Apostille vs. Embassy legalisation for Argentina
Two very different routes exist for getting a UK paper accepted overseas, and only one applies here. Embassy legalisation means a foreign consulate adds its own stamp after the UK stage; an apostille is a single certificate that stands on its own and needs no second signature from anyone else. For Argentina, document legalisation for Argentina stops at the apostille — no consulate needs to see the paper at all, and no appointment has to be booked with anyone abroad.
That matters because the two routes cost very different amounts of time and worry. A consular stage means booking, posting to a second office, and waiting on a foreign schedule that the sender cannot see or influence. Argentina asks for none of that: the apostille from The Legalisation Office (Foreign, Commonwealth & Development Office) is the last UK step and the last step, full stop, with nothing left to chase afterwards.
Argentina's Hague status & what it means
Argentina joined the Hague Apostille Convention in 1988, and the United Kingdom joined in 1965, so both sides already run the same system for this kind of paperwork. Once a country sits inside that circle, its authorities agree in advance to trust each other's apostille — that is the entire point of the treaty, and why nothing further gets added on the Argentine end once the stamp is on the page.
In practice this means the apostille issued in Nottingham for use in Argentina is not a UK opinion about the paper; it is a certificate Argentina itself has already agreed, by treaty, to honour without further checking. A receiving office in Buenos Aires or any other city checks the stamp against the register the FCDO keeps, not against a separate approval of its own devising.
The Nottingham → Argentina route step by step
Start with the paper itself. Court, education and company records already carry a signature the FCDO can check directly; a civil record from a Nottingham birth, marriage or death should instead be a certified copy ordered fresh, so the one household original is never put in an envelope and risked in the post.
From there the whole job runs by post. The FCDO Legalisation Office in Milton Keynes checks the signature, attaches the apostille, and returns the pack by the same route — an apostille from United Kingdom to Argentina needs no other office in between, in the UK or abroad, and no counter is ever visited in person.
Cost & timing for this route
The official fee is £45 per document by standard post, or £40 per document on the next-day service that registered businesses can use instead. Turnaround for everyone else runs up to 25 working days, plus postage time each way, so a paper needed for a fixed date should go in the post well before that date arrives.
Nothing about the price or the wait changes because Argentina happens to be the destination — the fee and the queue are set by the FCDO on the UK side, not by anything Argentina itself requires or adds on. What you need for an apostille for Argentina is exactly what any apostille needs: the right original document and the standard FCDO fee, nothing extra.
Destination-specific requirements
An apostille for Argentina is the correct and sufficient certification on its own; Argentine offices are set up to read the FCDO stamp without asking for anything added to it while the paper is still in the UK. There is no separate Argentine stamp, seal or approval layered on top of what Milton Keynes already provides.
Some receiving desks in Argentina may still want a Spanish translation of the underlying paper once it lands, but that is a separate, local decision made after arrival — it changes nothing about the UK apostille stage, which stays a single certificate issued by a single office before the paper ever leaves Nottingham.