At the end of this booking form you will be asked to make a payment for a single assessment in the sum of 69.00 GBP + VAT and if your site is inside of the London Congestion Charging Zone an additional fee of 30GBP will be added to your bill to cover the costs of the transportation. Any services, spare parts or parking will be charged on top of the single assessment fee at the end of your appointment, if applicable. All card payments are subject to a processing fee of 1.5% of the total amount payable.