How to Move Money Abroad to Buy Property: FX Brokers, Forward Contracts & the Hidden Spread

Published on: June 7, 2026

Quick answer: The real cost of moving money abroad for a property purchase is rarely the transfer fee, it's the hidden spread, the margin (commonly two to four percent) banks add to the mid-market exchange rate, which on a 400,000 transfer at three percent quietly costs roughly 12,000. Compare every provider on one number only: the all-in amount that actually lands at the other end. A regulated specialist currency broker usually beats a high-street bank on large sums, and a forward contract lets you lock today's rate for a transfer that completes later so your budget can't move against you before completion. Always use a properly regulated provider, have your source-of-funds paperwork ready, and confirm bank details through a separate trusted channel to avoid conveyancing fraud.

You found the property, agreed the price, and lined up the deposit. Then comes the part almost nobody plans for: actually getting several hundred thousand euros, dollars, or dirhams from your home account into the seller's, at a rate that doesn't quietly cost you the price of a small car.

This is where overseas purchases leak money. The danger isn't usually an obvious fee. It's the gap between the rate you see quoted on a finance app and the rate your bank actually gives you, multiplied by a six-figure transfer. Understanding that gap, and the tools that close it, is worth more than any negotiation you'll do on the property itself.

The hidden spread: why "no fee" is rarely free

Banks love to advertise transfers with "no transfer fee." The catch is that the cost isn't in the fee; it's baked into the exchange rate.

There is a real, wholesale exchange rate at which banks trade currency with each other, the interbank or mid-market rate. When you convert money, you don't get that rate. You get a rate with a margin added, and that margin, the spread, is the bank's profit on the deal. High-street banks commonly build in two to four percent.

On a coffee that's invisible. On a property it's brutal. Transfer 400,000 euros at a three percent spread and you've handed over roughly 12,000 euros without ever seeing a line item for it. The transfer was "free." The conversion was not.

The single most useful habit when moving large sums is to ignore the headline rate and ask one question of every provider: what is the all-in figure, the exact amount that will land at the other end after rate and any charges. Compare providers on that number alone.

FX brokers versus your bank

Specialist currency brokers exist to compete on exactly the spread that banks rely on. Because they handle large transfers at volume, they typically quote a tighter margin closer to the mid-market rate, and a reputable one will confirm the all-in rate before you commit a single unit of currency.

The advantages of a specialist over a bank for a property purchase tend to be:

• A tighter spread on large sums, which usually outweighs any small per-transfer fee.
• A named dealer who understands your completion timetable and makes sure funds arrive the day your notary or lawyer needs them, not three days late.
• Access to rate-management tools, forward contracts and limit orders, that banks rarely offer retail clients.

Self-serve apps are excellent for small, everyday transfers and travel money. For a property deposit and completion, the rate difference and the human coordination usually justify a specialist.

The three tools you actually have

There are only three core ways to convert money, and choosing the right one is mostly about your appetite for risk and how fixed your timeline is.

Spot. You convert at today's rate and the money moves now, usually settling within one to two working days. Simple, immediate, and fully exposed to whatever the rate happens to be on the day. Fine when you're completing imminently and the rate is acceptable.

Forward contract. You fix today's rate for a transfer that happens later, in some cases up to one or even two years out. You put down a small deposit and pay the balance on the settlement date. This is the property buyer's tool, and it deserves its own section below.

Limit and stop-loss orders. You set a target rate and the transfer triggers automatically if the market reaches it. A limit order chases a better rate; a stop-loss protects you from a worse one. Useful if you have flexibility on timing and a clear view of the rate you need.

Forward contracts: locking the rate so your budget can't move

Here's the problem a forward contract solves. An overseas purchase takes time, often weeks or months between your offer being accepted and final completion. Over that period the exchange rate drifts, sometimes sharply, and a property that cost a comfortable amount in your home currency at offer can cost noticeably more by the time you pay.

A forward contract removes that uncertainty. When you book one, you agree to exchange a set amount of currency at a fixed rate on a future date. Imagine you're buying in Spain and need 400,000 euros in three months. You lock the rate the day your offer is accepted, place a deposit (often in the region of five to ten percent), and pay the balance at settlement. Whatever the market does in the intervening weeks, the figure you budgeted at exchange of contracts is the figure you pay at completion.

The trade-off is symmetry. A forward contract protects you completely from the rate moving against you, but you also won't benefit if it moves in your favour. You've chosen certainty over the chance of a better deal. For most buyers funding a fixed purchase price on a fixed-ish timeline, certainty is exactly the right thing to buy, especially in volatile markets where central-bank divergence and political news swing currency pairs week to week.

If you're paying a foreign mortgage, renovating, or sending money for ongoing costs, a regular-payment plan does the same job over time, fixing or smoothing the rate on a recurring transfer.

Timing: when to convert and when to lock

The deposit and the balance are two different decisions. The deposit usually has to move quickly to secure the property, so that's often a spot transfer. The balance is where a forward contract earns its keep, because the gap to completion is where the real exposure sits.

Trying to "time the market" on a property deadline is how people lose money, not make it. You don't have the luxury a trader has of waiting indefinitely for the perfect rate; you have a completion date. Decide early whether you're prepared to carry the risk of the rate moving against you for the sake of possibly catching a better one. If the answer is no, lock it.

Source of funds: the compliance you can't skip

Move a large sum across borders for property and you will be asked where the money came from. This isn't suspicion; it's standard anti-money-laundering practice, and any regulated provider applies it. Larger transfers attract more checks, which is a sign your provider is doing its job properly rather than a red flag.

Have your paper trail ready before you start: bank statements showing the accumulation of the funds, and documentation for the source, whether that's salary and savings, the sale of another property, an investment redemption, an inheritance, or a gift (a gift usually needs a letter from the giver). Clean, contemporaneous evidence prevents the single most common cause of last-minute delay, a transfer held while compliance waits for paperwork you have to dig up under pressure.

Two privacy and safety rules worth keeping: use a properly regulated provider (in the UK, one authorised by the FCA; elsewhere, the equivalent regulator), and never send funds to account details that arrived by email without confirming them through a separate, trusted channel. Conveyancing fraud, where criminals intercept and swap bank details at the last moment, is one of the few ways to lose an entire deposit in a single transfer.

How to choose a provider

Weigh four things. Regulation first, always; an authorised, safeguarded provider is non-negotiable for sums this size. Then the all-in rate, the only honest basis for comparison. Then the tools you need, particularly forward contracts if your completion is weeks away. And finally service, a named contact who understands property timelines is worth real money when funds have to land on a specific day.

Frequently Asked Questions

What's the cheapest way to transfer money to buy a house abroad?

Usually a regulated specialist currency broker rather than a high-street bank, because the broker's spread on large sums is tighter. Compare providers on the all-in amount that arrives, not on the advertised rate or the "no fee" claim.

How does a forward contract work for buying property?

You fix the exchange rate now for a transfer that completes later, paying a small deposit upfront and the balance on the settlement date. It locks your purchase cost in your home currency so the rate can't move against you before completion.

How much do banks really charge to convert currency?

There's often no visible fee, but banks typically add a margin of around two to four percent to the exchange rate. On a 400,000-unit transfer, a three percent spread is roughly 12,000 lost to the rate alone.

Will I be asked to prove where my money came from?

Yes. Regulated providers carry out source-of-funds checks on large transfers as standard anti-money-laundering practice. Prepare bank statements and documentation for the origin of the funds before you transfer.

Should I use a forward contract or just transfer on the day?

If your completion is weeks or months away and you want budget certainty, a forward contract protects you from adverse moves. If you're completing immediately and the rate is acceptable, a spot transfer is simpler.

Budgeting the full cost of buying abroad? JanusHermes covers the whole picture across 50+ countries, including the currency and financing side most listings ignore. See country guides and live cost analysis at janushermes.com.

This article is general information, not financial advice. Always use a regulated provider and confirm current rates and terms before transferring funds.