1: Download Bridge Wallet. 2: Create a new wallet, or restore an existing one. 3: Identify in Settings, My profile, Begin identification and follow the instructions. 4: Transfer the cryptocurrency that you would like to sell to your Bridge Wallet address. 5: Click the 'Sell' button and choose 'Sell by bank transfer'. 6: Choose GBP. 7: Enter your UK bank account coordinates. 8: Confirm. Your crypto will be converted in GBP upon reception, then transfered to your bank account.