners: ordinary management needs a majority of the shares by value, extraordinary management needs three-quarters, and disposing of the property needs everyone. Spanish courts have generally treated an ordinary lease at market rent as management, not disposal. A very long lease or a suspiciously low rent may not count as ordinary, though, and that's where disputes start.

So if one of three siblings, holding a third of the flat, signs with you behind the others' backs, the lease stands on weak ground. The siblings who weren't asked can go to court, and you end up in the middle of a family row about a home you're paying for. With two siblings on 50% each, neither one has a majority, so in practice you need both.

If one sibling lives abroad and can't sign in Barcelona, they can give the other a poder notarial (power of attorney) at a notary or a Spanish consulate. Ask for a copy and check it covers letting the flat.

What is a usufruct, and why should a tenant care?

A usufruct (usufructo, usdefruit in Catalan) is the right to use someone else's property and keep what it earns, including the rent. It's common in Barcelona because of how Catalan inheritance works. Under article 442-3 of the Catalan Civil Code, when someone dies without a will and leaves children, the surviving spouse or stable partner gets a lifetime usufruct over the whole estate, while the children inherit the bare title. Many wills set up the same arrangement on purpose.

For a person, a usufruct lasts for life unless the deed says otherwise (article 561-3.3). That's the catch for tenants: the person renting you the flat may be in their eighties, legally entitled to let it, and still unable to promise you five years.

What happens to your lease if the usufructuary dies?

It can end, even in its first year. Article 13.2 of the Ley de Arrendamientos Urbanos says leases granted by a usufructuary (or anyone with a similar right of use) end when that right ends, on top of the other ways a lease can end. Catalan law agrees: article 561-9.3 of the Civil Code says contracts made by usufructuaries end when the usufruct does. The five-year minimum in article 9 protects you against a landlord who wants you out early. It doesn't give the usufructuary more time than the usufruct itself.

In practice the bare owners, now full owners, choose. They can tell you the lease is over and ask for the keys, or keep you on. If they keep taking your rent, ask them to sign a new contract or a written confirmation that the old one continues, so you aren't left on an informal arrangement. The law sets no specific notice period for this, so if you're asked to leave, talk to a tenants' union such as the Sindicat de Llogateres or a lawyer before you agree a date.

This is a different situation from an owner dying. When the full owner dies, their heirs step into the lease and must respect it; our guide to what happens when your landlord dies covers that case.

How do you find out who owns the flat before you sign?

Order a nota simple. It costs €9.02 plus VAT from the Colegio de Registradores' online service, anyone can request one, and it usually arrives within a day. Read the ownership section for these words:

  • Pleno dominio: full ownership. If several names appear, each with a percentage, the flat is co-owned and each of them should sign.
  • Usufructo: this person has the usufruct. Note whether it says vitalicio (for life).
  • Nuda propiedad: these people own the bare title and will take over when the usufruct ends.
  • No recent entry after a death: the heirs may not have registered their inheritance yet. Ask the agent who is signing and on what authority.

Then compare the names with the people on your draft contract. Our nota simple guide shows how to order one and what else to check.

How can you protect yourself before signing?

Get the right signatures on the contract itself. A verbal "my brother's fine with it" counts for nothing later.

  1. Match the contract to the nota simple. Every owner listed should appear as a landlord, or the person signing should show a power of attorney from the ones who don't.
  2. With a usufruct, ask the bare owners to sign too. If they sign as parties to the lease, they're bound by it as well. It doesn't remove every risk, so if the lease matters a lot to you, check the wording with a lawyer before you sign.
  3. If an agency signs, ask to see its mandate. The agency should hold written authority from the owners, and you can ask which owners gave it.
  4. Check where the rent goes. The contract should name one bank account. Pay only into that account unless all the landlords tell you otherwise in writing.
  5. Make sure the deposit is lodged. In Catalonia the landlord must lodge your fianza with Incasòl, however many landlords there are. Our deposit guide explains how to check.

What if the co-owners fall out after you move in?

Keep paying rent exactly as the contract says, and keep the receipts. Under article 552-6.2 of the Catalan Civil Code, rent belongs to the co-owners in proportion to their shares, and a co-owner who collects it all has to account to the others. That's their problem to settle, not yours. If one owner asks you to start paying them directly, ask for the instruction in writing, signed by all of them. Pay a single owner and the others could still claim you haven't paid.

If they argue over repairs, report the problem in writing to every landlord named in the contract. If the dispute ends in a court-ordered sale of the flat, the rules for sales apply, and our guide to what happens when your landlord sells explains how much of your lease a buyer must respect.

How Llavai helps

None of this matters until you've found the flat. Llavai watches the main Barcelona rental portals, scores every new agency listing against your brief (budget, neighbourhoods, bedrooms) and puts the best ones first, with the agent's number one tap away. You can call before the queue forms and ask who owns the flat while there's still time to check. Set up your search in a couple of minutes. If you'd rather not make the call yourself, Julia can make it in Spanish on the Pro plan.