Land & buildability analysis — what your plot's classification (urban, rustic, non-developable) actually allows for building or extending

Legal status check — comparing what's really built on the property against what's officially registered with the town hall

AFO processing (Declaración de Asimilado a Fuera de Ordenación) — a legal status that recognises existing construction which doesn't fully comply with current planning rules, without requiring demolition

An honest first assessment — a clear answer on what can, and can't, be regularised, before you spend money on a process that might not apply to your case

Full liaison with the town hall on your behalf — paperwork, submissions and follow-up handled in Spanish, so you don't have to