The following are few popular options of money exchange transfer in UK.
1. Pre-paid currency cards: This card is similar to your debit/credit card, but is pre-loaded with GBP. It can be used anywhere and you can get the currency exchanged to another locally. Usually, pre-paid cards are issued to you with a PIN (like debit/credit card) for security reasons. Most often this card exists in 5-6 currencies. .
2. Overseas payment is another simple option wherein the money exchange can be done by registering online. This assists you in transacting on an international platform, across currencies..
3. Money order: Like pre-paid cards, money/payment order has the amount specified in advance. This is rather a reliable method of transacting/exchanging money as it already has the amount shown prior to the transaction..