If you are dissatisfied with a Coroner's personal conduct you should normally raise this in the first instance with the Coroner concerned.
If the Coroner is unable to deal with your complaint satisfactorily, you may complain to the Judicial Conduct Investigations Office JCIO) (formerly known as the Office for Judicial Complaints). Examples of potential personal misconduct would be the use of insulting, racist or sexist language, or unreasonable delays in holding an inquest or replying to correspondence.
There is no charge for complaining to the JCIO and you can do so online via the JCIO website Further information about complaints about Coroner's is also available on the website.
Alternatively you can download the JCIO complaints form and send it to the JCIO by fax, post or email. You can also complain by letter or email. The JCIOs details are:
The Judicial Conduct Investigations Office
81-82 Queens Building
Royal Courts of Justice
Strand
London
WC2A 2LL
Email: inbox:jcio.gsi.gov.uk
Fax: 020 7073 4725