Updating my timeline as I just received notification of citizenship! I qualified under section 4L, my solicitor advised to apply online with UKM attaching a cover letter rather than ARD which used a paper form and more expensive. Oddly I didn’t receive any communication from UKVI, just an email from...

You could try this alternate email address for post application enquiries

FurtherNationalityEnquiries@homeoffice.gsi.gov.uk

This thread was very useful, so posting my experience to date and will update it as my application progresses. Although I qualify under section 4L, my solicitor advised to apply online with UKM with cover letter rather than ARD which used a paper form and more expensive. Eligibility criteria: UKM (S...