From
http://www.rail-reg.gov.uk/server/show/nav.2026
Table 6.1b Average age of rolling stock by train operating company
Great Britain yearly data 2007-08 Q4 to 2009-10 Q4 (years)
Train operating company2007-08 Q42008-09 Q42009-10 Q4
Arriva Cross Country 9.35 10.60 11.60
Arriva Trains Wales 17.07 18.43 19.43
c2c 7.03 8.03 9.03
Chiltern Railways 12.88 13.88 14.88
East Coast 21.97 22.60 23.69
East Midlands Trains 16.92 17.22 18.22
First Capital Connect 21.96 22.78 23.76
First Great Western 24.24 26.70 23.76
First Scotrail 16.00 17.00 18.00
Gatwick Express 7.34 - -
Island Line 70.25 71.25 72.25
London Midland 13.69 12.45 11.92
London Overground 30.26 31.26 18.48
Merseyside 29.25 30.25 31.25
National Express East Anglia 23.12 24.12 24.95
Northern 19.05 20.03 21.03
Southeastern Trains 10.48 11.48 10.81
South West Trains 11.31 12.31 13.31
Southern 9.70 10.63 10.93
Trans Pennine Express 2.25 3.25 4.25
Virgin Trains 4.79 5.84 6.84
All 14.69 15.70 16.07
Notes:
1. Was National Express East Coast and GNER
2. Includes Gatwick Express from June 2008
L&SE average age has decreased following the introduction of the full class 395 fleet for services on HS1 and the new class 378s for London Overground services.