How can you get to T3 at Heathrow
Official Heathrow Terminal 3 address is Compass Centre Nelson Rd, Longford, Hounslow TW6 1QG, Great Britain.

Trains to Heathrow terminal 3
The travellers can get to the Third Terminal by train. Heathrow Express is a direct train connecting Heathrow Airport and London. It runs every quarter of an hour any day.
Generally, the first train going to Heathrow’s Terminals 2 and 3 leaves Paddington at 04:57, while the last one strikes out at 23.27. You need approximately 30 minutes to get to the Airport by train, but the fastest journey takes only 21 minutes. If you plan everything properly beforehand you can avoid changing trains.
Tube to Heathrow terminal 3
Heathrow is also connected with the city by the London Underground. The trains depart from Piccadilly Circus Station. The first one starts at 05:47 on weekdays and at 03:43 at weekends. The last train to Heathrow leaves at 00:32 on Monday, Tuesday, Wednesday, and Thursday; at 03:33 on Friday and Saturday, and at 23:38 on Sunday.
The trains to Central London run from 05:12, except for Saturdays and Sundays, then they depart at 03:17 and till 23:45, but for Friday and Saturday, when they run till 03:07; on Sundays, they quit a bit earlier at 23:28.

Car and taxi to T3
You can always drive to Heathrow in a car or a taxi. The Terminal 3 is located not far from T2 in the centre of the airport’s territory, so you should exit the M4 highway at junction 4 or the M25 at junction 15. The road signs are provided for every driver convenience, so you’ll easily find your way. Besides, you can use the TW6 1QG postcode for navigation.
One more means of transport, able to bring you to LHR Terminal 3 is a bus. The Central Bus Station services local buses and long-distance coaches at Heathrow. It works 24 hours all the week round and is just in less than 10 minutes’ walk from the Third Terminal.
Car hire Heathrow terminal 3
In case you’ve planned to rent a car, your final formalities and paperwork can be completed at the car hire desks, which can be found on the left from the exit. A number of companies allow their customers to drive away right from the terminal, they are Alamo, Budget, Avis, Enterprise Europcar, National, and Hertz. However Dollar, Sixt, and Thrifty provide shuttle service to the point, where the travellers can get their vehicle.