Renting in Spain: what the LAU fixes, and what varies

The LAU's consolidated text on the BOE keeps the deposit rule short: the fianza is obligatory in both residential and other urban leases, set at one month's rent for a residential tenancy and two for non-residential use. The same framework lets autonomous communities with housing competences require the fianza to be lodged with their public body — which is why a Barcelona landlord talks about INCASOL and a Madrid one about the Agencia de Vivienda Social, while the tenant-facing arithmetic stays the same month.

Non-payment of the fianza or its update is listed among the grounds a landlord can terminate on — the deposit is a legal element of the contract, not a custom.

Source: BOE, Ley 29/1994 de Arrendamientos Urbanos — texto consolidado, read 4 September 2026.

Above the legal fianza, Spanish landlords commonly ask for additional guarantees — extra months, a bank guarantee, or proof of income — and the LAU permits agreed additional security within its limits. A newcomer without Spanish payslips is exactly who gets asked, so the practical file is: passport/NIE (our NIE guide covers that number), proof of income or funds, and sometimes a Spanish bank account for the standing order.

Tenant-rights questions beyond the deposit — duration, renewals, updates — live in the same consolidated law, and the honest note for anything contested is that Spanish tenancy disputes are legal matters for a Spanish professional; this page describes what the published text fixes, not how a courtroom weighs an edge case.

The lease feeds the empadronamiento — municipal registration — which in turn threads through residency paperwork, healthcare access and the eventual renewal file. For the residence permit itself Spain's insurance rule is its own subject, documented on the Spain hub from the cited sources. The arrival sequence, printable:

Print the moving checklist