We have put together a brief summary of what to expect if you join the 2015 Pension Scheme.
There are fundamental differences between the 2015 scheme and both the Modified scheme and the 2006 scheme.
You may have full protection in your current pension scheme (Modified or 2006 scheme), tapered protection or able to join the 2015 scheme immediately, this will depend on your age as at 01 April 2012.
The guide can be accessed here.