Self Assessment: general enquiries

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  • Telephone: 0300 200 3310
  • Textphone: 0300 200 3319
  • Outside UK: +44 161 931 9070

If you have already registered for Self Assessment please have your Unique Taxpayer Reference (UTR) with you when you phone.

Find out about call charges

Opening times:

8am to 8pm, Monday to Friday
8am to 4pm Saturday

Closed Sundays, Christmas Day, Boxing Day and New Year’s Day

Problems filing Self Assessment tax returns online

If you have problems filing your Self Assessment tax return online, or if you have lost your online service user name or password, please contact Self Assessment: online services.


Use this address for all Self Assessment correspondence except complaints.
You do not need to include a street name or PO box.

Self Assessment

HM Revenue and Customs BX9 1AS United Kingdom

Send any complaints about Self Assessment to this address.
You do not need to include a street name or PO box.

HM Revenue and Customs

PAYE and Self Assessment Complaints BX9 1AB United Kingdom

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Don't include personal or financial information, eg your National Insurance number or credit card details.