ECB19.2 Action by referred casework unit (RCU)
Members of the public who are in the UK can contact referred casework unit (RCU) with their request to have their visa amended by mail at the following postal address:
Referred Casework Unit – EC error amendment centre
15th floor Apollo House,
36 Wellesley Road
Croydon
CR9 3RR
Members of the public should provide RCU with the following documentation:
applicant’s covering letter containing their request to have their visa amended
applicant’s valid passport or travel document
applicant’s two recent passport sized photographs
any other relevant documentation
When it is necessary, RCU will contact the relevant overseas visa section to confirm that an error has been made.
When the error has been confirmed and RCU has received all the required documents, RCU will amend the error free of charge.
https://www.gov.uk/government/publicati ... ment-ecb19