A position settled in 1981
The destination joined the Hague Apostille Convention in 1981, and that single fact shapes the whole page. Recognition is not a live question here, not something to argue about and not something that changes between one office and the next. It was decided decades before any of the paperwork now sitting on somebody's kitchen table was printed.
That is worth saying because the worry people bring to this errand is usually about acceptance in principle. Here the principle is settled, and what remains is the ordinary work of getting a signed sheet to a postal address and back without a mistake.
What a settled arrangement removes
Where a destination sits outside the arrangement, a file collects certificates in sequence: an origin-side mark, then a consular one, each with its own desk, charge and wait. Every extra stage is another chance for a bundle to come back unfinished.
Here that second stage does not exist. Document legalisation for United States is complete when the British certificate is attached, so the file makes one journey rather than two. An apostille issued in Bristol for use in United States therefore comes home finished, which is why the planning effort belongs at the start rather than the end.
The Bristol end, step by step
Everything begins with the paper itself. Bristol Register Office at The Old Council House, Corn Street, Bristol BS1 1JG issues certified copies of births, marriages and deaths, which means a civil record can be reissued rather than surrendered. The copy travels and the original stays at home, where a lost sheet would be a genuine problem to replace.
The certifying stage then runs from PO Box 6255, Milton Keynes MK10 1XX, where the FCDO Legalisation Office serves the whole country by post. Nothing about that address is local and nothing about it is negotiable; a file from Bristol and a file from anywhere else in the country arrive at the same place.
Counting sheets, not jobs
The published charges are £45 per document by standard post and £40 per document on the next-day service open to registered businesses. Both are per document, which makes the count the only real lever on the total. Deciding which papers genuinely have to travel is a five-minute job that changes the bill more than anything else here.
No turnaround is published for the postal legs, so what you need for an apostille for United States is a plan built on round trips instead of promised dates. The next-day figure describes the certifying office's own handling and not the journey either way, and the mail still carries the file out and back.