Book Cheap Sixt Car Rental Deals in Hammersmith and Fulham, London, United Kingdom

Most car rental companies will ask for a credit card deposit, which is usually held temporarily. Inquire about the specific deposit amount and the process for releasing it once the rental is complete.

If you're looking for extra comfort or features, ask about upgrade options at the rental counter. Often, discounted upgrades are available at pickup.

Ensure that you have a valid driving licence with at least one year of driving experience. If you are a foreign driver travelling to London, an international driving permit may be required. Remember, hire rates can be higher for drivers under 25 or over 70

Before you book, review the rental agreement for any hidden fees, such as airport surcharges, additional driver costs, or penalties for late returns. Awareness helps in budgeting appropriately.

If you plan to drive off-road, confirm with the rental agency whether it's permitted. Not all vehicles are suited for off-road conditions.

Some companies may provide a complimentary tank of fuel with your rental. Understand the conditions, such as how much fuel you need to return with to avoid fees.

Before departing, check the interior of the rental car for cleanliness and any functional issues. Ensure equipment like the radio and air conditioning works properly.

Check if the rental company provides extras such as GPS devices or child seats. These can enhance your experience but may come with added fees, so plan accordingly.