You can book a taxi via following methods:
Online: http://www.bgtaxis.com/
Telephone: +44 173 288 2020
Yes, it's possible to pre-book a taxi with Borough Green Taxis Station Cars Ltd, please contact the company.
Borough Green Taxis Station Cars Ltd has both regular and air-conditioned taxis, please mention your preference at the time of booking.
Please contact the company on their helpline number to make any changes.
Generally drivers will meet the passengers at the arrivals on airport pick ups but do check with the company.