Apostille vs. Embassy legalisation for Zimbabwe
There are two ways a United Kingdom paper is made usable abroad, and only one of them works here. The short way is a single certificate, honoured between Convention countries and finished in one pass. The long way is consular legalisation, where a government stamp is followed by a stamp from the destination's own mission. Document legalisation for Zimbabwe follows the long way, so the budget and the diary both have to be built around two stages instead of one.
Zimbabwe's Hague status & what it means
Zimbabwe has not joined the Hague Apostille Convention. The practical effect is that a desk in Zimbabwe has no treaty basis for trusting a foreign certificate on its own, so it wants a stamp from its own side before it will act on the paper. That is the whole reason the second stage exists, and it is why nobody in Nottingham can shortcut it. It also means the bundle passes through two sets of hands, which is the strongest argument for sending a fresh certified copy rather than the certificate you rely on at home.
The Nottingham → Zimbabwe route step by step
Work outwards from the paper itself. A civil record starts at Nottingham Register Office, The Council House, Old Market Square, Nottingham NG1 2DT, which issues fresh certified copies over the counter and by post. A company file or a private deed instead needs a United Kingdom signature the Legalisation Office already recognises before it can move at all. The file then travels to the FCDO Legalisation Office, PO Box 6255, Milton Keynes MK10 1XX, the single body handling this stage for the whole country. An apostille issued in Nottingham for use in Zimbabwe would stop there and fail, so the file has to carry on to the destination's mission for the stamp that counts.
Cost & timing for this route
£45 per document by standard post, or £40 per document on the next-day route for registered businesses, buys the United Kingdom stage and nothing beyond it. The consular charge is set elsewhere and lands later. Timing behaves the same way: the first stage is the predictable one, the second is not, and they cannot run side by side because the mission wants a file that has already been certified here. Any turnaround quoted for the Milton Keynes desk therefore describes half the job, and reading it as the whole is how people miss dates.
Destination-specific requirements
People search for what you need for an apostille for Zimbabwe, and the honest answer is that the certificate they have in mind is not the one the country asks for. What it does ask for is an unbroken chain: a United Kingdom paper signed by a body the Legalisation Office knows, that office's certificate on top of it, then the mission's legalisation on top of that. Keep the bundle intact throughout. Cutting a ribbon or pulling a staple to scan a page breaks the chain, and a desk in Zimbabwe is entitled to send the whole set back and make you begin again.