The simplified route for Tajikistan
Most UK documents do not need full embassy legalisation for use in Tajikistan. The country accepts a single stamp from the UK Legalisation Office instead of a longer chain. This direct path starts when you get a fresh certified copy of your paper. For births, marriages or deaths registered in Birmingham, the register office on Holliday Street can provide this copy to meet the needs of document legalization for Tajikistan. The office works by post; you do not need to visit in person.
What you need to do
Begin by ordering a fresh certified copy of your record from Birmingham Register Office. This protects your original from risk of loss. The copy serves as the starting point for legalize documents for Tajikistan without exposing irreplaceable papers. Send this office copy to the FCDO Legalisation Office in Milton Keynes, not the original. Your item will be returned to the same address you provide when you apply, so ensure your details are correct. This direct route is the full extent of the process, bypassing what would have been a consular legalization for Tajikistan step if one was needed.
What Tajikistan requires
The receiving offices across Tajikistan will accept a certificate from the UK government as full proof. There is no embassy attestation for Tajikistan to complete after the FCDO step. The FCDO stamp alone satisfies the need for embassy legalization for Tajikistan from Birmingham and elsewhere in the UK. Expect the whole exercise to take between several working days for standard service and a couple more for express options, but bear in mind that postal times vary.