Book Cheap National Car Hire Deals in Harrow, London, United Kingdom

Before traveling, familiarize yourself with local driving laws and regulations. This can help you avoid fines and ensure a safe driving experience.

Select a pickup location that is convenient for you. Some rental companies offer locations within the airport for quick access, while others may require shuttle transportation.

When hiring a car, especially if you’re arriving in Harrow, London by flight, plan for extra time at pickup to accommodate any potential delays. Suppliers like National typically offer a grace period of 30-60 minutes. Providing your flight number can be helpful, but if you’re running late, be sure to call the supplier to inform them.

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

If you're traveling with pets, confirm the rental company's pet policy before booking. Some companies allow pets but may have specific fees or restrictions, so it’s best to clarify in advance.

Before you finalize your booking, see if the rental agency offers free cancellation. This can be helpful if your travel plans change unexpectedly.

Before driving away in Harrow, London, thoroughly inspect the car for any damage. Document any existing damage with photos or video to avoid disputes later on.

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.