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The short answer
Budget in the currency you earn, list your naira commitments in naira, and convert them on a fixed day each month with a buffer for rate moves. Keep naira money in its own pot so it is not mixed with local spending, and review the naira list every month because school fees, rent and prices at home change.
Why two-currency budgets go wrong
Most diaspora households run two financial lives. Rent, transport and groceries are paid in pounds, dollars or euros. School fees, a parent's upkeep, a building project and family events are paid in naira. The trouble starts when the naira side is planned as a vague "send something home" line rather than a list of real amounts and dates. Because the naira floats, and the CBN's NFEM rate changes daily, the cost of the same naira commitment in your earning currency moves even when the commitment does not.
Step 1: anchor the budget in your earning currency
Your income arrives in one currency, so that is the anchor. Start with take-home pay, then fixed local costs (rent, utilities, transport, childcare), then savings. What is left is the pool from which naira commitments are funded. If the naira list does not fit in that pool at a realistic rate plus a buffer, it is better to know now than in January when fees fall due.
Step 2: list naira commitments in naira
Write naira costs in naira, with dates. Converting them into pounds or dollars on paper hides the fact that the naira figure is what is owed.
| Commitment | Amount (example) | When |
|---|---|---|
| Mother's monthly upkeep | ₦200,000 | 1st of each month |
| Second-term school fees | ₦850,000 | January |
| Building project instalment | ₦500,000 | Quarterly |
| Family events reserve | ₦100,000 | Monthly |
Example: on this list the regular monthly naira need is ₦300,000 (₦200,000 + ₦100,000). The quarterly instalment adds ₦500,000 every three months, and January adds ₦850,000.
Step 3: convert on a fixed day, with a buffer
Pick one conversion day a month and convert the coming month's naira needs then. Add a buffer to the amount you set aside in your earning currency, for example 10%, to absorb a weaker rate or an unexpected request. The buffer is not spent unless needed; unused buffer rolls into savings. Remember that the cost is the provider's rate after its margin plus any fee. Lloyds, for example, publishes margins of 1.50% to 3.55% for converting foreign currency paid into an account (as at October 2026), so the same naira sum can cost noticeably different amounts depending on how you convert.
Worked example
Example: Chioma in Dublin needs ₦300,000 a month for upkeep and events. She sets aside the euro amount her provider quotes for ₦330,000 (₦300,000 plus a 10% buffer of ₦30,000). In a month where nothing unexpected happens, she converts only ₦300,000 and keeps the euro equivalent of the ₦30,000 buffer. Over a year, if the buffer is never used, she has kept back the euro equivalent of ₦360,000 (12 × ₦30,000).
Step 4: keep separate pots
- A local spending account for daily life abroad.
- A naira pot for commitments already converted, so naira for school fees is not used for something else.
- Savings in your earning currency for later naira needs, converted only when they fall due.
- An emergency fund; see which currency to keep it in.
If you hold naira savings for long, be aware of deposit insurance limits. The NDIC's FAQ says cover is up to ₦5,000,000 per depositor at deposit money banks and ₦2,000,000 at microfinance banks.
Pitfalls to avoid
- Treating every request from home as urgent. Agree with family which costs you cover and when, so the plan does not change weekly.
- Mixing converted naira with local savings in one balance, which makes it hard to see what is committed.
- Converting more naira than the month needs because the rate looks good; idle naira is exposed to inflation and further rate moves.
- Forgetting irregular costs: school resumption, festive seasons, funerals and weddings often arrive together.
- Ignoring fees on small, frequent transfers. Batching transfers into fewer, planned conversions usually costs less.
A shared list with the person who receives money at home, showing what has been sent and what it is for, also reduces misunderstandings and duplicate requests.
Step 5: review monthly
Prices and fees at home change, and so do requests from family. Once a month, compare what you converted with what was spent, update the naira list, and check whether the buffer was enough. Our Nigeria library's guide to budgeting when you earn in dollars and spend in naira covers the same idea from the other side. For how much naira to hold at all, see how much naira exposure a diaspora household should carry.
Where Pryme fits
A Pryme account holds naira alongside GBP, USD and EUR, so the separate pots above can sit in one place. You convert with Swap, with the rate shown first and the fee on its own line. For naira held in Nigeria, Savings Boxes let you set naira aside for specific goals. The Personal Assistant can prepare reminders for school fees or monthly upkeep; nothing moves without your approval.
Questions people ask
How do I budget when I earn in pounds and spend in naira?
Budget in pounds, list naira costs in naira with dates, convert on a fixed day each month and add a buffer for rate moves.
How much buffer should I add for exchange rate changes?
There is no fixed rule. Many people use around 10% and adjust after a few months of tracking what they actually needed.
Should I convert school fees early?
Converting early locks in today's rate but gives up flexibility. Converting when the invoice arrives keeps the money in your earning currency until then. Neither is guaranteed to be cheaper.
Is naira savings insured?
The NDIC says cover is up to ₦5,000,000 per depositor at deposit money banks and ₦2,000,000 at microfinance banks.
Sources
- CBN: Exchange rates by currency (NFEM) · accessed Oct 2026
- Lloyds Bank: Receive money from outside the UK or in a foreign currency · accessed Oct 2026
- NDIC: Frequently asked questions · 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.