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• Applying for a completion certificate

  How to apply for a full or partial completion certificate after building work on a higher-risk building has been completed.

  • Updated: 27 March 2025
• Clinical trials for medicines: apply for authorisation in the UK

  How to apply for a clinical trial including eligibility, phases, model IMPDs, costs and how to make changes to your application.

  • Updated: 27 January 2026
• Check if a website can legally sell medicines online in Northern Ireland

  Check if someone selling medicines online in Northern Ireland is allowed to do so by the Medicines and Healthcare products Regulatory Agency (MHRA)
• Complaints procedure

  The Foreign, Commonwealth & Development Office is committed to providing a high-quality service to everyone we deal with.

  • Updated: 13 January 2025
• High Potential Individual (HPI) visa

  Apply for a High Potential Individual (HPI) visa if you've been awarded a qualification by an eligible university in the last 5 years - eligibility, fees, documents, switch, bring your partner and children
• Keeping information about a higher-risk building: the golden thread

  The information clients, principal designers, principal contractors and accountable persons need to keep.

  • Updated: 18 September 2024
• Estimate your penalty for late Self Assessment tax returns and payments

  If you’ve missed Self Assessment deadlines get an estimate of how much you’ll need to pay in penalties and interest
• HMRC email updates, videos and webinars for Self Assessment

  Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.

  • Updated: 23 December 2025
• Give up (renounce) British citizenship or nationality

  Apply to give up (renounce) your British citizenship or status - ‘declaration of renunciation’
• Check how much Income Tax you paid last year

  Check how much Income Tax you paid to HM Revenue and Customs (HMRC) last year. Check your P800.