Change your address and personal details
Source: gov.uk (2025-05-14)

Tell HMRC when you change your address or other personal details.

Online

Tell HMRC when you change your address (https://www.gov.uk/tell-hmrc-change-address)

Here are some ways you can tell HMRC online about a:
- change of name or personal details (https://www.gov.uk/tell-hmrc-change-of-details)
- change to your business (https://www.gov.uk/tell-hmrc-changed-business-details)
Use the HMRC app

You can also use the official HMRC app (https://www.gov.uk/guidance/download-the-hmrc-app).

Webchat

Chat online with the HMRC digital assistant (https://www.tax.service.gov.uk/ask-hmrc/chat/online-services-helpdesk). If you cannot find the answer to your question, ask to chat with an HMRC adviser if one is available.

75% of people using the digital assistant find the answer without having to call.

Phone

Income Tax

Have your National Insurance number with you when you phone.

Telephone: xx-xxxx-xxxx

Textphone: xx-xxxx-xxxx

Outside UK: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

Phone lines are less busy before 10am, Monday to Friday.

Tax credits

Telephone: xx-xxxx-xxxx

Textphone: xx-xxxx-xxxx

Outside UK: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

Phone lines are usually less busy Tuesday to Thursday, from 8:30am to 10:30am and 2pm to 4pm.

Self Assessment

Have your Unique Taxpayer Reference (UTR) with you when you phone.

Telephone: xx-xxxx-xxxx

Textphone: xx-xxxx-xxxx

Outside UK: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

National Insurance

Have your National Insurance number with you when you phone.

Telephone: xx-xxxx-xxxx

Textphone: xx-xxxx-xxxx

Outside UK: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

Child Benefit

Have your National Insurance number or Child Benefit number with you when you call.

Telephone: xx-xxxx-xxxx

Opening times: Monday to Friday, 8am to 6pm. Closed bank holidays (https://www.gov.uk/bank-holidays).

Phone lines are less busy between 8am and 11am, Wednesday to Friday.

Find out about call charges (https://www.gov.uk/call-charges)

Related content

Guidance
- Tell HMRC about a change to your business (https://www.gov.uk/tell-hmrc-changed-business-details)
HMRC contacts
- Child Benefit: general enquiries (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/child-benefit)
- Income Tax: general enquiries (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/income-tax-enquiries-for-individuals-pensioners-and-employees)
- National Insurance: general enquiries (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/national-insurance-enquiries-for-employees-and-individuals)
- Self Assessment: general enquiries (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/self-assessment)
- Tax credits: general enquiries (https://www.gov.uk/government/organisations/hm-revenue-customs/contact/tax-credits-enquiries)