Would it be safe to use this if you're transferring a very large amount of money, for example to buy a house in a foreign country? Anyone have experiences (good or bad) with large transfers they'd like to share?
Later: Appears they have lowered the threshold to £20000 now (see https://transferwise.com/help/articles/2961856/tips-for-gett...)
Saved > 35kEU in rates - the local bank FX rates were daylight robbery.
Concretely there should be no difference, but your spirit would be less impacted.
I did this when I first used TW many years ago, when I had no idea if the service was reliable and the transfers would take days.