Renting a car at Heathrow is fastest if you book before you land

You can rent a car at Heathrow from the rental desks in the arrivals hall, but booking in advance online costs less and saves you time when you land. Most major rental companies—Hertz, Avis, Enterprise, Budget, Europcar, and Sixt—have desks at every terminal. If you book ahead, you collect your car from the rental lot, sign the paperwork, and drive off. If you walk up without a reservation, you may wait 30 minutes to an hour, and the daily rate will be higher.

The rental lot is a short walk or shuttle ride from arrivals. Each terminal has its own pickup point, and the company will tell you exactly where when you book. You need a valid driving licence (UK, EU, or international), a credit card in your name, and proof of insurance or the option to buy it from the rental company. Most companies require you to be at least 21 years old, though some charge extra for drivers under 25.

Key Takeaways

  • Book your rental online before you arrive; prices are lower and you skip the queue at the desk.
  • You will need a valid driving licence, a credit card in your name, and proof of insurance or the option to buy it from the rental company.
  • Drivers under 25 usually pay a young driver surcharge, which can add £15 to £30 per day depending on the company.
  • The rental lot is within walking distance or a short shuttle ride from arrivals in every terminal.
  • Return the car with a full fuel tank to avoid a refuelling charge, which costs more than filling it yourself.

What documents and payment methods you need

Bring your driving licence—a UK, EU, or international licence is accepted. The rental company will check it matches your name and that you have held it for at least one year. If your licence is from outside the UK or EU, bring an International Driving Permit as well; this is not a separate licence but a translation document that some companies require.

You must provide a credit card in your own name at pickup. Debit cards are not accepted for the security deposit, though some companies allow you to pay the final bill with a debit card if you also show a credit card. The deposit is usually £200 to £500 and is released back to your card after you return the car undamaged. Bring proof of insurance—either a certificate from your own insurer stating you are covered for rental cars, or be prepared to buy the rental company's damage waiver (usually £10 to £20 per day).

How to book online and what prices typically include

Visit the rental company's website directly or use a comparison site like Kayak, Rentalcars.com, or Costco Travel if you are a member. Enter your arrival date, time, and terminal, then select your car type. Prices vary widely based on the season—summer and school holidays cost more than winter—and how far ahead you book. A small car for three days might cost £80 to £150 total in winter, or £200 to £400 in summer.

The base price usually includes unlimited mileage, third-party liability insurance (required by law), and a collision damage waiver that covers accidental damage to the car. It does not include fuel—you pay for that yourself—or extras like a sat-nav (GPS), child seats, or additional driver cover. Read the cancellation policy before you pay; most online bookings can be cancelled free up to 24 hours before pickup, but some budget companies charge a fee.

Young driver surcharges and insurance options

If you are under 25, expect to pay an extra charge per day, usually £15 to £30 depending on the company and car type. This is non-negotiable and applies even if you have held your licence for years. Some companies have a minimum age of 23 or 24 for certain car types, so check before you book.

Insurance is the biggest variable cost. Your own car insurance may cover rental cars in the UK—check your policy or call your insurer before you travel. If it does, bring a letter or certificate stating that. If not, the rental company's collision damage waiver costs £10 to £20 per day and covers accidental damage. Some credit cards (particularly premium travel cards) include rental car coverage; check your card's benefits guide. Decline the rental company's insurance only if you have cover elsewhere in writing.

Fuel, mileage, and return conditions

You collect the car with a full tank and must return it full. If you return it empty or partially empty, the company will refuel it and charge you per litre—usually 50% to 100% more than the petrol station price. Plan your route so you can fill up near Heathrow before you return the car; the Shell and Tesco petrol stations closest to the airport are on the A4 heading west.

Mileage is unlimited on most rentals, so you can drive as far as you need. Return the car to the same location and terminal where you picked it up, during the rental company's opening hours. If you return it late, you will be charged for an extra day. If you damage the car, report it to the rental company when ready—do not try to repair it yourself. Take photos of any existing damage before you drive away, and keep the damage report form they give you at pickup.

Driving in the UK after you leave Heathrow

You will drive on the left side of the road in the UK. If you are used to driving on the right, allow extra time to adjust, especially on motorways and roundabouts. The speed limit is 70 mph on motorways, 60 mph on dual carriageways, and 30 mph in built-up areas unless signs say otherwise. Seatbelts are compulsory for all passengers, and using a mobile phone while driving is illegal.

Parking in city centres and at train stations often requires a permit or payment at a machine. read the RingGo or PayByPhone app before you travel if you plan to park on street; both let you pay for parking by phone. Congestion charges explore in London (£15 per day, Monday to Friday, 7 am to 10 pm) and some other cities; the rental company will tell you if the car is registered for automatic payment or if you must pay yourself.

What to do if the rental company's desk is closed

Heathrow rental desks are open from early morning until late evening, but if you arrive outside those hours, you can still collect your car using the after-hours key collection service. You will have booked this when you reserved online. Go to the designated after-hours desk, show your booking confirmation and driving licence, and they will give you the car keys and parking space number. You will not sign paperwork until you return the car the next day.

If you have booked with a company that does not offer after-hours collection, you may need to wait until the desk opens or rebook with a different company. This is why booking in advance is important—you can choose a company with 24-hour service if you are arriving outside normal hours.

Frequently Asked Questions

Can I rent a car if I have only held my UK licence for less than a year?

No. All rental companies require you to have held your driving licence for at least one year. If you have only recently passed your test, you will not be able to rent from Heathrow. Some companies extend this to two years for drivers under 25.

What happens if I return the car with damage I did not report?

The rental company will charge you for the repair. If the damage is minor (small dents or scratches), they may not charge you if it is within the excess on your damage waiver. If it is major, you will pay the full repair cost, which can be hundreds of pounds. Always report damage when ready and keep the damage report form.

Do I have to buy the rental company's insurance?

No, but you must have insurance cover from somewhere. Check your own car insurance policy, your credit card benefits, or a travel insurance policy before you arrive. If none of those cover rental cars, buy the rental company's damage waiver. Driving without insurance is illegal in the UK.

Can I add another driver after I have booked?

Yes, but tell the rental company before you arrive. Additional drivers usually cost £5 to £15 per day and must meet the same age and licence requirements as the main driver. You can add them online or by calling the company before your pickup date.

What if I need to keep the car longer than I booked?

Call the rental company as soon as you know. If the car is available, they will extend your booking and charge you for the extra days. If it is not available, you may have to return it on time and book a different car. Extending online or by phone is usually cheaper than paying the late return fee.