Nick, It should be possible to have your income reviewed every year, although your provider might make a charge for doing so.
With regard to these damnably low rates, Gad is currently 4%, as high as it was throughout 2009. It has not gone beyond 5,25% in the last 5 years!
2006 4.00% 3.75% 4.00% 4.25% 4.25% 4.50% 4.50% 4.25% 4.50% 4.25% 4.50% 4.25%
2007 4.50% 4.50% 4.50% 4.50% 4.75% 4.75% 5.25% 5.25% 4.75% 4.75% 4.75% 4.50%
2008 4.75% 4.25% 4.50% 4.25% 4.50% 4.75% 5.00% 4.75% 4.50% 4.50% 4.75% 4.50%
2009 4.00% 3.75% 4.00% 3.25% 3.75% 4.00% 4.00% 4.00% 4.00% 3.75% 3.75% 4.00%
2010 4.25% 4.25% 4.50% 4.50% 4.25% 4.00% 4.00% 3.75% 3.50%