You don't have to fly to Spain for every signature — but the paperwork that avoids it has its own rules

Buying in Spain means at least one trip to a notary, sometimes more. If you can't always be there in person — a work schedule, a short completion window, a flight that just doesn't line up — the whole purchase can start to feel like it depends on your diary rather than the deal.

It doesn't have to. Spanish law has a document built exactly for this: a power of attorney (poder) that lets someone else — a lawyer, a representative, even a trusted friend — sign in your place. The part that trips people up isn't whether it's possible. It's getting the document itself right.

The power of attorney has to be a notarial deed too, not just a signed letter

Spanish law requires certain acts — including anything that creates or transfers rights over real estate — to be set out in a public deed, not a private document. The rule reaches one step further: a power of attorney authorising someone to carry out an act that itself requires a public deed must also be granted in a public deed. A letter saying "I authorise X to buy the property on my behalf," signed and witnessed informally, is not enough.

Two routes from the UK — and they are not equally quick

There are two practical ways to grant a valid power of attorney without travelling to Spain. The Spanish Consulate in the UK — London, Manchester and Edinburgh all list it — exercises a notarial function and grants powers of attorney directly, as a Spanish public document. Because it is issued by a Spanish authority in the first place, it is ready to use at a Spanish notary without any further step.

The alternative is signing in front of a UK notary public or solicitor instead. That document is valid where it was signed, but it is a foreign document from Spain's point of view — before a Spanish notary can rely on it, it needs an apostille from the UK's Legalisation Office, and in practice a Spanish translation as well.

The Spanish Consulate route produces a document that's already valid in Spain. The UK-notary route produces a document that still needs two more steps before a Spanish notary will accept it.

If you go the UK-notary route, build in real time for the apostille: the UK's standard paper-based service runs up to 25 working days plus courier time, and costs £45 per document (an expedited e-Apostille is faster, around 2 working days, for £35, where the document qualifies for it). Requesting it the week before your signing date is the single most common reason this route runs late.

What the document actually has to spell out

A power of attorney isn't a blank cheque. Because the underlying act has to be set out properly, the deed itself defines exactly what your representative is allowed to do — sign the specific purchase, agree a price up to a stated limit, open a bank account in your name, sign the mortgage, register the property. Anything not written into it, they can't do on your behalf. That's the part worth getting right before you sign, not after.