You can apply under this transitional arrangement if you:
The above work permit category led to settlement in the UK and was abolished on 27 November 2008.
Under this transitional arrangement, you do not have to meet the English language or maintenance requirements.
You can apply for an extension for enough leave to take your total stay in the UK in an eligible category to five years.
If you have been in the UK in an eligible category for five years or more and you wish to extend your stay, you must apply under the full points-based system criteria. Alternatively, you may apply for settlement provided you meet the requirements that exist at the time you apply.