The Real Cost of Wiring Money to Japan to Buy a House

The short answer

Paying for a Japanese home from overseas is rarely as simple as "send the yen amount." An international bank transfer carries layered costs that don't always appear as a single visible fee, and once the amount is large — which most house purchases are — Japan's foreign exchange law adds a reporting step that has nothing to do with taxes or your visa. Here is each piece, kept separate from the FEFTA ownership-reporting rule, which is a different obligation entirely.

The three cost layers of an international wire

A standard SWIFT wire transfer typically bundles three distinct costs, not one:

1. The sending bank's fee — a flat charge your own bank quotes for originating the transfer.
2. Intermediary/correspondent bank deductions — on routes that pass through one or more correspondent banks before reaching Japan, each can deduct its own handling charge along the way, which is why the amount that lands can be smaller than the amount sent.
3. The exchange-rate spread — when your bank converts your home currency to yen, it applies its own exchange rate rather than the interbank/mid-market rate you'd see quoted on a financial data site. That difference functions as a cost even when the transfer itself is advertised as fee-free, and it is usually the largest of the three for a transfer of house-purchase size.

Because the spread is built into the rate rather than itemised as a fee, it's easy to under-notice. A practical, non-invented check: compare the exchange rate your bank actually quotes you for the transfer against a public mid-market rate at the same moment (a currency converter or your own central bank's reference rate), and treat any gap as a real cost of that transfer — not a rounding error.

Specialised international payment services exist specifically because of this gap, typically advertising transparent, separately-stated fees and a rate closer to the mid-market one; whether one suits a house-purchase-sized transfer, and whether it can be routed to satisfy your judicial scrivener's or agent's payment timing needs, is worth confirming directly with them and with the professional handling your closing — a delayed or bounced payment on closing day is its own real cost.

The ¥30 million reporting rule you're less likely to have heard of

Separately from all of the above, Japan's Foreign Exchange and Foreign Trade Act (外国為替及び外国貿易法, FEFTA, gaitame hou) requires a post-transfer report — the "支払又は支払の受領に関する報告書" (report on payment or receipt of payment), under Article 55 — whenever a payment or receipt of payment between Japan and abroad exceeds ¥30,000,000 (or its foreign-currency equivalent), according to the Ministry of Finance and the Bank of Japan. Most house purchases, once you include the property price itself, sit well above that threshold.

Practically, for an ordinary transfer conducted through a bank (rather than a private arrangement outside the banking system), it is generally the bank handling the transfer that files this report, as part of processing it — which is one reason banks ask detailed questions about the purpose of a large international transfer before they'll send or receive it. The report goes to the Bank of Japan, and ultimately to the Minister of Finance; it is a statistics-and-monitoring filing, not a tax, and it does not require pre-approval before the transfer happens.

Don't confuse this with the FEFTA ownership report

This ¥30 million payment-reporting rule (Article 55) is a completely separate obligation from the post-acquisition real estate ownership report (Attached Form No. 22) that a non-resident buyer must file within 20 days of acquiring a property, regardless of the transfer amount. A non-resident buyer wiring money to close on a Japanese house can, in principle, be relevant to both: the large wire itself may trigger the bank's Article 55 payment report, and the acquisition of the property afterwards triggers the separate Form 22 ownership report. Neither replaces the other, and neither is optional based on your reason for buying.

What to actually do about it

• Ask your own bank, early, how they handle a transfer of this size to Japan — not on closing week. Ask specifically what their quoted exchange rate is versus the mid-market rate, and what documentation they'll need about the purpose of the transfer.
• Ask the receiving side (your agent, judicial scrivener, or the seller's bank) what information and lead time they need for a transfer of this size to arrive in time for your contracted payment date — international transfers can take longer than domestic ones, and a late payment on a Japanese property contract is not a small problem.
• Budget the spread as a real cost, not a rounding error, when you're comparing your total closing costs.

This explains the general mechanics of international transfers and Japan's payment-reporting rule as of 2026-07-16 and is not financial, tax, or legal advice. Bank fees and exchange-rate practices vary by institution and change over time; confirm current terms with your own bank, and confirm the reporting requirements for your specific transfer with the bank handling it, the Bank of Japan, or the Ministry of Finance.