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The short answer
If you plan to move back to Nigeria in a few years, the safest approach is to save in the currency of each future cost: naira for costs you will pay in naira (rent, a car, school fees, setting up a business) and pounds for anything you will still pay in the UK. Building a naira balance gradually spreads your conversions over many exchange rates, and keeping a working Nigerian account with your BVN or NRBVN means the money is usable when you land.
A return move is one of the few times a UK-based Nigerian knows, years ahead, that a large share of their spending will switch to naira. That makes the planning different from ordinary saving. The goal is not to earn the highest rate; it is to arrive with enough naira to cover a known list of costs, without having bet everything on one exchange rate on one day.
Start with a list of naira costs
Write down what you will pay in Nigeria in your first year. Typical items are rent (often paid a year or more upfront), a vehicle, furniture, school fees, a buffer for living costs while work settles, and capital for a business. Some costs may be priced in dollars in practice, such as some rents or imported goods, so note those separately.
Then list what stays in pounds: a UK pension, any UK debts, student loan obligations, a UK property, or travel back to the UK. Those should not be converted at all.
Why spreading conversions helps
If you convert everything in one month, your whole plan rides on that month's rate. Converting a fixed amount each month or quarter means you buy naira at many rates, some good and some poor. It does not beat the market, but it removes the risk of picking the worst moment. Our guide on when to convert pounds before moving back sets out a staged plan for the final year.
A simple worked example
Example only, with made-up rates. You need ₦24,000,000 in three years. You convert £300 a month for 36 months. If the rate averages ₦2,200 per £1 over that time, you collect about ₦23,760,000 before interest. If you had waited and converted £10,800 at the end at ₦2,000 per £1, you would get ₦21,600,000; at ₦2,400 you would get ₦25,920,000. Spreading narrows the range of outcomes.
Where to keep the naira while you wait
- Treasury bills. Government bills are a safe naira benchmark. At the 7 October 2026 auction the 364-day stop rate was 15.85%.
- Fixed deposits. Rates are agreed per bank. Check what happens if you break the deposit early.
- Savings accounts and target savings. Lower rates, but access when plans change.
Nigerian inflation was 14.63% in September 2026 (NBS), so naira savings mainly protect purchasing power rather than grow it. Match the term of each pot to when you need it: rent money due in the first month should not be locked away.
Keep the account usable from the UK
A naira balance you cannot reach is a problem on arrival. Check that your Nigerian accounts are active, linked to your BVN, and that you can receive codes outside Nigeria. Nigerians abroad without a BVN can apply for a Non-Resident BVN online at nrbvn.com; NIBSS says it is issued within 72 hours of approval. The CBN has said NRBVN carries a $50 processing cost. For more on the identity side, see NRBVN explained and keeping a Nigerian account active from the UK.
Tax while you are still in the UK
While you are UK resident, GOV.UK says you are normally taxed on all income, so interest on naira savings is generally reportable to HMRC. After you leave and become non-resident, you pay UK tax only on UK income. The UK-Nigeria treaty provides credit for tax paid in the other country. If you hold an ISA, you can keep it after leaving but cannot pay in while non-resident. This is information, not tax advice.
What often goes wrong
- Dormant accounts. Accounts with no activity for long periods can be flagged and need reactivation in person or with forms, which is hard from abroad. A small transaction now and then keeps them in use.
- Phone numbers. Many Nigerian banks send codes to the phone number linked to your BVN. If that line lapses while you are in the UK, access becomes difficult.
- Family-held money. Money kept in a relative's account is not legally yours, and can be lost to disputes, debts or a death in the family. Keep savings in your own name.
- Land and property bought unseen. Large payments for land from abroad are a common target for fraud. Verify title independently before paying.
- Locking everything up. A move date often slips. Keep part of the naira accessible rather than in long fixed terms.
Steps
- List year-one costs by currency.
- Pick a monthly or quarterly conversion amount and stick to it.
- Split naira into pots by when you will need them.
- Keep BVN, NIN and phone details current so accounts stay open.
- Keep records of every conversion for HMRC and for your Nigerian bank.
Where Pryme fits
A Pryme account holds pounds and naira together. You can convert a set amount whenever you choose with Swap, which shows the rate and the fee before you approve, and move naira into Savings Boxes for each goal, with rates shown in the app. The Personal Assistant can prepare a monthly conversion reminder; nothing moves without your approval.
Questions people ask
Should I convert all my savings before moving back to Nigeria?
Converting in stages usually carries less risk than converting everything at once. Keep anything you will still owe or spend in the UK in pounds.
Where can I keep naira safely while I am in the UK?
Treasury bills, bank fixed deposits and savings accounts are the usual options. Treasury bills are the government benchmark; the 364-day bill cleared at 15.85% on 7 October 2026.
Do I need a BVN to save in Nigeria from the UK?
Most Nigerian accounts need a BVN. If you do not have one, the NRBVN can be applied for online at nrbvn.com.
Is interest on my Nigerian savings taxed in the UK?
While you are UK resident it is generally taxable in the UK, with treaty credit for Nigerian tax. This is information, not advice.
Sources
- Nairametrics: DMO raises N968.47 billion as 364-day stop rate falls to 15.85% (7 Oct 2026) · accessed Oct 2026
- Voice of Nigeria: Nigeria's headline inflation drops to 14.63 per cent (NBS CPI, 16 Oct 2026) · accessed Oct 2026
- NIBSS: Non-Resident Bank Verification Number (NRBVN) · accessed Oct 2026
- Arise News: CBN says BVN registration still free in Nigeria, $50 fee for diaspora NRBVN processing (8 Jul 2025) · accessed Oct 2026
- GOV.UK: Tax on foreign income, residence (updated 1 Oct 2026) · accessed Oct 2026
- GOV.UK: ISAs, if you move abroad · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.