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Self Assessment Tax Return in Durham, England (2026)

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Cost

Free

The self-assessment process is free, but there may be costs associated with paying taxes.

Time at office

30 minutes

Estimated time

2-3 weeks

Quick summary

Complete guide to filing your tax return through Self Assessment. Online process available immediately or in-person at HMRC offices.

Required documents

  • National Insurance Number (NINO)

    Needed to identify yourself with HMRC.

  • Financial details

    Income, expenses, and any other relevant financial information.

  • ?

    Supporting documentation Optional

    Invoices, receipts, and other documents that support the information provided in your declaration.

    ⚠️ Recommended to avoid future audits.

0 €
The self-assessment process is free, but there may be costs associated with paying taxes. €0.00
€0.00
€0.00

: 2026

Step by step

  • 1

    Register for Self Assessment Service

    Go to official site

    Register on HMRC's online platform to file your return.

    !

    Expert tip

    "It is advisable to do so before October 31st to avoid penalties."

  • 2

    Complete the Declaration

    Fill out all necessary fields in your declaration and ensure you include all relevant information.

    !

    Expert tip

    "Carefully review before submitting to avoid errors."

  • 3

    Pay Taxes

    Make the corresponding payment through the online platform or at HMRC offices if needed.

    !

    Expert tip

    "You can pay in monthly installments if preferred."

Offices and service points - Durham

HM Revenue and Customs Durham

Accessible Appointment required City centre

Durham Business Centre, 105 North Bailey, Durham DH1 3HF

View on Google Maps
+44 (0)300 200 3700
Monday to Friday: 8:00 - 16:00

Frequently asked questions

Can I file my declaration in person?
Yes, you can visit an HMRC office with a prior appointment to file your declaration.
When do I have to send my declaration?
You must submit it before October 31st of the following year for which the return is being made.

Official sources and useful links

This guide is for informational purposes only. Always check the official source for current information.