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Get Your National Insurance (NI) Number in Portsmouth, England (2026)

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Cost

Free

The service is free.

Time at office

30 minutes

Estimated time

Immediate online

Quick summary

Complete guide to getting your National Insurance (NI) number in Portsmouth. Immediate online process or visit the local office.

Required documents

  • Original Identity Document

    Passport, ID card or official identification document.

  • National Insurance Application Form (SA1)

    Complete the SA1 form with personal and residential details.

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The service is free. €0.00
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: 2026

Step by step

  • 1

    Online Process

    Go to official site

    Fill out the SA1 form online and submit it directly from the official UK government website.

    !

    Expert tip

    "The online process is quick and avoids travel."

  • 2

    In-Person Process

    If you prefer, you can visit the local Jobcentre Plus office in Portsmouth to apply for your NI number.

    !

    Expert tip

    "You need to bring identity documents and complete the SA1 form."

Offices and service points - Portsmouth

Jobcentre Plus

Accessible City centre

23-25 Commercial Road, Portsmouth PO1 4DF

View on Google Maps
+44 (0)800 0556688
Monday to Friday: 8:00 - 17:00

Frequently asked questions

Is a National Insurance number required to work in the UK?
Yes, you need an NI number to work legally and receive state benefits.
How long does it take to receive my National Insurance number after applying online?
Generally, you will receive your NI number between 2 to 3 weeks after the application.

Official sources and useful links

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