A document that gets made, not fetched
Working out how to legalize a Certified Translation Affidavit means understanding that there is nothing to fetch. A birth entry sits in a register waiting to be copied; this paper begins as a translator's promise. They set out that the translation is a true rendering of the source, sign it as an oath, and a notary or solicitor witnesses that act.
The oath is what gives the bundle weight abroad. A reader who cannot check the English original relies on somebody having put their name to the accuracy of the words, under a penalty if they are wrong. The later stamps say nothing about the quality of the translation; they prove the signature under the oath is genuine.
Keep the bundle whole
The notary binds three things together: the source sheet, the translated text and the sworn statement. From that point the set travels as one object. Consular legalization of a Certified Translation Affidavit in the United Kingdom certifies the notary's mark on that object, and a set that arrives with a broken seal has lost the thing being certified.
So corrections are expensive. A misspelt name spotted after swearing cannot be pencilled in, because the sworn text and the bound set have to match exactly. Proofread the names, dates and numbers against the source before the translator swears anything, since that half hour is the cheapest insurance in the whole job.
Getting the order of work right
Where the underlying record also needs stamping, do that first. To legalize a Certified Translation Affidavit in Leicester after the source has been through its own chain gives an affidavit describing the finished sheet, stamps and all. Sworn first and stamped afterwards, the description no longer matches, and a strict reader abroad will say so.
Civil records make this easy to get right. Leicester Registration Service on Charles Street can issue a fresh certified copy of a birth, marriage or death entry, and that copy is what should reach the translator, so your own certificate never joins the postal chain at all.
Cost, timing and the language pair
The embassy legalization of a Certified Translation Affidavit in Leicester carries four charges, not one: translator, notary, the FCDO at around £45, and the mission's own fee. Only the FCDO figure is steady. The rest move with the language, the length of the text and the country the bundle is going to.
Timing works the same way. The British stages are the predictable part at 7–10 business days, or 2–3 business days express, and the embassy attestation of a Certified Translation Affidavit in Leicester runs on a diary nobody outside the mission controls. Start with the translation, because that stage is the one that most often runs long.