London Buses route T31 was a Transport for London contracted bus route in London, England. The T31 ran between Forestdale and New Addington, it was operated by Arriva London.
The route T31 commenced on 11 May 2000 and provided a daily service between New Addington and Addington Village via Vulcan Way, King Henrys Drive, Homestead Way, Overbury Crescent, Parkway, King Henrys Drive, Goldcrest Way, Headley Drive, Merrow Way, Fieldway and Lodge Lane. The route was operated by First Centrewest with Marshall Capital bodied Dennis Dart SLFs from their Orpington Garage (Y). By 20 May 2000 the route was extended from Addington Village to Forestdale.
On 12 May 2007, the route passed to Arriva London operating from their Croydon Garage (TC) with brand new Alexander Dennis Enviro200 Darts introduced.
On 10 May 2014, the route was retained by Arriva London.
On 24 October 2015, route T31 was withdrawn.
Route T31 operated via these primary locations:
- Addington Village Tramlink
- King Henry's Drive Tramlink
- New Addington Tramlink
- New Addington Milne Park East