Contact HMRC
BX9 1AS: which HMRC address is this?
Last reviewed 11 October 2026 · How Tax Letters checks its facts
GOV.UK prints BX9 1AS in the HMRC addresses below. Each one gives what GOV.UK says to send there, the address as GOV.UK prints it, and the other routes GOV.UK lists for that contact.
Self Assessment
Self Assessment · Self Assessment: general enquiries
You can write to HMRC if you have a Self Assessment query.
Self AssessmentHM Revenue and CustomsBX9 1ASUnited KingdomInstead of post, on GOV.UK
Self Assessment: general enquiries
Call HMRC if you have a query about:
- your Self Assessment returns, payments, replacements or notices
- signing up for or using Making Tax Digital for Income Tax
Source: GOV.UK: Self Assessment: general enquiries (checked 11 Oct 2026)
Self Assessment
Self Assessment · Self-employment and Income Tax: enquiries
Write to HMRC at the address shown on the most recent letter they have sent you with questions about Income Tax if you’re self-employed. If you do not have a letter write to this address.
Self AssessmentHM Revenue and CustomsBX9 1ASUnited KingdomInstead of post, on GOV.UK
Self-employment and Income Tax: enquiries
Call HMRC if you’re self-employed and have an Income Tax enquiry or need to report changes to your personal details.
Source: GOV.UK: Self-employment and Income Tax: enquiries (checked 11 Oct 2026)
Pay As You Earn and Self Assessment
PAYE and Income Tax · Income Tax: enquiries
Write to HMRC at this address for PAYE and Income Tax queries.
Pay As You Earn and Self AssessmentHM Revenue and CustomsBX9 1ASUnited KingdomSource: GOV.UK: Income Tax: enquiries (checked 11 Oct 2026)
Pay as You Earn and Self Assessment
Certificates of residence and letters of confirmation · Applying for a certificate of residence by post
For individuals, sole traders and partnerships, the postal address GOV.UK gives is Pay as You Earn and Self Assessment, HM Revenue and Customs, BX9 1AS, United Kingdom.
If you cannot apply online, GOV.UK says you can apply by post by sending all the information the application needs to the address for your organisation type.
Instead of post, on GOV.UK
To apply online you use either your sign in details, which you can create if you do not have them, or your email address, to which you are sent a confirmation code you can use to sign in. GOV.UK says you can save your progress and come back later.
Source: GOV.UK: Apply for a certificate of residence or letter of confirmation (checked 10 Oct 2026)
Couriers
Use this address if you’re a courier for all post items being delivered to a:
- postcode beginning with BX5 or BX9
- PO box
- HMRC site that does not accept post
Other HMRC postcodes
This page cannot tell you whether a letter, call or message came from HMRC. The scam check covers that. Information, not advice: it says what GOV.UK says each address is for, and does not choose one for you. All HMRC contact lines, by letter type.
- BX5 5BDHMRC
- BX9 1AANIC and EO Complaints
- BX9 1ABPAYE and Self Assessment Complaints
- BX9 1AJWACSI Certificate of Residence
- BX9 1ANPT Operations North East England, Subject Access Requests
- BX9 1AXCorporation Tax Services
- BX9 1BXPT Operations North East England
- BX9 1ERHM Revenue and Customs
- BX9 1HTWealthy/Mid-size Business Compliance
- BX9 1JTDebt Management Complaints
- BX9 1WRBT VAT
- BX9 2ABCustomer Compliance Complaints
- BX9 2BSBereavement Services
- NE88 1AAHM Revenue and Customs – Child Benefit Office, HM Revenue and Customs – Guardian’s Allowance Unit
- NE88 1ZDHM Revenue and Customs – Child Benefit Office
- NE98 1ZZHMRC Digital Services, Large Business Scotland & Northern Ireland, HM Revenue and Customs
Sources
- GOV.UK: Self Assessment: general enquiries (checked 11 Oct 2026)
- GOV.UK: Self-employment and Income Tax: enquiries (checked 11 Oct 2026)
- GOV.UK: Income Tax: enquiries (checked 11 Oct 2026)
- GOV.UK: Apply for a certificate of residence or letter of confirmation (checked 10 Oct 2026)
- GOV.UK: Courier deliveries to HMRC: PO box and BX postcodes (checked 11 Oct 2026)