Currency: British Pound Sterling (£/GBP). 1 GBP ≈ 4.6 SAR / 13.3 AED (check current rates).
Cards: Contactless payment is accepted almost everywhere — Visa, Mastercard, Apple Pay, Google Pay. Many places are cashless.
ATMs: Widely available. Use bank-branded ATMs to avoid fees. Avoid currency conversion at ATMs — choose to be charged in GBP.
VAT refunds: Non-UK residents may be eligible for VAT refunds on purchases. Keep receipts and claim at the airport before departure.