British Citizenship by Descent Solicitors in London
We handle the risks of buying, selling or remortgaging in London, so your move stays on track.
call 0207 100 2525 to speak to a specialist today.Available24/7
British citizenship by descent lets you claim UK nationality through a parent — or, in more limited circumstances, a grandparent — who is or was a British citizen. Depending on your date of birth and family history, you either become British automatically or need to register the claim with the Home Office; either way, the eligibility rules are technical and getting them wrong can cost you the claim entirely.
Our British Citizenship by Descent solicitors in London assess your eligibility, prepare your registration application (Form MN1, or Form UKF where a historic-unfairness route applies), and handle refusals and reconsiderations.
Am I a British Citizen Automatically? Eligibility by Date of Birth
Whether you’re already British without needing to apply depends entirely on when you were born, under section 14 of the British Nationality Act 1981:
- Born before 1 January 1983 (outside the UK): you’re automatically British only if your father held UK and Colonies citizenship and was married to your mother at the time of your birth.
- Born between 1 January 1983 and 30 June 2006: you automatically qualify if one or both parents held British citizenship at your birth, that parent did not hold their own citizenship “by descent,” and — where only your father was British — your parents were married when you were born.
- Born on or after 1 July 2006: you automatically qualify if either parent was British at your birth (regardless of their parents’ marital status), provided that parent’s own citizenship wasn’t itself acquired by descent.
If you don’t fit one of these, you may still be eligible through registration (below), or you may separately qualify under British Citizenship by Birth if you were born in the UK, or British Citizenship by Marriage if you’re applying through a British spouse rather than a parent. Not sure which route applies? Book a free consultation and we’ll confirm it before you spend anything on an application.
Registering for British Citizenship by Descent (If You Don't Qualify Automatically)
If you don’t meet the automatic criteria above, you may still be able to register as a British citizen instead. Common routes include:
- You were born on or after 1 July 2006 and were adopted outside the UK by a British parent, or you lived with a British parent in the UK before applying, or your parents were UK-resident British nationals before your birth.
- You were born between 1983 and June 2006, your father was British “otherwise than by descent” but wasn’t married to your mother at the time (the “otherwise than by descent” requirement is waived if he was a Crown servant).
- You were born before 1983 and it’s your mother — rather than your father — who held British citizenship, or your parents weren’t married and your father was the British national.
Registration is discretionary rather than automatic, so the Home Office will also expect evidence of good character (for applicants aged 10 or over), correct proof of parentage, and — for some routes — evidence of UK residence. Our solicitors can confirm which category applies to you and build the supporting evidence bundle before you submit anything to the Home Office.
Claiming Through a Grandparent: Double Descent (and Rare Triple Descent Claims)
Most people can only inherit citizenship through a parent — under UK nationality law, someone who is British “by descent” generally can’t pass that citizenship on again to a child born outside the UK. Double descent is the narrow exception that lets you claim through a British grandparent instead, and it only applies in specific historical circumstances:
- Born before 1949: if one grandparent was a British subject and either you or your parent was born in British territory (or outside the Commonwealth before 1915), or your grandmother married a British national before 1949.
- Born before 1983, outside the EEA: if your mother’s father — or, in some cases, your father’s father — was born in the UK, generally alongside a pre-1949 parental marriage.
- Born after 1983: if your grandparent was born in the UK and was serving the Crown abroad at the time of your parent’s birth, or your parent’s own British mother became a citizen between 2 February and 31 December 1982.
A small number of cases go one generation further still — claiming through a great-grandparent (“triple descent”) — but this only arises where a chain of Crown-service postings or specific pre-1949 colonial-era facts line up across three generations, and it is genuinely fact-specific. If your UK ancestry is through a grandparent or great-grandparent rather than a parent, it’s worth a free consultation before assuming either that you qualify or that you don’t — double and triple descent claims are exactly the cases where a wrong assumption either wastes a Home Office fee or causes someone to give up on a claim they actually had.
UK Ancestry Visa vs Citizenship by Descent — Which Applies to You?
These two routes get confused constantly, and they are not the same thing:
| British Citizenship by Descent | UK Ancestry Visa | |
|---|---|---|
| What you get | British citizenship itself (a passport, if eligible) | Permission to live and work in the UK for 5 years — not citizenship |
| Who qualifies | Those with a British parent (or, rarely, grandparent via double/triple descent) | Commonwealth citizens with a grandparent born in the UK, Channel Islands or Isle of Man |
| Cost (2026) | £0 if automatic; from £1,540 (adult registration) if not | £726 plus the Immigration Health Surcharge |
| Route to settlement | Immediate — you’re already a citizen | Apply for indefinite leave to remain after 5 years, then citizenship separately |
If your UK connection is through a grandparent and you’re a Commonwealth citizen, the UK Ancestry visa may be the realistic route even where double descent doesn’t apply. Our solicitors can assess both routes side by side so you’re not applying for the wrong one.
How to Apply: Forms, Fees and Processing Times (2026)
If you qualify automatically, there’s no application and no fee — you simply obtain evidence (a passport) of citizenship you already hold. If you need to register, current Home Office fees are:
| Application | Fee (2026) |
|---|---|
| Registration as a British citizen — adult (Form MN1) | £1,540 |
| Registration as a British citizen — child under 18 (Form MN1) | £1,000 |
| Registration under a historic legislative unfairness route (Form UKF) — where applicable | Fee-exempt in qualifying cases |
| Citizenship ceremony (where required, adults) | £130 |
| Naturalisation (separate route, for those settled/married rather than by descent) | £1,709 |
| Reconsideration of a refused nationality application | £513 |
Most registration applications are submitted online and take roughly 6 months to decide, though postal applications generally cost more and take longer. You’ll also need to attend a UKVCAS appointment to give biometrics (fingerprints and a photograph) as part of the process. Because the correct form depends entirely on which route applies to you — MN1 for the great majority of descent-based registrations, UKF only for the narrower historic-unfairness cases — it’s worth confirming this before you pay any fee, since it isn’t refundable if the application is refused.
The Good Character Requirement
Good character only applies to registration applications from anyone aged 10 or over — it does not apply if you’re claiming citizenship automatically, since you’re already a citizen. The Home Office assesses convictions, immigration history (including any illegal entry or overstaying) and financial conduct. Guidance in this area has shifted materially in 2026 — see our Naturalisation as a British Citizen page for the full detail on the Home Office’s softened approach to historic illegal entry that was beyond an applicant’s control, which applies equally to good-character assessments for registration.
H2: What to Do if Your Application Is Refused
A refusal isn’t the end of the road. Depending on the route and the reason given, your options include:
- Case review — we analyse the refusal notice to identify exactly why the Home Office declined the application.
- Request to reconsider — a formal reconsideration (£513) where there’s an error or overlooked evidence, rather than a fresh application.
- A fresh application — submitted with a corrected evidence bundle where reconsideration isn’t appropriate.
- Judicial review — for registration decisions involving a clear error of law or unreasonable exercise of discretion, rather than a simple evidence gap.
Why Choose Adam Bernard Solicitors
- Specialist British citizenship and immigration lawyers based in London, serving clients across the UK and internationally
- Direct experience with automatic citizenship, registration, double/triple descent and refusal cases
- Up to date with 2026 Home Office fee changes and good-character guidance
- Free initial consultation, with fixed-fee quotes before you commit
- 24/7 phone contact, plus video consultations via Zoom, Teams, WhatsApp or Skype
Frequently Asked Questions
Can I get UK citizenship through my grandparent?
Who is eligible for British citizenship by descent?
How can I apply for British citizenship by descent?
What documents are required for citizenship by descent?
How long does it take to get British citizenship by descent?
What happens if my citizenship by descent application is refused?
Why should I use a solicitor for British citizenship by descent?
Request to book a Free Consultation
Our Clients Share Their Success Stories.
Good service 👍 👌 many thanks for the great service you have provided to us. Our visa got approved just within 2 weeks only because of your hardwork and subject matter expertise. I am very thankful to you
For me, it was the attitude towards the job the lawyers displayed. Totally unmatched. I've been in and out of law firms because of the divorce with my wife and other related issues but Adam Bernard Solicitors was it for me guys. The best!
I want to thank Adam Benard team, they really helped me in my process of purchasing a property, their team are listen and respond to their customers fast. I really love your service, thanks alot.
Adam Bernard team helped me to purchase the best property for the best amount of time for the best money i have . i personally love dealing with them and i thank the team for all the efforts they made to make the task better .
